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 0.1.24-673a906-m [2019-10-03 02:51:31,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:51:31,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:51:31,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:51:31,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:51:31,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:51:31,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:51:31,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:51:31,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:51:31,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:51:31,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:51:31,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:51:31,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:51:31,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:51:31,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:51:31,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:51:31,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:51:31,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:51:31,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:51:31,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:51:31,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:51:31,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:51:31,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:51:31,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:51:31,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:51:31,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:51:31,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:51:31,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:51:31,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:51:31,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:51:31,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:51:31,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:51:31,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:51:31,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:51:31,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:51:31,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:51:31,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:51:31,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:51:31,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:51:31,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:51:31,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:51:31,235 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 [2019-10-03 02:51:31,271 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:51:31,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:51:31,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:51:31,272 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:51:31,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:51:31,276 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:51:31,277 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:51:31,277 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:51:31,277 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:51:31,277 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:51:31,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:51:31,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:51:31,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:51:31,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:51:31,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:51:31,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:51:31,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:51:31,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:51:31,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:51:31,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:51:31,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:51:31,282 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:51:31,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:51:31,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:51:31,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:51:31,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:51:31,284 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:51:31,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:51:31,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:51:31,284 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:51:31,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:51:31,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:51:31,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:51:31,352 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:51:31,352 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:51:31,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-10-03 02:51:31,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abe1e9f28/095561654cbb4654bc9923bc6173b075/FLAG807d568c2 [2019-10-03 02:51:32,027 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:51:32,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-10-03 02:51:32,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abe1e9f28/095561654cbb4654bc9923bc6173b075/FLAG807d568c2 [2019-10-03 02:51:32,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abe1e9f28/095561654cbb4654bc9923bc6173b075 [2019-10-03 02:51:32,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:51:32,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:51:32,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:32,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:51:32,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:51:32,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:32" (1/1) ... [2019-10-03 02:51:32,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4ad038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:32, skipping insertion in model container [2019-10-03 02:51:32,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:32" (1/1) ... [2019-10-03 02:51:32,235 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:51:32,334 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:51:33,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:33,175 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:51:33,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:33,541 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:51:33,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:33 WrapperNode [2019-10-03 02:51:33,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:33,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:51:33,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:51:33,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:51:33,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:33" (1/1) ... [2019-10-03 02:51:33,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:33" (1/1) ... [2019-10-03 02:51:33,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:33" (1/1) ... [2019-10-03 02:51:33,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:33" (1/1) ... [2019-10-03 02:51:33,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:33" (1/1) ... [2019-10-03 02:51:33,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:33" (1/1) ... [2019-10-03 02:51:33,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:33" (1/1) ... [2019-10-03 02:51:33,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:51:33,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:51:33,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:51:33,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:51:33,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:33" (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 [2019-10-03 02:51:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:51:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:51:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:51:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-03 02:51:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-03 02:51:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:51:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:51:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:51:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:51:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:51:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:51:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:51:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:51:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:33,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:51:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:51:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:51:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:51:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:51:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:51:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:51:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:51:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:51:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:51:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:51:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:51:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:51:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:51:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:51:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:51:