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_spec8_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:55:48,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:55:48,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:55:48,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:55:48,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:55:48,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:55:48,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:55:48,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:55:48,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:55:48,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:55:48,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:55:48,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:55:48,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:55:48,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:55:48,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:55:48,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:55:48,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:55:48,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:55:48,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:55:48,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:55:48,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:55:48,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:55:48,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:55:48,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:55:48,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:55:48,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:55:48,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:55:48,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:55:48,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:55:48,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:55:48,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:55:48,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:55:48,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:55:48,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:55:48,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:55:48,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:55:48,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:55:48,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:55:48,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:55:48,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:55:48,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:55:48,748 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 02:55:48,764 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:55:48,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:55:48,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:55:48,765 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:55:48,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:55:48,766 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:55:48,766 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:55:48,766 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:55:48,767 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:55:48,767 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:55:48,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:55:48,768 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:55:48,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:55:48,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:55:48,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:55:48,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:55:48,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:55:48,769 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:55:48,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:55:48,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:55:48,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:55:48,770 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:55:48,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:55:48,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:48,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:55:48,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:55:48,771 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:55:48,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:55:48,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:55:48,771 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:55:48,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:55:48,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:55:48,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:55:48,818 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:55:48,818 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:55:48,819 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product34.cil.c [2019-10-03 02:55:48,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c46b4a1/5afa9181f7554533872b41f330727bfc/FLAGe43a22943 [2019-10-03 02:55:49,511 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:55:49,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product34.cil.c [2019-10-03 02:55:49,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c46b4a1/5afa9181f7554533872b41f330727bfc/FLAGe43a22943 [2019-10-03 02:55:49,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3c46b4a1/5afa9181f7554533872b41f330727bfc [2019-10-03 02:55:49,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:55:49,720 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:55:49,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:49,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:55:49,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:55:49,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:49" (1/1) ... [2019-10-03 02:55:49,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9ca86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:49, skipping insertion in model container [2019-10-03 02:55:49,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:49" (1/1) ... [2019-10-03 02:55:49,737 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:55:49,817 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:55:50,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:50,643 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:55:50,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:50,949 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:55:50,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:50 WrapperNode [2019-10-03 02:55:50,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:50,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:55:50,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:55:50,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:55:50,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:50" (1/1) ... [2019-10-03 02:55:50,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:50" (1/1) ... [2019-10-03 02:55:51,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:50" (1/1) ... [2019-10-03 02:55:51,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:50" (1/1) ... [2019-10-03 02:55:51,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:50" (1/1) ... [2019-10-03 02:55:51,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:50" (1/1) ... [2019-10-03 02:55:51,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:50" (1/1) ... [2019-10-03 02:55:51,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:55:51,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:55:51,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:55:51,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:55:51,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:50" (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 02:55:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:55:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:55:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:55:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:55:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:55:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:55:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:55:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:55:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:55:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:55:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:55:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:55:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:55:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:55:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:55:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:55:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:55:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:55:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:55:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:55:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:55:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:55:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:55:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:55:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:55:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:55:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:55:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:55:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:55:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:55:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