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_spec3_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:52:57,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:52:57,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:52:57,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:52:57,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:52:57,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:52:57,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:52:57,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:52:57,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:52:57,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:52:57,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:52:57,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:52:57,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:52:57,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:52:57,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:52:57,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:52:57,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:52:57,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:52:57,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:52:57,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:52:57,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:52:57,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:52:57,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:52:57,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:52:57,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:52:57,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:52:57,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:52:57,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:52:57,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:52:57,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:52:57,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:52:57,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:52:57,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:52:57,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:52:57,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:52:57,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:52:57,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:52:57,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:52:57,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:52:57,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:52:57,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:52:57,756 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 02:52:57,774 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:52:57,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:52:57,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:52:57,775 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:52:57,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:52:57,776 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:52:57,776 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:52:57,776 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:52:57,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:52:57,777 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:52:57,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:52:57,777 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:52:57,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:52:57,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:52:57,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:52:57,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:52:57,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:52:57,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:52:57,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:52:57,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:52:57,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:52:57,779 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:52:57,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:52:57,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:57,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:52:57,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:52:57,780 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:52:57,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:52:57,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:52:57,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:52:57,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:52:57,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:52:57,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:52:57,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:52:57,840 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:52:57,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product35.cil.c [2019-10-03 02:52:57,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b201fe27/c3ad309eb3fa465b85c5a9418b32674c/FLAG688cf84de [2019-10-03 02:52:58,509 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:52:58,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product35.cil.c [2019-10-03 02:52:58,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b201fe27/c3ad309eb3fa465b85c5a9418b32674c/FLAG688cf84de [2019-10-03 02:52:58,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b201fe27/c3ad309eb3fa465b85c5a9418b32674c [2019-10-03 02:52:58,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:52:58,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:52:58,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:58,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:52:58,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:52:58,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:58" (1/1) ... [2019-10-03 02:52:58,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a9dc7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:58, skipping insertion in model container [2019-10-03 02:52:58,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:58" (1/1) ... [2019-10-03 02:52:58,759 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:52:58,845 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:52:59,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:59,575 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:52:59,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:59,890 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:52:59,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59 WrapperNode [2019-10-03 02:52:59,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:59,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:52:59,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:52:59,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:52:59,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:52:59,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:52:59,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:52:59,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:53:00,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:53:00,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:53:00,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:53:00,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:53:00,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:53:00,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:53:00,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:53:00,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (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 02:53:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:53:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:53:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:00,200 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:53:00,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:53:00,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:53:00,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:53:00,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:53:00,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:53:00,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:53:00,202 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:53:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:53:00,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:53:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:53:00,204 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:53:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:53:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:53:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:53:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:53:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:53:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:53:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:53:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:53:00,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:53:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:53:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:53:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:53:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:53:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:53:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:53:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:53:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:53:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:53:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:53:00,210 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:53:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:53:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:53:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:53:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:53:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:53:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:53:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:53:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:53:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:53:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:53:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:53:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:53:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:53:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:53:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-03 02:53:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-03 