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:51:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:51:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:51:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:51:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:51:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:51:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:51:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:51:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:51:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:51:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:51:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:51:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:51:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:51:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:51:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:51:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:51:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:51:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:51:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:51:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:51:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:51:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:51:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:51:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:51:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:51:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:51:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:51:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:51:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:51:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:51:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:51:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:51:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:51:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:51:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:51:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:51:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:51:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:51:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:51:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:51:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:51:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:51:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:51:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:51:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:51:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:51:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:51:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:51:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:51:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:51:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:51:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:51:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:51:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:51:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:51:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:51:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:51:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:51:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:51:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:51:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:51:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:51:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:51:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:51:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:51:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:51:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:51:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:51:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:51:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:51:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:51:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:51:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:51:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:51:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:51:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:51:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:51:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:51:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:51:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:51:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:51:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:51:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:51:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:51:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:51:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:51:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:51:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:51:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:51:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:51:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:51:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:51:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:51:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:51:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:51:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:51:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:51:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-03 02:51:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-03 02:51:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:51:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:51:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:51:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:51:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:51:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:51:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:51:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:51:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:51:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:51:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:51:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:51:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:51:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:51:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:51:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:51:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:51:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:51:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:51:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:51:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:51:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:51:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:51:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:51:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:51:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:51:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:51:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:51:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:51:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:51:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:51:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:51:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:51:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:51:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:51:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:51:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:51:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:51:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:51:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:51:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:51:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:51:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:51:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:51:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:51:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:51:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:51:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:51:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:51:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:51:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:51:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:51:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:51:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:51:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:51:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:51:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:51:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:51:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:51:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:51:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:51:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:51:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:51:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:51:