/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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec3_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:19:58,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:19:58,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:19:58,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:19:58,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:19:58,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:19:58,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:19:58,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:19:58,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:19:58,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:19:58,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:19:58,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:19:58,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:19:58,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:19:58,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:19:58,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:19:58,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:19:58,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:19:58,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:19:58,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:19:58,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:19:58,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:19:58,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:19:58,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:19:58,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:19:58,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:19:58,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:19:58,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:19:58,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:19:58,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:19:58,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:19:58,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:19:58,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:19:58,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:19:58,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:19:58,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:19:58,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:19:58,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:19:58,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:19:58,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:19:58,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:19:58,506 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 [2019-11-07 04:19:58,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:19:58,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:19:58,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:19:58,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:19:58,532 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:19:58,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:19:58,532 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:19:58,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:19:58,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:19:58,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:19:58,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:19:58,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:19:58,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:19:58,535 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:19:58,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:19:58,536 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:19:58,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:19:58,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:19:58,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:19:58,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:19:58,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:19:58,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:19:58,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:19:58,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:19:58,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:19:58,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:19:58,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:19:58,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:19:58,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:19:58,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:19:58,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:19:58,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:19:58,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:19:58,894 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:19:58,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product17.cil.c [2019-11-07 04:19:58,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62ae78bcf/f5db1a8539fe4edc959972c934b9ee88/FLAG868b2fa1f [2019-11-07 04:19:59,572 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:19:59,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product17.cil.c [2019-11-07 04:19:59,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62ae78bcf/f5db1a8539fe4edc959972c934b9ee88/FLAG868b2fa1f [2019-11-07 04:19:59,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62ae78bcf/f5db1a8539fe4edc959972c934b9ee88 [2019-11-07 04:19:59,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:19:59,790 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:19:59,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:19:59,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:19:59,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:19:59,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:19:59" (1/1) ... [2019-11-07 04:19:59,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce461f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:59, skipping insertion in model container [2019-11-07 04:19:59,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:19:59" (1/1) ... [2019-11-07 04:19:59,825 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:19:59,908 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:20:00,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:20:00,773 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:20:00,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:20:00,973 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:20:00,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:00 WrapperNode [2019-11-07 04:20:00,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:20:00,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:20:00,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:20:00,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:20:00,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:00" (1/1) ... [2019-11-07 04:20:00,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:00" (1/1) ... [2019-11-07 04:20:01,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:00" (1/1) ... [2019-11-07 04:20:01,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:00" (1/1) ... [2019-11-07 04:20:01,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:00" (1/1) ... [2019-11-07 04:20:01,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:00" (1/1) ... [2019-11-07 04:20:01,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:00" (1/1) ... [2019-11-07 04:20:01,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:20:01,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:20:01,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:20:01,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:20:01,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:00" (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 [2019-11-07 04:20:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:20:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:20:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:20:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:20:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:20:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:20:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:20:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:20:01,196 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:20:01,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:20:01,196 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:20:01,196 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:20:01,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:20:01,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:20:01,197 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:20:01,197 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:20:01,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:20:01,197 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:20:01,198 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:20:01,198 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:20:01,198 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:20:01,198 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:20:01,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:20:01,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:20:01,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:20:01,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:20:01,199 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:20:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:20:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:20:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:20:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:20:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:20:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:20:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:20:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:20:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:20:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:20:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:20:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:20:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:20:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:20:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:20:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:20:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:20:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:20:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:20:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:20:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:20:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:20:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:20:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:20:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:20:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:20:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 04:20:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 