02:53:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:53:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:53:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:53:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:53:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:53:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:53:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:53:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:53:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:53:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:53:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:53:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:53:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:53:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:53:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:53:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:53:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:53:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:53:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:53:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:53:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:53:00,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:53:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:53:00,219 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:53:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:53:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:53:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:53:00,220 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:53:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:53:00,221 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:53:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:53:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:53:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:53:00,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:53:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:53:00,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:53:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:53:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:53:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:53:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:53:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:53:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:53:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:53:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:53:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:53:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:53:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:53:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:53:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:53:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:53:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:53:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:53:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:53:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:53:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:53:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:53:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:53:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:53:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:53:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:53:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:53:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:53:00,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:53:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:53:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:53:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:53:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:53:00,237 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:53:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:53:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:53:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:53:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:53:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:53:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:53:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:53:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:53:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:53:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:53:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:53:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:53:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:53:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:53:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:53:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:53:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:53:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:53:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:53:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:53:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:53:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:53:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:53:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:53:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:53:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:53:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:53:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:53:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:53:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:53:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:53:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:53:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:53:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:53:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:53:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:53:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:53:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:53:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:53:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:53:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:53:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:53:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:53:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:53:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:53:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:53:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:53:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:53:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:53:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:53:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:53:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:53:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:53:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:53:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:53:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:53:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:53:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:53:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:53:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:53:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:53:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:53:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:53:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:53:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:53:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:53:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:53:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:53:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:53:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:53:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:53:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:53:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:53:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:53:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:53:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:53:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:53:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:53:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:53:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:53:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:53:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:53:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:53:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:53:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-03 02:53:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:53:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:53:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:53:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:53:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:53:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:53:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:53:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-03 02:53:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:53:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:53:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:53:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:53:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:53:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:53:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:53:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:53:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:53:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:53:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:53:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:53:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:53:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:53:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:53:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:53:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:53:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:53:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:53:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:53:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:53:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:53:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:53:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:53:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:53:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:53:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:53:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:53:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:53:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:53:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:53:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:53:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:53:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:53:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:53:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:53:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:53:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:53:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:53:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:53:02,779 