:55:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:55:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:55:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:55:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:55:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:55:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:55:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:55:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:55:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:55:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:55:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:55:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:55:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:55:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:55:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:55:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:55:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:55:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:55:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:55:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:55:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:55:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:55:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:55:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:55:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:55:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:55:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:55:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:55:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:55:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:55:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:55:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:55:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:55:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:55:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:55:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:55:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:55:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:55:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:55:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:55:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:55:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:55:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:55:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:55:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:55:51,264 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:55:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:55:51,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:55:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:55:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:55:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:55:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:55:51,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:55:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:55:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:55:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:55:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:55:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:55:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:55:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:55:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:55:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:55:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:55:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:55:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:55:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:55:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:55:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:55:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:55:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:55:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:55:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:55:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:55:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:55:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:55:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:55:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:55:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:55:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:55:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:55:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:55:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:55:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:55:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:55:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:55:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:55:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:55:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:55:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:55:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:55:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:55:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:55:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:55:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:55:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:55:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:55:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:55:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:55:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:55:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:55:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:55:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:55:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:55:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:55:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:55:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:55:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:55:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:55:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:55:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:55:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:55:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:55:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:55:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:55:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:55:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:55:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:55:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:55:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:55:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:55:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:55:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:55:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:55:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:55:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:55:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:55:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:55:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:55:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:55:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:55:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:55:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:55:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:55:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:55:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:55:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:55:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:55:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:55:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:55:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:55:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:55:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:55:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:55:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:55:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:55:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:55:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:55:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:55:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:55:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:55:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:55:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:55:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:55:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:55:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:55:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:55:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:55:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:55:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:55:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:55:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:55:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:55:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:55:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:55:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:55:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