/usr/bin/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:48:58,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:48:58,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:48:58,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:48:58,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:48:58,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:48:58,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:48:58,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:48:58,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:48:58,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:48:58,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:48:58,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:48:58,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:48:58,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:48:58,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:48:58,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:48:58,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:48:58,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:48:58,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:48:58,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:48:58,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:48:58,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:48:58,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:48:58,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:48:58,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:48:58,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:48:58,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:48:58,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:48:58,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:48:58,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:48:58,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:48:58,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:48:58,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:48:58,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:48:58,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:48:58,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:48:58,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:48:58,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:48:58,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:48:58,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:48:58,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:48:58,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:48:58,534 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:48:58,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:48:58,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:48:58,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:48:58,536 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:48:58,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:48:58,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:48:58,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:48:58,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:48:58,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:48:58,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:48:58,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:48:58,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:48:58,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:48:58,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:48:58,538 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:48:58,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:48:58,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:48:58,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:48:58,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:48:58,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:48:58,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:48:58,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:48:58,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:48:58,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:48:58,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:48:58,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:48:58,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:48:58,540 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:48:58,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:48:58,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:48:58,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:48:58,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:48:58,832 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:48:58,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product25.cil.c [2019-11-06 21:48:58,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c9655b05/99f35d043cf74868981d7df3331617e3/FLAGc9a3ad816 [2019-11-06 21:48:59,545 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:48:59,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product25.cil.c [2019-11-06 21:48:59,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c9655b05/99f35d043cf74868981d7df3331617e3/FLAGc9a3ad816 [2019-11-06 21:48:59,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c9655b05/99f35d043cf74868981d7df3331617e3 [2019-11-06 21:48:59,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:48:59,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:48:59,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:48:59,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:48:59,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:48:59,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:48:59" (1/1) ... [2019-11-06 21:48:59,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3c5c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:59, skipping insertion in model container [2019-11-06 21:48:59,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:48:59" (1/1) ... [2019-11-06 21:48:59,783 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:48:59,859 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:49:00,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:49:00,674 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:49:00,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:49:00,966 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:49:00,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:00 WrapperNode [2019-11-06 21:49:00,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:49:00,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:49:00,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:49:00,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:49:00,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:00" (1/1) ... [2019-11-06 21:49:00,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:00" (1/1) ... [2019-11-06 21:49:01,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:00" (1/1) ... [2019-11-06 21:49:01,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:00" (1/1) ... [2019-11-06 21:49:01,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:00" (1/1) ... [2019-11-06 21:49:01,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:00" (1/1) ... [2019-11-06 21:49:01,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:00" (1/1) ... [2019-11-06 21:49:01,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:49:01,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:49:01,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:49:01,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:49:01,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:00" (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 [2019-11-06 21:49:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:49:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:49:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:49:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:49:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-06 21:49:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-06 21:49:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:49:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:49:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-06 21:49:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-06 21:49:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:49:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:49:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:49:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:49:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:49:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:49:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:49:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:49:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:49:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-06 21:49:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-06 21:49:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-06 21:49:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-06 21:49:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:49:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:49:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:49:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:49:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:49:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:49:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:49:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-11-06 21:49:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:49:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:49:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:49:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:49:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:49:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:49:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:49:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:49:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:49:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:49:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:49:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:49:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:49:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:49:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:49:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:49:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:49:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:49:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:49:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:49:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:49:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:49:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:49:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:49:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:49:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:49:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:49:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:49:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:49:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:49:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:49:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:49:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:49:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:49:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:49:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:49:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:49:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:49:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:49:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:49:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:49:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:49:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:49:01,303 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:49:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:49:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:49:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:49:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:49:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-06 21:49:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-06 21:49:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:49:01,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:49:01,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:49:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:49:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:49:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:49:01,307 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:49:01,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:49:01,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:49:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:49:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:49:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:49:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:49:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:49:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:49:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:49:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:49:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:49:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:49:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:49:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:49:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:49:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:49:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:49:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:49:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:49:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:49:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-06 