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_spec27_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:40:43,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:40:43,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:40:43,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:40:43,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:40:43,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:40:43,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:40:43,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:40:43,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:40:43,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:40:43,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:40:43,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:40:43,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:40:43,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:40:43,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:40:43,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:40:43,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:40:43,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:40:43,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:40:43,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:40:43,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:40:43,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:40:43,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:40:43,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:40:43,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:40:43,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:40:43,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:40:43,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:40:43,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:40:43,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:40:43,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:40:43,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:40:43,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:40:43,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:40:43,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:40:43,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:40:43,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:40:43,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:40:43,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:40:43,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:40:43,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:40:43,431 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:40:43,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:40:43,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:40:43,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:40:43,446 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:40:43,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:40:43,447 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:40:43,447 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:40:43,447 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:40:43,447 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:40:43,448 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:40:43,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:40:43,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:40:43,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:40:43,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:40:43,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:40:43,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:40:43,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:40:43,450 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:40:43,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:40:43,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:40:43,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:40:43,451 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:40:43,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:40:43,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:40:43,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:40:43,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:40:43,452 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:40:43,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:40:43,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:40:43,452 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:40:43,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:40:43,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:40:43,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:40:43,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:40:43,500 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:40:43,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product33.cil.c [2019-09-10 02:40:43,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa76c2922/32723128cc734c46a6247cce6a87c8bb/FLAG0ea1978f4 [2019-09-10 02:40:44,157 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:40:44,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product33.cil.c [2019-09-10 02:40:44,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa76c2922/32723128cc734c46a6247cce6a87c8bb/FLAG0ea1978f4 [2019-09-10 02:40:44,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa76c2922/32723128cc734c46a6247cce6a87c8bb [2019-09-10 02:40:44,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:40:44,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:40:44,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:44,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:40:44,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:40:44,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:44" (1/1) ... [2019-09-10 02:40:44,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2239701f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:44, skipping insertion in model container [2019-09-10 02:40:44,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:44" (1/1) ... [2019-09-10 02:40:44,435 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:40:44,524 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:40:45,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:45,249 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:40:45,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:45,503 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:40:45,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:45 WrapperNode [2019-09-10 02:40:45,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:45,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:40:45,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:40:45,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:40:45,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:45" (1/1) ... [2019-09-10 02:40:45,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:45" (1/1) ... [2019-09-10 02:40:45,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:45" (1/1) ... [2019-09-10 02:40:45,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:45" (1/1) ... [2019-09-10 02:40:45,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:45" (1/1) ... [2019-09-10 02:40:45,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:45" (1/1) ... [2019-09-10 02:40:45,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:45" (1/1) ... [2019-09-10 02:40:45,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:40:45,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:40:45,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:40:45,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:40:45,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:40:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:40:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:40:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:40:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:40:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:40:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:40:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:40:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:40:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:40:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:40:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:40:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:40:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:40:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:40:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:40:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:40:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:40:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:40:45,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:40:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:40:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:40:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:40:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:40:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:40:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:40:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:40:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:40:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-09-10 02:40:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:40:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:40:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:40:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:40:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:40:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:40:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:40:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-09-10 