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:51:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:51:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:51:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:51:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:51:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:51:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:51:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:51:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:51:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:51:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:51:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:51:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:51:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:51:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:51:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:51:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:51:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:51:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:51:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:51:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:51:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:51:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:51:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:51:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:51:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:51:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:51:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:51:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:51:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:51:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:51:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:51:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:51:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:51:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:51:33,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:51:33,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:51:33,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:51:36,226 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:51:36,227 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:51:36,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:36 BoogieIcfgContainer [2019-10-03 02:51:36,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:51:36,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:51:36,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:51:36,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:51:36,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:51:32" (1/3) ... [2019-10-03 02:51:36,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f1fccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:36, skipping insertion in model container [2019-10-03 02:51:36,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:33" (2/3) ... [2019-10-03 02:51:36,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f1fccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:36, skipping insertion in model container [2019-10-03 02:51:36,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:36" (3/3) ... [2019-10-03 02:51:36,240 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product30.cil.c [2019-10-03 02:51:36,251 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:51:36,265 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:51:36,285 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:51:36,315 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:51:36,316 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:51:36,316 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:51:36,316 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:51:36,316 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:51:36,316 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:51:36,320 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:51:36,320 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:51:36,357 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states. [2019-10-03 02:51:36,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-03 02:51:36,381 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:36,382 INFO L411 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] [2019-10-03 02:51:36,385 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:36,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:36,391 INFO L82 PathProgramCache]: Analyzing trace with hash -928970746, now seen corresponding path program 1 times [2019-10-03 02:51:36,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:36,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:36,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:36,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:36,451 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:37,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:37,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:51:37,011 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:37,018 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:37,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:37,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:37,035 INFO L87 Difference]: Start difference. First operand 544 states. Second operand 2 states. [2019-10-03 02:51:37,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:37,090 INFO L93 Difference]: Finished difference Result 502 states and 666 transitions. [2019-10-03 02:51:37,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:37,094 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-10-03 02:51:37,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:37,116 INFO L225 Difference]: With dead ends: 502 [2019-10-03 02:51:37,116 INFO L226 Difference]: Without dead ends: 493 [2019-10-03 02:51:37,118 INFO L640 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 [2019-10-03 02:51:37,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2019-10-03 02:51:37,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2019-10-03 02:51:37,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-10-03 02:51:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 655 transitions. [2019-10-03 02:51:37,208 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 655 transitions. Word has length 158 [2019-10-03 02:51:37,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:37,211 INFO L475 AbstractCegarLoop]: Abstraction has 493 states and 655 transitions. [2019-10-03 02:51:37,211 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 655 transitions. [2019-10-03 02:51:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-03 02:51:37,218 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:37,218 INFO L411 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] [2019-10-03 02:51:37,219 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:37,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:37,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1108945686, now seen corresponding path program 1 times [2019-10-03 02:51:37,220 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:37,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:37,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:37,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:37,226 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:37,486 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:37,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:37,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:37,487 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:37,489 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:37,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:37,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:37,490 INFO L87 Difference]: Start difference. First operand 493 states and 655 transitions. Second operand 3 states. [2019-10-03 02:51:37,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:37,531 INFO L93 Difference]: Finished difference Result 496 states and 658 transitions. [2019-10-03 02:51:37,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:37,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-03 02:51:37,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:37,536 INFO L225 Difference]: With dead ends: 496 [2019-10-03 02:51:37,536 INFO L226 Difference]: Without dead ends: 496 [2019-10-03 02:51:37,537 INFO L640 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 [2019-10-03 02:51:37,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2019-10-03 02:51:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 495. [2019-10-03 02:51:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2019-10-03 02:51:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 657 transitions. [2019-10-03 02:51:37,587 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 657 transitions. Word has length 159 [2019-10-03 02:51:37,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:37,588 INFO L475 AbstractCegarLoop]: Abstraction has 495 states and 657 transitions. [2019-10-03 02:51:37,588 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 657 transitions. [2019-10-03 02:51:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-03 02:51:37,594 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:37,594 INFO L411 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] [2019-10-03 