:55:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:55:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:55:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:55:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:55:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:55:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:55:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:55:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:55:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:55:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:55:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:55:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:55:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:55:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:55:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:55:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:55:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:55:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:55:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:55:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:55:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:55:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:55:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:55:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:55:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:55:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:55:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:55:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:55:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:55:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:55:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:55:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:55:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:55:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:55:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:55:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:55:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:55:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:55:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:55:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:55:53,658 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:55:53,659 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:55:53,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:53 BoogieIcfgContainer [2019-10-03 02:55:53,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:55:53,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:55:53,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:55:53,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:55:53,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:55:49" (1/3) ... [2019-10-03 02:55:53,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1356d318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:53, skipping insertion in model container [2019-10-03 02:55:53,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:50" (2/3) ... [2019-10-03 02:55:53,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1356d318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:53, skipping insertion in model container [2019-10-03 02:55:53,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:53" (3/3) ... [2019-10-03 02:55:53,674 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product34.cil.c [2019-10-03 02:55:53,691 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:55:53,709 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:55:53,727 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:55:53,761 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:55:53,762 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:55:53,764 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:55:53,764 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:55:53,764 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:55:53,764 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:55:53,765 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:55:53,765 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:55:53,816 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states. [2019-10-03 02:55:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-03 02:55:53,866 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:53,869 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:53,873 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:53,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:53,881 INFO L82 PathProgramCache]: Analyzing trace with hash -794584526, now seen corresponding path program 1 times [2019-10-03 02:55:53,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:53,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:53,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:53,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:53,960 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:54,717 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 02:55:54,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:54,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:55:54,720 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:54,727 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:54,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:54,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:54,745 INFO L87 Difference]: Start difference. First operand 655 states. Second operand 2 states. [2019-10-03 02:55:54,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:54,836 INFO L93 Difference]: Finished difference Result 635 states and 859 transitions. [2019-10-03 02:55:54,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:54,839 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 167 [2019-10-03 02:55:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:54,871 INFO L225 Difference]: With dead ends: 635 [2019-10-03 02:55:54,871 INFO L226 Difference]: Without dead ends: 626 [2019-10-03 02:55:54,873 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 02:55:54,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2019-10-03 02:55:54,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2019-10-03 02:55:54,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2019-10-03 02:55:54,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 848 transitions. [2019-10-03 02:55:54,982 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 848 transitions. Word has length 167 [2019-10-03 02:55:54,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:54,984 INFO L475 AbstractCegarLoop]: Abstraction has 626 states and 848 transitions. [2019-10-03 02:55:54,984 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:54,984 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 848 transitions. [2019-10-03 02:55:54,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-03 02:55:54,989 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:54,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:54,990 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:54,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:54,991 INFO L82 PathProgramCache]: Analyzing trace with hash -54617500, now seen corresponding path program 1 times [2019-10-03 02:55:54,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:54,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:54,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:54,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:54,996 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:55,188 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 02:55:55,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:55,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:55,189 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:55,191 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:55,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:55,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:55,192 INFO L87 Difference]: Start difference. First operand 626 states and 848 transitions. Second operand 3 states. [2019-10-03 02:55:55,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:55,227 INFO L93 Difference]: Finished difference Result 629 states and 851 transitions. [2019-10-03 02:55:55,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:55,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-10-03 02:55:55,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:55,233 INFO L225 Difference]: With dead ends: 629 [2019-10-03 02:55:55,233 INFO L226 Difference]: Without dead ends: 629 [2019-10-03 02:55:55,234 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 02:55:55,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2019-10-03 02:55:55,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 628. [2019-10-03 02:55:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-10-03 02:55:55,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 850 transitions. [2019-10-03 02:55:55,260 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 850 transitions. Word has length 168 [2019-10-03 02:55:55,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:55,260 INFO L475 AbstractCegarLoop]: Abstraction has 628 states and 850 transitions. [2019-10-03 02:55:55,261 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 850 transitions. [2019-10-03 02:55:55,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-03 02:55:55,264 