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:53:02,779 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:53:02,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:02 BoogieIcfgContainer [2019-10-03 02:53:02,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:53:02,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:53:02,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:53:02,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:53:02,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:52:58" (1/3) ... [2019-10-03 02:53:02,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51df128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:02, skipping insertion in model container [2019-10-03 02:53:02,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (2/3) ... [2019-10-03 02:53:02,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51df128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:02, skipping insertion in model container [2019-10-03 02:53:02,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:02" (3/3) ... [2019-10-03 02:53:02,797 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product35.cil.c [2019-10-03 02:53:02,807 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:53:02,819 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:53:02,837 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:53:02,873 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:53:02,873 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:53:02,873 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:53:02,873 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:53:02,873 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:53:02,874 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:53:02,874 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:53:02,874 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:53:02,923 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states. [2019-10-03 02:53:02,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-03 02:53:02,975 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:02,979 INFO L411 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] [2019-10-03 02:53:02,982 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:02,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:02,990 INFO L82 PathProgramCache]: Analyzing trace with hash -743915879, now seen corresponding path program 1 times [2019-10-03 02:53:02,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:03,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:03,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:03,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:03,062 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:53:03,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:03,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:53:03,816 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:03,822 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:03,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:03,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:03,841 INFO L87 Difference]: Start difference. First operand 695 states. Second operand 2 states. [2019-10-03 02:53:03,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:03,898 INFO L93 Difference]: Finished difference Result 675 states and 913 transitions. [2019-10-03 02:53:03,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:03,900 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 204 [2019-10-03 02:53:03,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:03,926 INFO L225 Difference]: With dead ends: 675 [2019-10-03 02:53:03,926 INFO L226 Difference]: Without dead ends: 666 [2019-10-03 02:53:03,928 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 02:53:03,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2019-10-03 02:53:04,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 666. [2019-10-03 02:53:04,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2019-10-03 02:53:04,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 902 transitions. [2019-10-03 02:53:04,027 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 902 transitions. Word has length 204 [2019-10-03 02:53:04,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:04,030 INFO L475 AbstractCegarLoop]: Abstraction has 666 states and 902 transitions. [2019-10-03 02:53:04,030 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:04,030 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 902 transitions. [2019-10-03 02:53:04,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-03 02:53:04,036 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:04,036 INFO L411 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] [2019-10-03 02:53:04,037 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:04,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:04,037 INFO L82 PathProgramCache]: Analyzing trace with hash 880668841, now seen corresponding path program 1 times [2019-10-03 02:53:04,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:04,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:04,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:04,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:04,042 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:04,437 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:53:04,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:04,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:04,438 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:04,440 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:04,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:04,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:04,441 INFO L87 Difference]: Start difference. First operand 666 states and 902 transitions. Second operand 3 states. [2019-10-03 02:53:04,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:04,514 INFO L93 Difference]: Finished difference Result 669 states and 905 transitions. [2019-10-03 02:53:04,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:04,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-10-03 02:53:04,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:04,525 INFO L225 Difference]: With dead ends: 669 [2019-10-03 02:53:04,525 INFO L226 Difference]: Without dead ends: 669 [2019-10-03 02:53:04,526 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 02:53:04,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2019-10-03 02:53:04,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 668. [2019-10-03 02:53:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 668 states. [2019-10-03 02:53:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 904 transitions. [2019-10-03 02:53:04,597 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 904 transitions. Word has length 205 [2019-10-03 02:53:04,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:04,598 INFO L475 AbstractCegarLoop]: Abstraction has 668 states and 904 transitions. [2019-10-03 02:53:04,598 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:04,598 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 904 transitions. [2019-10-03 02:53:04,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-10-03 02:53:04,606 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:04,606 INFO L411 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] [2019-10-03 02:53:04,607 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:04,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:04,608 INFO L82 PathProgramCache]: Analyzing trace with hash -293016614, now seen corresponding path program 1 times [2019-10-03 02:53:04,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:04,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:04,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:04,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:04,613 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:53:04,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:04,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:04,815 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:04,817 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:04,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:04,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:04,820 INFO L87 Difference]: Start difference. First operand 668 states and 904 transitions. Second operand 3 states. [2019-10-03 02:53:04,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:04,852 INFO L93 Difference]: Finished difference Result 713 states and 980 transitions. [2019-10-03 02:53:04,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:04,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2019-10-03 02:53:04,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:04,859 INFO L225 Difference]: With dead ends: 713 [2019-10-03 02:53:04,859 INFO L226 Difference]: Without dead ends: 713 [2019-10-03 02:53:04,860 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 02:53:04,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2019-10-03 02:53:04,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 712. [2019-10-03 02:53:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2019-10-03 02:53:04,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 979 transitions. [2019-10-03 02:53:04,883 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 979 transitions. Word has length 217 [2019-10-03 02:53:04,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:04,884 INFO L475 AbstractCegarLoop]: Abstraction has 712 states and 979 transitions. [2019-10-03 02:53:04,884 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:04,884 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 979 transitions. [2019-10-03 02:53:04,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-03 02:53:04,889 