02:40:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:40:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:40:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:40:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:40:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:40:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:40:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:40:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:40:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:40:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:40:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:40:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:40:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:40:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:40:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:40:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:40:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:40:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:40:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:40:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:40:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:40:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:40:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:40:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:40:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:40:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:40:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:40:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:40:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:40:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:40:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:40:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:40:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:40:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:40:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:40:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:40:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:40:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:40:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:40:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:40:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:40:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:40:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:40:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:40:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:40:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:40:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:40:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:40:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:40:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:40:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:40:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:40:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:40:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:40:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:40:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:40:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:40:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:40:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:40:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-10 02:40:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:40:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:40:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:40:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:40:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:40:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:40:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:40:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:40:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:40:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:40:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:40:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:40:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:40:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:40:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:40:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:40:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:40:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:40:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:40:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:40:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:40:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:40:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:40:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:40:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:40:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:40:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:40:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:40:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:40:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:40:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:40:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:40:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:40:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:40:45,849 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:40:45,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:40:45,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:40:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:40:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:40:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:40:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:40:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:40:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:40:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:40:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:40:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:40:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:40:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:40:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:40:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:40:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:40:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:40:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:40:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:40:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:40:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:40:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:40:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:40:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:40:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:40:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:40:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:40:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:40:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:40:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:40:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:40:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:40:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:40:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:40:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:40:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:40:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:40:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:40:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:40:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:40:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:40:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:40:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:40:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:40:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:40:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:40:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:40:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:40:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:40:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:40:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:40:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:40:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:40:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-09-10 02:40:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:40:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:40:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:40:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-09-10 02:40:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:40:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:40:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:40:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:40:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:40:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:40:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:40:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:40:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:40:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:40:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:40:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:40:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:40:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:40:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:40:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:40:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:40:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:40:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:40:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:40:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:40:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:40:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:40:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:40:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:40:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:40:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:40:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:40:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:40:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:40:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:40:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:40:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:40:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:40:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:40:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:40:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:40:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:40:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:40:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:40:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:40:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:40:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:40:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-10 02:40:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:40:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:40:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:40:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:40:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:40:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:40:48,097 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:40:48,097 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:40:48,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:48 BoogieIcfgContainer [2019-09-10 02:40:48,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:40:48,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:40:48,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:40:48,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:40:48,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:40:44" (1/3) ... [2019-09-10 02:40:48,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fdb7c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:48, skipping