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:55,264 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] [2019-10-03 02:55:55,265 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:55,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:55,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1390838960, now seen corresponding path program 1 times [2019-10-03 02:55:55,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:55,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:55,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:55,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:55,271 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:55,496 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 02:55:55,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:55,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:55,498 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:55,501 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:55,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:55,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:55,504 INFO L87 Difference]: Start difference. First operand 628 states and 850 transitions. Second operand 3 states. [2019-10-03 02:55:55,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:55,546 INFO L93 Difference]: Finished difference Result 671 states and 923 transitions. [2019-10-03 02:55:55,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:55,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-03 02:55:55,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:55,560 INFO L225 Difference]: With dead ends: 671 [2019-10-03 02:55:55,561 INFO L226 Difference]: Without dead ends: 671 [2019-10-03 02:55:55,562 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 02:55:55,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2019-10-03 02:55:55,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 670. [2019-10-03 02:55:55,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2019-10-03 02:55:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 922 transitions. [2019-10-03 02:55:55,617 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 922 transitions. Word has length 174 [2019-10-03 02:55:55,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:55,619 INFO L475 AbstractCegarLoop]: Abstraction has 670 states and 922 transitions. [2019-10-03 02:55:55,620 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:55,620 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 922 transitions. [2019-10-03 02:55:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 02:55:55,631 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:55,631 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 02:55:55,632 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:55,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:55,633 INFO L82 PathProgramCache]: Analyzing trace with hash -557359296, now seen corresponding path program 1 times [2019-10-03 02:55:55,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:55,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:55,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:55,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:55,644 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:56,044 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 02:55:56,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:56,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:56,045 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:56,046 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:56,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:56,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:56,047 INFO L87 Difference]: Start difference. First operand 670 states and 922 transitions. Second operand 3 states. [2019-10-03 02:55:56,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:56,084 INFO L93 Difference]: Finished difference Result 811 states and 1122 transitions. [2019-10-03 02:55:56,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:56,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-10-03 02:55:56,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:56,090 INFO L225 Difference]: With dead ends: 811 [2019-10-03 02:55:56,091 INFO L226 Difference]: Without dead ends: 811 [2019-10-03 02:55:56,091 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 02:55:56,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2019-10-03 02:55:56,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 810. [2019-10-03 02:55:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2019-10-03 02:55:56,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1119 transitions. [2019-10-03 02:55:56,126 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1119 transitions. Word has length 175 [2019-10-03 02:55:56,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:56,127 INFO L475 AbstractCegarLoop]: Abstraction has 810 states and 1119 transitions. [2019-10-03 02:55:56,127 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1119 transitions. [2019-10-03 02:55:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-10-03 02:55:56,134 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:56,135 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:56,135 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:56,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:56,136 INFO L82 PathProgramCache]: Analyzing trace with hash -203609441, now seen corresponding path program 1 times [2019-10-03 02:55:56,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:56,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:56,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:56,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:56,142 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:56,527 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-03 02:55:56,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:56,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:55:56,528 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:56,529 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:55:56,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:55:56,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:55:56,530 INFO L87 Difference]: Start difference. First operand 810 states and 1119 transitions. Second operand 6 states. [2019-10-03 02:55:57,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:57,335 INFO L93 Difference]: Finished difference Result 1571 states and 2184 transitions. [2019-10-03 02:55:57,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:55:57,336 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 320 [2019-10-03 02:55:57,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:57,345 INFO L225 Difference]: With dead ends: 1571 [2019-10-03 02:55:57,345 INFO L226 Difference]: Without dead ends: 1571 [2019-10-03 02:55:57,346 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:55:57,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2019-10-03 02:55:57,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1560. [2019-10-03 02:55:57,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1560 states. [2019-10-03 02:55:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 2174 transitions. [2019-10-03 02:55:57,396 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 2174 transitions. Word has length 320 [2019-10-03 02:55:57,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:57,397 INFO L475 AbstractCegarLoop]: Abstraction has 1560 states and 2174 transitions. [2019-10-03 02:55:57,397 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:55:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 2174 transitions. [2019-10-03 02:55:57,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2019-10-03 02:55:57,406 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:57,406 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:57,407 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:57,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:57,407 INFO L82 PathProgramCache]: Analyzing trace with hash 72654355, now seen corresponding path program 1 times [2019-10-03 02:55:57,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:57,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:57,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:57,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:57,412 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-03 02:55:57,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:57,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-03 02:55:57,797 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:57,798 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-03 02:55:57,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-03 02:55:57,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-03 02:55:57,799 INFO L87 Difference]: Start difference. First operand 1560 states and 2174 transitions. Second operand 11 states. [2019-10-03 02:55:58,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:58,273 INFO L93 Difference]: Finished difference Result 1548 states and 2144 transitions. [2019-10-03 02:55:58,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-03 02:55:58,274 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 321 [2019-10-03 02:55:58,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:58,285 INFO L225 Difference]: With dead ends: 1548 [2019-10-03 02:55:58,285 INFO L226 Difference]: Without dead ends: 1534 [2019-10-03 02:55:58,286 