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:04,889 INFO L411 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] [2019-10-03 02:53:04,890 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:04,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:04,890 INFO L82 PathProgramCache]: Analyzing trace with hash 373909830, now seen corresponding path program 1 times [2019-10-03 02:53:04,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:04,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:04,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:04,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:04,895 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:53:05,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:05,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:05,047 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:05,048 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:05,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:05,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:05,049 INFO L87 Difference]: Start difference. First operand 712 states and 979 transitions. Second operand 3 states. [2019-10-03 02:53:05,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:05,075 INFO L93 Difference]: Finished difference Result 798 states and 1124 transitions. [2019-10-03 02:53:05,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:05,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2019-10-03 02:53:05,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:05,084 INFO L225 Difference]: With dead ends: 798 [2019-10-03 02:53:05,084 INFO L226 Difference]: Without dead ends: 798 [2019-10-03 02:53:05,085 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 02:53:05,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2019-10-03 02:53:05,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 797. [2019-10-03 02:53:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2019-10-03 02:53:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1123 transitions. [2019-10-03 02:53:05,170 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1123 transitions. Word has length 218 [2019-10-03 02:53:05,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:05,170 INFO L475 AbstractCegarLoop]: Abstraction has 797 states and 1123 transitions. [2019-10-03 02:53:05,170 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:05,171 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1123 transitions. [2019-10-03 02:53:05,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-10-03 02:53:05,175 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:05,175 INFO L411 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] [2019-10-03 02:53:05,176 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:05,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:05,176 INFO L82 PathProgramCache]: Analyzing trace with hash -2072189759, now seen corresponding path program 1 times [2019-10-03 02:53:05,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:05,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:05,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:05,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:05,181 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-03 02:53:05,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:05,692 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:53:05,693 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2019-10-03 02:53:05,697 INFO L207 CegarAbsIntRunner]: [72], [75], [85], [116], [119], [129], [130], [146], [149], [163], [164], [166], [276], [278], [282], [285], [286], [287], [290], [296], [332], [334], [336], [343], [350], [353], [362], [383], [385], [386], [389], [399], [428], [467], [487], [660], [662], [663], [664], [672], [675], [681], [702], [705], [719], [748], [749], [750], [753], [759], [760], [762], [764], [777], [779], [782], [786], [800], [804], [807], [825], [828], [866], [868], [893], [899], [908], [912], [914], [916], [919], [926], [933], [936], [938], [1076], [1078], [1095], [1099], [1102], [1116], [1224], [1226], [1227], [1228], [1231], [1233], [1235], [1238], [1257], [1329], [1333], [1344], [1347], [1348], [1351], [1354], [1385], [1388], [1390], [1503], [1506], [1520], [1526], [1529], [1538], [1732], [1734], [1736], [1738], [1739], [1775], [1785], [1786], [1787], [1788], [1789], [1790], [1793], [1794], [1795], [1796], [1797], [1799], [1800], [1801], [1802], [1815], [1816], [1817], [1818], [1823], [1835], [1836], [1841], [1857], [1858], [1859], [1883], [1884], [1899], [1900], [1901], [1902], [1903], [1905], [1906], [1911], [1912], [1913], [1914], [1915], [1916], [1917], [1918], [1919], [1921], [1922], [1923], [1924], [1945], [1946], [1957], [1963], [1964], [1983], [1985], [1986], [2003], [2005], [2006], [2007], [2008], [2009], [2010], [2011], [2019], [2020], [2021], [2023], [2024], [2025], [2026], [2027], [2028], [2029], [2049], [2050], [2051], [2052], [2053], [2054], [2055], [2056], [2057] [2019-10-03 02:53:05,779 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:53:05,779 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:53:05,934 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:53:05,935 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 216 root evaluator evaluations with a maximum evaluation depth of 0. Performed 216 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 398 variables. [2019-10-03 02:53:05,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:05,939 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:53:06,053 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:53:06,053 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:53:06,061 INFO L420 sIntCurrentIteration]: We unified 220 AI predicates to 220 [2019-10-03 02:53:06,061 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:53:06,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:53:06,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-10-03 02:53:06,063 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:06,064 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:06,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:06,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:06,064 INFO L87 Difference]: Start difference. First operand 797 states and 1123 transitions. Second operand 2 states. [2019-10-03 02:53:06,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:06,065 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:53:06,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:06,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 221 [2019-10-03 02:53:06,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:06,065 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:53:06,065 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:53:06,066 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 220 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 02:53:06,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:53:06,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:53:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:53:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:53:06,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2019-10-03 02:53:06,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:06,067 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:53:06,067 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:06,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:53:06,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:53:06,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:53:06 BoogieIcfgContainer [2019-10-03 02:53:06,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:53:06,076 INFO L168 Benchmark]: Toolchain (without parser) took 7331.94 ms. Allocated memory was 132.1 MB in the beginning and 346.6 MB in the end (delta: 214.4 MB). Free memory was 84.2 MB in the beginning and 112.1 MB in the end (delta: -27.9 MB). Peak memory consumption was 186.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:06,077 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-03 02:53:06,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1147.64 ms. Allocated memory was 132.1 MB in the beginning and 201.3 MB in the end (delta: 69.2 MB). Free memory was 83.9 MB in the beginning and 123.5 MB in the end (delta: -39.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:06,080 INFO L168 Benchmark]: Boogie Preprocessor took 200.10 ms. Allocated memory is still 201.3 MB. Free memory was 123.5 MB in the beginning and 114.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:06,082 INFO L168 Benchmark]: RCFGBuilder took 2690.83 ms. Allocated memory was 201.3 MB in the beginning and 266.9 MB in the end (delta: 65.5 MB). Free memory was 113.9 MB in the beginning and 126.9 MB in the end (delta: -13.0 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:06,084 INFO L168 Benchmark]: TraceAbstraction took 3289.18 ms. Allocated memory was 266.9 MB in the beginning and 346.6 MB in the end (delta: 79.7 MB). Free memory was 124.7 MB in the beginning and 112.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:06,094 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1147.64 ms. Allocated memory was 132.1 MB in the beginning and 201.3 MB in the end (delta: 69.2 MB). Free memory was 83.9 MB in the beginning and 123.5 MB in the end (delta: -39.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 200.10 ms. Allocated memory is still 201.3 MB. Free memory was 123.5 MB in the beginning and 114.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2690.83 ms. Allocated memory was 201.3 MB in the beginning and 266.9 MB in the end (delta: 65.5 MB). Free memory was 113.9 MB in the beginning and 126.9 MB in the end (delta: -13.0 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3289.18 ms. Allocated memory was 266.9 MB in the beginning and 346.6 MB in the end (delta: 79.7 MB). Free memory was 124.7 MB in the beginning and 112.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2920]: 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 122 procedures, 854 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3645 SDtfs, 107 SDslu, 2688 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=797occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.2545454545454544 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1065 NumberOfCodeBlocks, 1065 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1060 ConstructedInterpolants, 0 QuantifiedInterpolants, 275658 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 203/207 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...