insertion in model container [2019-09-10 02:40:48,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:45" (2/3) ... [2019-09-10 02:40:48,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fdb7c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:48, skipping insertion in model container [2019-09-10 02:40:48,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:48" (3/3) ... [2019-09-10 02:40:48,108 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product33.cil.c [2019-09-10 02:40:48,120 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:40:48,134 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:40:48,156 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:40:48,190 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:40:48,190 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:40:48,190 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:40:48,190 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:40:48,194 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:40:48,194 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:40:48,194 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:40:48,194 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:40:48,234 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states. [2019-09-10 02:40:48,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-09-10 02:40:48,277 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:48,283 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:48,286 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:48,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:48,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1585064684, now seen corresponding path program 1 times [2019-09-10 02:40:48,295 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:48,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:48,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:48,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:48,353 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:40:49,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:49,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:40:49,089 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:49,096 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:49,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:49,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:49,117 INFO L87 Difference]: Start difference. First operand 592 states. Second operand 2 states. [2019-09-10 02:40:49,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:49,177 INFO L93 Difference]: Finished difference Result 578 states and 763 transitions. [2019-09-10 02:40:49,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:49,180 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 213 [2019-09-10 02:40:49,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:49,205 INFO L225 Difference]: With dead ends: 578 [2019-09-10 02:40:49,206 INFO L226 Difference]: Without dead ends: 569 [2019-09-10 02:40:49,208 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:49,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2019-09-10 02:40:49,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2019-09-10 02:40:49,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2019-09-10 02:40:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 752 transitions. [2019-09-10 02:40:49,307 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 752 transitions. Word has length 213 [2019-09-10 02:40:49,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:49,310 INFO L475 AbstractCegarLoop]: Abstraction has 569 states and 752 transitions. [2019-09-10 02:40:49,310 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 752 transitions. [2019-09-10 02:40:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-09-10 02:40:49,322 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:49,322 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:49,324 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:49,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:49,326 INFO L82 PathProgramCache]: Analyzing trace with hash -871145054, now seen corresponding path program 1 times [2019-09-10 02:40:49,326 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:49,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:49,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:49,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:49,329 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:40:49,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:49,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:49,696 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:49,698 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:49,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:49,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:49,699 INFO L87 Difference]: Start difference. First operand 569 states and 752 transitions. Second operand 3 states. [2019-09-10 02:40:49,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:49,741 INFO L93 Difference]: Finished difference Result 572 states and 755 transitions. [2019-09-10 02:40:49,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:49,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-09-10 02:40:49,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:49,749 INFO L225 Difference]: With dead ends: 572 [2019-09-10 02:40:49,749 INFO L226 Difference]: Without dead ends: 572 [2019-09-10 02:40:49,750 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:49,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-09-10 02:40:49,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 571. [2019-09-10 02:40:49,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2019-09-10 02:40:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 754 transitions. [2019-09-10 02:40:49,798 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 754 transitions. Word has length 214 [2019-09-10 02:40:49,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:49,799 INFO L475 AbstractCegarLoop]: Abstraction has 571 states and 754 transitions. [2019-09-10 02:40:49,799 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:49,799 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 754 transitions. [2019-09-10 02:40:49,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-09-10 02:40:49,805 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:49,805 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:49,806 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:49,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:49,806 INFO L82 PathProgramCache]: Analyzing trace with hash 169428497, now seen corresponding path program 1 times [2019-09-10 02:40:49,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:49,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:49,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:49,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:49,808 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:50,078 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:40:50,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:50,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:50,079 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:50,081 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:50,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:50,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:50,084 INFO L87 Difference]: Start difference. First operand 571 states and 754 transitions. Second operand 3 states. [2019-09-10 02:40:50,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:50,128 INFO L93 Difference]: Finished difference Result 614 states and 827 transitions. [2019-09-10 02:40:50,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:50,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2019-09-10 02:40:50,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:50,138 INFO L225 Difference]: With dead ends: 614 [2019-09-10 02:40:50,139 INFO L226 Difference]: Without dead ends: 614 [2019-09-10 02:40:50,139 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:50,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2019-09-10 02:40:50,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 613. [2019-09-10 02:40:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2019-09-10 02:40:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 826 transitions. [2019-09-10 02:40:50,175 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 826 transitions. Word has length 226 [2019-09-10 02:40:50,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:50,176 INFO L475 AbstractCegarLoop]: Abstraction has 613 states and 826 transitions. [2019-09-10 02:40:50,176 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:50,176 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 826 transitions. [2019-09-10 02:40:50,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-09-10 02:40:50,186 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:50,186 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:50,187 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:50,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:50,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1807873467, now seen corresponding path program 1 times [2019-09-10 02:40:50,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:50,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:50,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:50,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:50,189 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:40:50,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:50,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:50,375 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:50,375 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:50,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:50,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:50,376 INFO L87 Difference]: Start difference. First operand 613 states and 826 transitions. Second operand 3 states. [2019-09-10 02:40:50,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:50,409 INFO L93 Difference]: Finished difference Result 695 states and 965 transitions. [2019-09-10 02:40:50,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:50,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2019-09-10 02:40:50,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:50,417 INFO L225 Difference]: With dead ends: 695 [2019-09-10 02:40:50,418 INFO L226 Difference]: Without dead ends: 695 [2019-09-10 02:40:50,418 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:50,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2019-09-10 02:40:50,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 694. [2019-09-10 02:40:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2019-09-10 02:40:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 964 transitions. [2019-09-10 