04:20:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:20:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:20:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:20:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:20:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:20:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:20:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:20:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:20:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:20:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:20:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:20:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:20:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:20:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:20:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:20:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:20:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:20:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:20:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:20:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:20:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:20:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:20:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:20:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:20:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:20:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:20:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:20:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:20:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:20:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:20:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-07 04:20:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:20:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:20:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:20:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:20:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:20:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:20:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:20:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:20:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:20:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:20:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:20:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:20:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:20:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:20:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:20:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:20:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:20:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:20:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:20:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:20:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:20:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:20:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:20:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:20:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:20:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:20:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:20:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:20:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:20:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:20:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:20:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:20:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:20:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:20:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:20:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:20:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:20:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:20:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:20:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:20:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:20:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:20:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:20:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:20:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:20:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:20:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:20:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:20:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:20:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:20:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:20:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:20:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:20:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:20:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:20:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:20:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:20:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:20:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:20:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:20:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:20:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:20:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:20:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:20:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:20:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:20:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:20:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:20:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:20:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:20:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:20:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:20:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:20:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:20:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:20:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:20:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:20:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:20:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:20:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:20:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:20:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:20:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:20:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:20:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:20:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:20:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:20:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:20:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:20:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:20:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:20:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:20:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:20:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:20:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:20:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:20:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:20:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:20:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:20:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:20:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:20:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:20:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:20:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:20:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:20:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:20:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:20:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:20:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:20:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:20:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:20:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:20:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:20:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:20:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 04:20:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:20:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:20:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:20:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 04:20:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:20:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:20:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:20:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:20:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:20:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:20:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:20:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:20:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:20:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:20:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:20:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:20:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:20:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:20:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:20:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:20:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:20:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:20:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:20:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:20:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-07 04:20:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:20:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:20:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:20:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:20:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:20:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:20:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:20:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:20:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:20:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:20:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:20:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:20:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:20:06,057 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:20:06,057 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:20:06,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:20:06 BoogieIcfgContainer [2019-11-07 04:20:06,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:20:06,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:20:06,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:20:06,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:20:06,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:19:59" (1/3) ... [2019-11-07 04:20:06,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3962ff1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:20:06, skipping insertion in model container [2019-11-07 04:20:06,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:00" (2/3) ... [2019-11-07 04:20:06,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3962ff1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:20:06, skipping insertion in model container [2019-11-07 04:20:06,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:20:06" (3/3) ... [2019-11-07 04:20:06,066 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product17.cil.c [2019-11-07 04:20:06,073 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:20:06,082 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:20:06,093 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:20:06,122 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:20:06,123 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:20:06,123 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:20:06,123 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:20:06,123 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:20:06,123 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:20:06,124 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:20:06,124 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:20:06,153 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states. [2019-11-07 04:20:06,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-07 04:20:06,170 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:06,171 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:20:06,174 