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 02:55:58,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2019-10-03 02:55:58,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1530. [2019-10-03 02:55:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1530 states. [2019-10-03 02:55:58,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1530 states and 2123 transitions. [2019-10-03 02:55:58,336 INFO L78 Accepts]: Start accepts. Automaton has 1530 states and 2123 transitions. Word has length 321 [2019-10-03 02:55:58,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:58,337 INFO L475 AbstractCegarLoop]: Abstraction has 1530 states and 2123 transitions. [2019-10-03 02:55:58,337 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-03 02:55:58,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 2123 transitions. [2019-10-03 02:55:58,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-10-03 02:55:58,346 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:58,347 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-03 02:55:58,347 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:58,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:58,347 INFO L82 PathProgramCache]: Analyzing trace with hash 299496427, now seen corresponding path program 1 times [2019-10-03 02:55:58,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:58,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:58,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:58,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:58,352 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-10-03 02:55:58,991 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:55:58,991 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:55:58,993 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 330 with the following transitions: [2019-10-03 02:55:58,996 INFO L207 CegarAbsIntRunner]: [29], [30], [44], [47], [54], [56], [72], [75], [85], [116], [119], [129], [130], [133], [138], [140], [142], [146], [149], [163], [164], [166], [276], [278], [281], [282], [285], [286], [287], [290], [296], [297], [298], [318], [320], [333], [336], [345], [346], [348], [351], [355], [356], [358], [359], [362], [372], [373], [374], [401], [403], [415], [437], [438], [441], [443], [448], [452], [454], [455], [457], [458], [478], [481], [651], [653], [654], [655], [693], [696], [710], [739], [740], [751], [753], [755], [757], [768], [770], [773], [777], [791], [795], [798], [816], [819], [837], [840], [850], [851], [854], [879], [882], [885], [894], [898], [900], [902], [905], [912], [919], [922], [1060], [1062], [1079], [1082], [1208], [1280], [1283], [1284], [1295], [1298], [1299], [1302], [1305], [1336], [1337], [1339], [1341], [1348], [1351], [1354], [1356], [1358], [1439], [1442], [1448], [1469], [1472], [1486], [1492], [1495], [1504], [1518], [1519], [1698], [1700], [1702], [1704], [1705], [1717], [1718], [1719], [1720], [1741], [1742], [1743], [1744], [1745], [1746], [1747], [1748], [1749], [1751], [1752], [1753], [1754], [1755], [1756], [1759], [1760], [1761], [1762], [1763], [1764], [1765], [1766], [1767], [1768], [1775], [1776], [1781], [1782], [1785], [1786], [1791], [1792], [1805], [1806], [1807], [1809], [1810], [1811], [1812], [1813], [1814], [1835], [1836], [1851], [1852], [1853], [1854], [1855], [1856], [1857], [1858], [1863], [1864], [1865], [1866], [1867], [1868], [1869], [1870], [1871], [1873], [1874], [1875], [1876], [1891], [1892], [1893], [1894], [1905], [1906], [1929], [1931], [1932], [1949], [1950], [1951], [1952], [1953], [1954], [1955], [1956], [1957], [1958], [1959], [1960], [1961], [1962], [1967], [1968], [1969], [1970], [1971], [1972], [1991], [1992], [1993], [1994], [1995], [1996], [1997], [1998], [1999] [2019-10-03 02:55:59,059 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:55:59,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:55:59,194 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:55:59,196 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 200 root evaluator evaluations with a maximum evaluation depth of 0. Performed 200 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 394 variables. [2019-10-03 02:55:59,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:59,201 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:55:59,322 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:55:59,322 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:55:59,334 INFO L420 sIntCurrentIteration]: We unified 328 AI predicates to 328 [2019-10-03 02:55:59,335 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:55:59,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:55:59,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-10-03 02:55:59,341 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:59,342 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:59,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:59,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:59,343 INFO L87 Difference]: Start difference. First operand 1530 states and 2123 transitions. Second operand 2 states. [2019-10-03 02:55:59,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:59,344 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:55:59,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:59,344 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 329 [2019-10-03 02:55:59,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:59,345 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:55:59,345 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:55:59,345 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 328 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 02:55:59,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:55:59,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:55:59,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:55:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:55:59,346 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 329 [2019-10-03 02:55:59,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:59,346 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:55:59,346 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:59,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:55:59,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:55:59,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:55:59 BoogieIcfgContainer [2019-10-03 02:55:59,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:55:59,355 INFO L168 Benchmark]: Toolchain (without parser) took 9633.78 ms. Allocated memory was 140.0 MB in the beginning and 418.4 MB in the end (delta: 278.4 MB). Free memory was 84.8 MB in the beginning and 127.7 MB in the end (delta: -42.8 MB). Peak memory consumption was 235.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:59,357 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:55:59,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1229.11 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 84.6 MB in the beginning and 126.6 MB in the end (delta: -42.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:59,360 INFO L168 Benchmark]: Boogie Preprocessor took 203.59 ms. Allocated memory is still 202.9 MB. Free memory was 126.6 MB in the beginning and 117.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:59,362 INFO L168 Benchmark]: RCFGBuilder took 2506.64 ms. Allocated memory was 202.9 MB in the beginning and 267.9 MB in the end (delta: 65.0 MB). Free memory was 117.3 MB in the beginning and 137.4 MB in the end (delta: -20.1 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:59,369 INFO L168 Benchmark]: TraceAbstraction took 5688.18 ms. Allocated memory was 267.9 MB in the beginning and 418.4 MB in the end (delta: 150.5 MB). Free memory was 137.4 MB in the beginning and 127.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 160.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:59,376 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1229.11 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 84.6 MB in the beginning and 126.6 MB in the end (delta: -42.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 203.59 ms. Allocated memory is still 202.9 MB. Free memory was 126.6 MB in the beginning and 117.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2506.64 ms. Allocated memory was 202.9 MB in the beginning and 267.9 MB in the end (delta: 65.0 MB). Free memory was 117.3 MB in the beginning and 137.4 MB in the end (delta: -20.1 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5688.18 ms. Allocated memory was 267.9 MB in the beginning and 418.4 MB in the end (delta: 150.5 MB). Free memory was 137.4 MB in the beginning and 127.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 160.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1190]: 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 119 procedures, 826 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5284 SDtfs, 2279 SDslu, 12351 SDs, 0 SdLazy, 490 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1560occurred in iteration=5, 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, 1.875 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 18 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1654 NumberOfCodeBlocks, 1654 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1647 ConstructedInterpolants, 0 QuantifiedInterpolants, 549285 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 462/473 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...