02:51:37,595 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:37,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:37,598 INFO L82 PathProgramCache]: Analyzing trace with hash -224355654, now seen corresponding path program 1 times [2019-10-03 02:51:37,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:37,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:37,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:37,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:37,603 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:37,865 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:37,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:37,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:37,868 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:37,870 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:37,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:37,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:37,874 INFO L87 Difference]: Start difference. First operand 495 states and 657 transitions. Second operand 3 states. [2019-10-03 02:51:37,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:37,916 INFO L93 Difference]: Finished difference Result 536 states and 727 transitions. [2019-10-03 02:51:37,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:37,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-10-03 02:51:37,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:37,925 INFO L225 Difference]: With dead ends: 536 [2019-10-03 02:51:37,925 INFO L226 Difference]: Without dead ends: 536 [2019-10-03 02:51:37,926 INFO L640 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 [2019-10-03 02:51:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-10-03 02:51:37,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 535. [2019-10-03 02:51:37,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2019-10-03 02:51:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 726 transitions. [2019-10-03 02:51:37,986 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 726 transitions. Word has length 169 [2019-10-03 02:51:37,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:37,989 INFO L475 AbstractCegarLoop]: Abstraction has 535 states and 726 transitions. [2019-10-03 02:51:37,989 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 726 transitions. [2019-10-03 02:51:38,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-03 02:51:38,000 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:38,000 INFO L411 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] [2019-10-03 02:51:38,001 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:38,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:38,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1274478536, now seen corresponding path program 1 times [2019-10-03 02:51:38,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:38,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:38,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:38,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:38,009 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:38,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:38,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:38,375 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:38,376 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:38,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:38,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:38,380 INFO L87 Difference]: Start difference. First operand 535 states and 726 transitions. Second operand 3 states. [2019-10-03 02:51:38,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:38,426 INFO L93 Difference]: Finished difference Result 613 states and 859 transitions. [2019-10-03 02:51:38,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:38,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-03 02:51:38,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:38,436 INFO L225 Difference]: With dead ends: 613 [2019-10-03 02:51:38,436 INFO L226 Difference]: Without dead ends: 613 [2019-10-03 02:51:38,437 INFO L640 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 [2019-10-03 02:51:38,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2019-10-03 02:51:38,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 612. [2019-10-03 02:51:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2019-10-03 02:51:38,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 858 transitions. [2019-10-03 02:51:38,473 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 858 transitions. Word has length 170 [2019-10-03 02:51:38,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:38,473 INFO L475 AbstractCegarLoop]: Abstraction has 612 states and 858 transitions. [2019-10-03 02:51:38,474 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:38,474 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 858 transitions. [2019-10-03 02:51:38,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-03 02:51:38,478 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:38,479 INFO L411 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] [2019-10-03 02:51:38,479 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:38,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:38,479 INFO L82 PathProgramCache]: Analyzing trace with hash 124962842, now seen corresponding path program 1 times [2019-10-03 02:51:38,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:38,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:38,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:38,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:38,487 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:38,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:38,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:38,704 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:38,704 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:38,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:38,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:38,705 INFO L87 Difference]: Start difference. First operand 612 states and 858 transitions. Second operand 3 states. [2019-10-03 02:51:38,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:38,731 INFO L93 Difference]: Finished difference Result 761 states and 1111 transitions. [2019-10-03 02:51:38,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:38,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-03 02:51:38,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:38,739 INFO L225 Difference]: With dead ends: 761 [2019-10-03 02:51:38,740 INFO L226 Difference]: Without dead ends: 761 [2019-10-03 02:51:38,740 INFO L640 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 [2019-10-03 02:51:38,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2019-10-03 02:51:38,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 760. [2019-10-03 02:51:38,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2019-10-03 02:51:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1110 transitions. [2019-10-03 02:51:38,773 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1110 transitions. Word has length 171 [2019-10-03 02:51:38,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:38,774 INFO L475 AbstractCegarLoop]: Abstraction has 760 states and 1110 transitions. [2019-10-03 02:51:38,774 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1110 transitions. [2019-10-03 02:51:38,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-03 02:51:38,780 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:38,780 INFO L411 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] [2019-10-03 02:51:38,781 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:38,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:38,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1376144088, now seen corresponding path program 1 times [2019-10-03 02:51:38,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:38,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:38,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:38,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:38,787 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:38,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:38,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:38,958 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:38,959 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:38,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:38,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:38,960 INFO L87 Difference]: Start difference. First operand 760 states and 1110 transitions. Second operand 3 states. [2019-10-03 02:51:38,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:38,983 INFO L93 Difference]: Finished difference Result 1045 states and 1591 transitions. [2019-10-03 02:51:38,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:38,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-03 02:51:38,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:38,991 INFO L225 Difference]: With dead ends: 1045 [2019-10-03 02:51:38,992 INFO L226 Difference]: Without dead ends: 1045 [2019-10-03 02:51:38,992 INFO L640 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 [2019-10-03 02:51:38,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2019-10-03 02:51:39,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1044. [2019-10-03 