21:49:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-06 21:49:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:49:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:49:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:49:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:49:01,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:49:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:49:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:49:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:49:01,312 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:49:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:49:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:49:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:49:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:49:01,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:49:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:49:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:49:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:49:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:49:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:49:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:49:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:49:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:49:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:49:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:49:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:49:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:49:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:49:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:49:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:49:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:49:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:49:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:49:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:49:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:49:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:49:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:49:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:49:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:49:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:49:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:49:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-06 21:49:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-06 21:49:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-06 21:49:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-06 21:49:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:49:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-06 21:49:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-06 21:49:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-06 21:49:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-06 21:49:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-11-06 21:49:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:49:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:49:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:49:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:49:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:49:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:49:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:49:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:49:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:49:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:49:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-06 21:49:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:49:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-06 21:49:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:49:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:49:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:49:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:49:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:49:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:49:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:49:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:49:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:49:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:49:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:49:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:49:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:49:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:49:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:49:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:49:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:49:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:49:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:49:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:49:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:49:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:49:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:49:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:49:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:49:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:49:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:49:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:49:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:49:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:49:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:49:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:49:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:49:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:49:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:49:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:49:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:49:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:49:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:49:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:49:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:49:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:49:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:49:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:49:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:49:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:49:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:49:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:49:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:49:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:49:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:49:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-06 21:49:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-06 21:49:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:49:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:49:01,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:49:03,292 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:49:03,292 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:49:03,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:49:03 BoogieIcfgContainer [2019-11-06 21:49:03,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:49:03,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:49:03,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:49:03,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:49:03,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:48:59" (1/3) ... [2019-11-06 21:49:03,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788b0951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:49:03, skipping insertion in model container [2019-11-06 21:49:03,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:00" (2/3) ... [2019-11-06 21:49:03,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788b0951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:49:03, skipping insertion in model container [2019-11-06 21:49:03,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:49:03" (3/3) ... [2019-11-06 21:49:03,302 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product25.cil.c [2019-11-06 21:49:03,311 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:49:03,320 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:49:03,332 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:49:03,362 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:49:03,362 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:49:03,362 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:49:03,362 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:49:03,362 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:49:03,362 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:49:03,363 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:49:03,363 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:49:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states. [2019-11-06 21:49:03,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-06 21:49:03,413 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:49:03,414 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:49:03,416 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:49:03,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:49:03,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1330329300, now seen corresponding path program 1 times [2019-11-06 21:49:03,432 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:49:03,432 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688940975] [2019-11-06 21:49:03,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:49:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,768 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 547 [2019-11-06 21:49:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:49:06,156 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688940975] [2019-11-06 21:49:06,157 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:49:06,157 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:49:06,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388760508] [2019-11-06 21:49:06,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:49:06,163 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:49:06,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:49:06,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:49:06,179 INFO L87 Difference]: Start difference. First operand 583 states. Second operand 11 states. [2019-11-06 21:49:22,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:49:22,082 INFO L93 Difference]: Finished difference Result 1376 states and 2130 transitions. [2019-11-06 21:49:22,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-11-06 21:49:22,085 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2019-11-06 21:49:22,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:49:22,112 INFO L225 Difference]: With dead ends: 1376 [2019-11-06 21:49:22,112 INFO L226 Difference]: Without dead ends: 934 [2019-11-06 21:49:22,120 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-11-06 21:49:22,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2019-11-06 21:49:22,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 554. [2019-11-06 21:49:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2019-11-06 21:49:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 752 transitions. [2019-11-06 21:49:22,532 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 752 transitions. Word has length 159 [2019-11-06 21:49:22,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:49:22,533 INFO L462 AbstractCegarLoop]: Abstraction has 554 states and 752 transitions. [2019-11-06 21:49:22,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:49:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 752 transitions. [2019-11-06 21:49:22,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-06 21:49:22,549 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:49:22,550 INFO L410 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] [2019-11-06 21:49:22,550 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:49:22,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:49:22,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1059008394, now seen corresponding path program 1 times [2019-11-06 21:49:22,551 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:49:22,551 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909607453] [2019-11-06 21:49:22,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:49:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,237 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 547 [2019-11-06 21:49:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:49:24,685 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909607453] [2019-11-06 21:49:24,685 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:49:24,686 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:49:24,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155088906] [2019-11-06 21:49:24,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:49:24,688 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:49:24,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:49:24,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:49:24,689 INFO L87 Difference]: Start difference. First operand 554 states and 752 transitions. Second operand 12 states. [2019-11-06 21:49:29,003 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 550