02:40:50,452 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 964 transitions. Word has length 227 [2019-09-10 02:40:50,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:50,453 INFO L475 AbstractCegarLoop]: Abstraction has 694 states and 964 transitions. [2019-09-10 02:40:50,453 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 964 transitions. [2019-09-10 02:40:50,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-09-10 02:40:50,459 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:50,460 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:50,460 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:50,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:50,461 INFO L82 PathProgramCache]: Analyzing trace with hash -351968527, now seen corresponding path program 1 times [2019-09-10 02:40:50,461 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:50,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:50,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:50,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:50,463 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:40:50,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:50,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:50,744 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:50,745 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:50,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:50,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:50,746 INFO L87 Difference]: Start difference. First operand 694 states and 964 transitions. Second operand 3 states. [2019-09-10 02:40:50,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:50,771 INFO L93 Difference]: Finished difference Result 851 states and 1229 transitions. [2019-09-10 02:40:50,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:50,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2019-09-10 02:40:50,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:50,777 INFO L225 Difference]: With dead ends: 851 [2019-09-10 02:40:50,777 INFO L226 Difference]: Without dead ends: 851 [2019-09-10 02:40:50,777 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:50,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2019-09-10 02:40:50,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 850. [2019-09-10 02:40:50,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2019-09-10 02:40:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1228 transitions. [2019-09-10 02:40:50,808 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1228 transitions. Word has length 228 [2019-09-10 02:40:50,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:50,809 INFO L475 AbstractCegarLoop]: Abstraction has 850 states and 1228 transitions. [2019-09-10 02:40:50,809 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1228 transitions. [2019-09-10 02:40:50,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-09-10 02:40:50,814 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:50,815 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:50,815 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:50,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:50,815 INFO L82 PathProgramCache]: Analyzing trace with hash -624836209, now seen corresponding path program 1 times [2019-09-10 02:40:50,816 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:50,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:50,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:50,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:50,819 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-10 02:40:51,302 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:40:51,303 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:40:51,304 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2019-09-10 02:40:51,307 INFO L207 CegarAbsIntRunner]: [44], [57], [59], [62], [64], [66], [69], [106], [109], [119], [151], [167], [170], [184], [185], [187], [297], [299], [303], [306], [307], [308], [311], [317], [339], [353], [355], [357], [364], [368], [371], [374], [383], [394], [396], [399], [403], [404], [406], [407], [410], [420], [421], [451], [453], [465], [487], [489], [509], [682], [684], [685], [686], [694], [697], [703], [724], [727], [741], [770], [771], [782], [784], [797], [799], [802], [806], [820], [824], [827], [845], [848], [886], [888], [913], [919], [928], [932], [934], [936], [939], [946], [953], [956], [958], [1094], [1097], [1111], [1219], [1291], [1295], [1296], [1299], [1305], [1306], [1309], [1310], [1313], [1316], [1347], [1348], [1350], [1419], [1422], [1428], [1463], [1466], [1480], [1486], [1489], [1498], [1687], [1689], [1691], [1693], [1694], [1706], [1714], [1715], [1716], [1717], [1718], [1719], [1720], [1738], [1748], [1749], [1750], [1751], [1752], [1753], [1756], [1757], [1758], [1759], [1760], [1762], [1763], [1764], [1765], [1772], [1778], [1779], [1780], [1781], [1786], [1788], [1794], [1795], [1798], [1799], [1800], [1806], [1807], [1820], [1821], [1822], [1823], [1824], [1846], [1847], [1862], [1863], [1864], [1866], [1867], [1872], [1873], [1874], [1875], [1876], [1877], [1878], [1879], [1880], [1882], [1883], [1884], [1885], [1906], [1907], [1918], [1924], [1925], [1942], [1944], [1945], [1946], [1948], [1949], [1950], [1951], [1952], [1953], [1954], [1966], [1967], [1968], [1969], [1970], [1971], [1972], [1973], [1974] [2019-09-10 02:40:51,392 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:40:51,392 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:40:51,614 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:40:51,616 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 191 root evaluator evaluations with a maximum evaluation depth of 0. Performed 191 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 376 variables. [2019-09-10 02:40:51,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:51,619 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:40:51,699 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:40:51,700 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:40:51,707 INFO L420 sIntCurrentIteration]: We unified 229 AI predicates to 229 [2019-09-10 02:40:51,707 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:40:51,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:40:51,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-09-10 02:40:51,708 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:51,709 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:51,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:51,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:51,710 INFO L87 Difference]: Start difference. First operand 850 states and 1228 transitions. Second operand 2 states. [2019-09-10 02:40:51,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:51,710 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:40:51,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:51,711 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 230 [2019-09-10 02:40:51,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:51,711 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:40:51,711 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:40:51,711 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:51,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:40:51,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:40:51,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:40:51,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:40:51,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 230 [2019-09-10 02:40:51,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:51,712 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:40:51,713 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:51,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:40:51,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:40:51,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:40:51 BoogieIcfgContainer [2019-09-10 02:40:51,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:40:51,721 INFO L168 Benchmark]: Toolchain (without parser) took 7301.89 ms. Allocated memory was 132.6 MB in the beginning and 419.4 MB in the end (delta: 286.8 MB). Free memory was 86.0 MB in the beginning and 331.3 MB in the end (delta: -245.3 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:51,722 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:40:51,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1085.21 ms. Allocated memory was 132.6 MB in the beginning and 201.3 MB in the end (delta: 68.7 MB). Free memory was 85.8 MB in the beginning and 125.4 MB in the end (delta: -39.6 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:51,724 INFO L168 Benchmark]: Boogie Preprocessor took 231.28 ms. Allocated memory is still 201.3 MB. Free memory was 125.4 MB in the beginning and 116.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:51,725 INFO L168 Benchmark]: RCFGBuilder took 2361.36 ms. Allocated memory was 201.3 MB in the beginning and 264.8 MB in the end (delta: 63.4 MB). Free memory was 116.7 MB in the beginning and 146.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:51,725 INFO L168 Benchmark]: TraceAbstraction took 3617.85 ms. Allocated memory was 264.8 MB in the beginning and 419.4 MB in the end (delta: 154.7 MB). Free memory was 146.3 MB in the beginning and 331.3 MB in the end (delta: -185.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:40:51,729 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 132.6 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1085.21 ms. Allocated memory was 132.6 MB in the beginning and 201.3 MB in the end (delta: 68.7 MB). Free memory was 85.8 MB in the beginning and 125.4 MB in the end (delta: -39.6 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 231.28 ms. Allocated memory is still 201.3 MB. Free memory was 125.4 MB in the beginning and 116.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2361.36 ms. Allocated memory was 201.3 MB in the beginning and 264.8 MB in the end (delta: 63.4 MB). Free memory was 116.7 MB in the beginning and 146.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3617.85 ms. Allocated memory was 264.8 MB in the beginning and 419.4 MB in the end (delta: 154.7 MB). Free memory was 146.3 MB in the beginning and 331.3 MB in the end (delta: -185.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: 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 118 procedures, 814 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3802 SDtfs, 154 SDslu, 2983 SDs, 0 SdLazy, 14 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=850occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.126637554585153 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1338 NumberOfCodeBlocks, 1338 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1332 ConstructedInterpolants, 0 QuantifiedInterpolants, 347574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 244/248 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...