02:51:39,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2019-10-03 02:51:39,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1590 transitions. [2019-10-03 02:51:39,032 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1590 transitions. Word has length 172 [2019-10-03 02:51:39,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:39,033 INFO L475 AbstractCegarLoop]: Abstraction has 1044 states and 1590 transitions. [2019-10-03 02:51:39,033 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:39,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1590 transitions. [2019-10-03 02:51:39,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 02:51:39,041 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:39,041 INFO L411 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] [2019-10-03 02:51:39,041 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:39,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:39,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1552369098, now seen corresponding path program 1 times [2019-10-03 02:51:39,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:39,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:39,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:39,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:39,048 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:40,945 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-03 02:51:40,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:40,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2019-10-03 02:51:40,945 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:40,946 INFO L454 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-10-03 02:51:40,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-10-03 02:51:40,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1717, Unknown=0, NotChecked=0, Total=1806 [2019-10-03 02:51:40,948 INFO L87 Difference]: Start difference. First operand 1044 states and 1590 transitions. Second operand 43 states. [2019-10-03 02:52:17,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:17,875 INFO L93 Difference]: Finished difference Result 7725 states and 11886 transitions. [2019-10-03 02:52:17,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2019-10-03 02:52:17,876 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 175 [2019-10-03 02:52:17,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:17,932 INFO L225 Difference]: With dead ends: 7725 [2019-10-03 02:52:17,933 INFO L226 Difference]: Without dead ends: 7356 [2019-10-03 02:52:17,950 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17671 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=2814, Invalid=49856, Unknown=0, NotChecked=0, Total=52670 [2019-10-03 02:52:17,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7356 states. [2019-10-03 02:52:18,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7356 to 7096. [2019-10-03 02:52:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7096 states. [2019-10-03 02:52:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7096 states to 7096 states and 11041 transitions. [2019-10-03 02:52:18,247 INFO L78 Accepts]: Start accepts. Automaton has 7096 states and 11041 transitions. Word has length 175 [2019-10-03 02:52:18,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:18,247 INFO L475 AbstractCegarLoop]: Abstraction has 7096 states and 11041 transitions. [2019-10-03 02:52:18,247 INFO L476 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-10-03 02:52:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 7096 states and 11041 transitions. [2019-10-03 02:52:18,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 02:52:18,278 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:18,278 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 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] [2019-10-03 02:52:18,279 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:18,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:18,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1334273833, now seen corresponding path program 1 times [2019-10-03 02:52:18,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:18,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:18,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:18,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:18,286 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:52:18,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:18,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:18,566 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:18,567 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:18,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:18,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:18,568 INFO L87 Difference]: Start difference. First operand 7096 states and 11041 transitions. Second operand 3 states. [2019-10-03 02:52:18,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:18,640 INFO L93 Difference]: Finished difference Result 10366 states and 16823 transitions. [2019-10-03 02:52:18,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:18,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-10-03 02:52:18,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:18,705 INFO L225 Difference]: With dead ends: 10366 [2019-10-03 02:52:18,705 INFO L226 Difference]: Without dead ends: 10366 [2019-10-03 02:52:18,706 INFO L640 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 [2019-10-03 02:52:18,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10366 states. [2019-10-03 02:52:19,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10366 to 10360. [2019-10-03 02:52:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10360 states. [2019-10-03 02:52:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10360 states to 10360 states and 16817 transitions. [2019-10-03 02:52:19,118 INFO L78 Accepts]: Start accepts. Automaton has 10360 states and 16817 transitions. Word has length 175 [2019-10-03 02:52:19,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:19,118 INFO L475 AbstractCegarLoop]: Abstraction has 10360 states and 16817 transitions. [2019-10-03 02:52:19,118 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:19,119 INFO L276 IsEmpty]: Start isEmpty. Operand 10360 states and 16817 transitions. [2019-10-03 02:52:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-03 02:52:19,176 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:19,176 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 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, 1, 1, 1] [2019-10-03 02:52:19,177 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:19,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:19,177 INFO L82 PathProgramCache]: Analyzing trace with hash 987157089, now seen corresponding path program 1 times [2019-10-03 02:52:19,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:19,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:19,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:19,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:19,185 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:19,458 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:52:19,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:19,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-03 02:52:19,459 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:19,459 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-03 02:52:19,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-03 02:52:19,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-03 02:52:19,460 INFO L87 Difference]: Start difference. First operand 10360 states and 16817 transitions. Second operand 11 states. [2019-10-03 02:52:19,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:19,972 INFO L93 Difference]: Finished difference Result 10532 states and 17063 transitions. [2019-10-03 02:52:19,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-03 02:52:19,973 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 178 [2019-10-03 02:52:19,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:20,048 INFO L225 Difference]: With dead ends: 10532 [2019-10-03 02:52:20,048 INFO L226 Difference]: Without dead ends: 10484 [2019-10-03 02:52:20,049 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:52:20,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10484 states. [2019-10-03 02:52:20,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10484 to 10482. [2019-10-03 02:52:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10482 states. [2019-10-03 02:52:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10482 states to 10482 states and 17013 transitions. [2019-10-03 02:52:20,381 INFO L78 Accepts]: Start accepts. Automaton has 10482 states and 17013 transitions. Word has length 178 [2019-10-03 02:52:20,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:20,382 INFO L475 AbstractCegarLoop]: Abstraction has 10482 states and 17013 transitions. [2019-10-03 02:52:20,382 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-03 02:52:20,382 INFO L276 IsEmpty]: Start isEmpty. Operand 10482 states and 17013 transitions. [2019-10-03 02:52:20,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-03 02:52:20,429 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:20,429 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 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, 1, 1, 1] [2019-10-03 02:52:20,430 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:20,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:20,430 INFO L82 PathProgramCache]: Analyzing trace with hash -461828534, now seen corresponding path program 1 times [2019-10-03 02:52:20,430 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:20,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:20,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:20,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:20,435 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:52:20,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:20,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:52:20,593 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:20,593 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:52:20,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:52:20,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:52:20,594 INFO L87 Difference]: Start difference. First operand 10482 states and 17013 transitions. Second operand 5 states. [2019-10-03 02:52:21,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:21,824 INFO L93 Difference]: Finished difference Result 18264 states and 29410 transitions. [2019-10-03 02:52:21,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:52:21,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 178 [2019-10-03 02:52:21,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:21,904 INFO L225 Difference]: With dead ends: 18264 [2019-10-03 02:52:21,904 INFO L226 Difference]: Without dead ends: 18264 [2019-10-03 02:52:21,905 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:52:21,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18264 states. [2019-10-03 02:52:22,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18264 to 18106. [2019-10-03 02:52:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18106 states. [2019-10-03 02:52:22,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18106 states to 18106 states and 29188 transitions. [2019-10-03 02:52:22,477 INFO L78 Accepts]: Start accepts. Automaton has 18106 states and 29188 transitions. Word has length 178 [2019-10-03 02:52:22,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:22,477 INFO L475 AbstractCegarLoop]: Abstraction has 18106 states and 29188 transitions. [2019-10-03 02:52:22,477 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:52:22,477 INFO L276 IsEmpty]: Start isEmpty. Operand 18106 states and 29188 transitions. [2019-10-03 02:52:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-03 02:52:22,545 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:22,545 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 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, 1, 1, 1] [2019-10-03 02:52:22,545 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:22,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:22,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1823034921, now seen corresponding path program 1 times [2019-10-03 02:52:22,546 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:22,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:22,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:22,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:22,555 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-03 02:52:23,011 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:52:23,011 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:52:23,013 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2019-10-03 02:52:23,015 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], [712], [715], [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], [1293], [1297], [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] [2019-10-03 02:52:23,070 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:52:23,070 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:52:23,221 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:52:23,223 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. [2019-10-03 02:52:23,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:23,227 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:52:23,290 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:52:23,290 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:52:23,296 INFO L420 sIntCurrentIteration]: We unified 177 AI predicates to 177 [2019-10-03 02:52:23,296 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:52:23,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:52:23,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-10-03 02:52:23,297 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:23,298 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:23,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:23,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:23,299 INFO L87 Difference]: Start difference. First operand 18106 states and 29188 transitions. Second operand 2 states. [2019-10-03 02:52:23,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:23,300 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:52:23,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:23,300 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 178 [2019-10-03 02:52:23,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:23,300 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:52:23,300 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:52:23,301 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:23,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:52:23,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:52:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:52:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:52:23,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2019-10-03 02:52:23,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:23,302 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:52:23,302 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:52:23,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:52:23,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:52:23 BoogieIcfgContainer [2019-10-03 02:52:23,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:52:23,311 INFO L168 Benchmark]: Toolchain (without parser) took 51095.73 ms. Allocated memory was 137.9 MB in the beginning and 763.4 MB in the end (delta: 625.5 MB). Free memory was 82.9 MB in the beginning and 129.8 MB in the end (delta: -46.8 MB). Peak memory consumption was 578.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:23,312 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:52:23,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1324.35 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 82.9 MB in the beginning and 130.4 MB in the end (delta: -47.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:23,314 INFO L168 Benchmark]: Boogie Preprocessor took 215.24 ms. Allocated memory is still 198.2 MB. Free memory was 130.4 MB in the beginning and 121.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:23,315 INFO L168 Benchmark]: RCFGBuilder took 2471.64 ms. Allocated memory was 198.2 MB in the beginning and 275.3 MB in the end (delta: 77.1 MB). Free memory was 121.4 MB in the beginning and 167.8 MB in the end (delta: -46.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:23,316 INFO L168 Benchmark]: TraceAbstraction took 47076.58 ms. Allocated memory was 275.3 MB in the beginning and 763.4 MB in the end (delta: 488.1 MB). Free memory was 167.8 MB in the beginning and 129.8 MB in the end (delta: 38.0 MB). Peak memory consumption was 526.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:23,320 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1324.35 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 82.9 MB in the beginning and 130.4 MB in the end (delta: -47.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 215.24 ms. Allocated memory is still 198.2 MB. Free memory was 130.4 MB in the beginning and 121.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2471.64 ms. Allocated memory was 198.2 MB in the beginning and 275.3 MB in the end (delta: 77.1 MB). Free memory was 121.4 MB in the beginning and 167.8 MB in the end (delta: -46.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 47076.58 ms. Allocated memory was 275.3 MB in the beginning and 763.4 MB in the end (delta: 488.1 MB). Free memory was 167.8 MB in the beginning and 129.8 MB in the end (delta: 38.0 MB). Peak memory consumption was 526.2 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, 47.0s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 39.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8186 SDtfs, 11991 SDslu, 65376 SDs, 0 SdLazy, 23940 SolverSat, 6138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 488 GetRequests, 231 SyntacticMatches, 1 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17696 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18106occurred in iteration=10, 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, 2.214689265536723 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 431 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1883 NumberOfCodeBlocks, 1883 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1872 ConstructedInterpolants, 0 QuantifiedInterpolants, 477566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 323/326 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...