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:06,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:06,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1826743954, now seen corresponding path program 1 times [2019-11-07 04:20:06,188 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:06,188 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725884604] [2019-11-07 04:20:06,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:06,901 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725884604] [2019-11-07 04:20:06,902 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:06,903 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:20:06,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874671842] [2019-11-07 04:20:06,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:20:06,913 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:06,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:20:06,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:20:06,930 INFO L87 Difference]: Start difference. First operand 380 states. Second operand 2 states. [2019-11-07 04:20:06,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:06,999 INFO L93 Difference]: Finished difference Result 517 states and 620 transitions. [2019-11-07 04:20:06,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:20:07,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 141 [2019-11-07 04:20:07,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:07,034 INFO L225 Difference]: With dead ends: 517 [2019-11-07 04:20:07,034 INFO L226 Difference]: Without dead ends: 337 [2019-11-07 04:20:07,047 INFO L630 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 [2019-11-07 04:20:07,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2019-11-07 04:20:07,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2019-11-07 04:20:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2019-11-07 04:20:07,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 399 transitions. [2019-11-07 04:20:07,146 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 399 transitions. Word has length 141 [2019-11-07 04:20:07,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:07,148 INFO L462 AbstractCegarLoop]: Abstraction has 337 states and 399 transitions. [2019-11-07 04:20:07,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:20:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 399 transitions. [2019-11-07 04:20:07,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-07 04:20:07,155 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:07,155 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:07,155 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:07,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:07,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1248301962, now seen corresponding path program 1 times [2019-11-07 04:20:07,156 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:07,156 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149188289] [2019-11-07 04:20:07,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:07,358 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149188289] [2019-11-07 04:20:07,358 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:07,358 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:20:07,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928723378] [2019-11-07 04:20:07,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:20:07,361 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:07,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:20:07,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:20:07,362 INFO L87 Difference]: Start difference. First operand 337 states and 399 transitions. Second operand 3 states. [2019-11-07 04:20:07,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:07,403 INFO L93 Difference]: Finished difference Result 502 states and 585 transitions. [2019-11-07 04:20:07,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:20:07,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-11-07 04:20:07,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:07,408 INFO L225 Difference]: With dead ends: 502 [2019-11-07 04:20:07,408 INFO L226 Difference]: Without dead ends: 339 [2019-11-07 04:20:07,410 INFO L630 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 [2019-11-07 04:20:07,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2019-11-07 04:20:07,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2019-11-07 04:20:07,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-11-07 04:20:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 401 transitions. [2019-11-07 04:20:07,451 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 401 transitions. Word has length 142 [2019-11-07 04:20:07,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:07,452 INFO L462 AbstractCegarLoop]: Abstraction has 339 states and 401 transitions. [2019-11-07 04:20:07,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:20:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 401 transitions. [2019-11-07 04:20:07,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-07 04:20:07,457 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:07,457 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:20:07,458 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:07,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:07,458 INFO L82 PathProgramCache]: Analyzing trace with hash 581994393, now seen corresponding path program 1 times [2019-11-07 04:20:07,458 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:07,459 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663353615] [2019-11-07 04:20:07,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:07,781 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663353615] [2019-11-07 04:20:07,781 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:07,785 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:20:07,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861414825] [2019-11-07 04:20:07,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:20:07,786 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:07,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:20:07,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:20:07,789 INFO L87 Difference]: Start difference. First operand 339 states and 401 transitions. Second operand 3 states. [2019-11-07 04:20:07,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:07,825 INFO L93 Difference]: Finished difference Result 660 states and 809 transitions. [2019-11-07 04:20:07,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:20:07,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-11-07 04:20:07,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:07,829 INFO L225 Difference]: With dead ends: 660 [2019-11-07 04:20:07,830 INFO L226 Difference]: Without dead ends: 379 [2019-11-07 04:20:07,831 INFO L630 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 [2019-11-07 04:20:07,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-11-07 04:20:07,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 378. [2019-11-07 04:20:07,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2019-11-07 04:20:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 469 transitions. [2019-11-07 04:20:07,867 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 469 transitions. Word has length 147 [2019-11-07 04:20:07,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:07,868 INFO L462 AbstractCegarLoop]: Abstraction has 378 states and 469 transitions. [2019-11-07 04:20:07,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:20:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 469 transitions. [2019-11-07 04:20:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-07 04:20:07,871 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:07,872 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:20:07,872 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:07,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:07,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1410511617, now seen corresponding path program 1 times [2019-11-07 04:20:07,873 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:07,873 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002135622] [2019-11-07 04:20:07,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:20:08,435 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002135622] [2019-11-07 04:20:08,436 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:08,436 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-11-07 04:20:08,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63887887] [2019-11-07 04:20:08,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-11-07 04:20:08,440 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:08,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-11-07 04:20:08,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2019-11-07 04:20:08,442 INFO L87 Difference]: Start difference. First operand 378 states and 469 transitions. Second operand 25 states. [2019-11-07 04:20:20,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:20,445 INFO L93 Difference]: Finished difference Result 933 states and 1123 transitions. [2019-11-07 04:20:20,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-11-07 04:20:20,446 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 148 [2019-11-07 04:20:20,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:20,455 INFO L225 Difference]: With dead ends: 933 [2019-11-07 04:20:20,456 INFO L226 Difference]: Without dead ends: 770 [2019-11-07 04:20:20,458 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=404, Invalid=3018, Unknown=0, NotChecked=0, Total=3422 [2019-11-07 04:20:20,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2019-11-07 04:20:20,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 759. [2019-11-07 04:20:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2019-11-07 04:20:20,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 910 transitions. [2019-11-07 04:20:20,544 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 910 transitions. Word has length 148 [2019-11-07 04:20:20,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:20,547 INFO L462 AbstractCegarLoop]: Abstraction has 759 states and 910 transitions. [2019-11-07 04:20:20,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-11-07 04:20:20,548 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 910 transitions. [2019-11-07 04:20:20,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-07 04:20:20,556 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:20,556 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:20,556 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:20,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:20,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1817497414, now seen corresponding path program 1 times [2019-11-07 04:20:20,557 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:20,558 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931837268] [2019-11-07 04:20:20,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:20,797 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931837268] [2019-11-07 04:20:20,797 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454958132] [2019-11-07 04:20:20,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:20:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:21,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 2632 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:20:21,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:20:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:21,576 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:20:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:20:21,824 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [800345837] [2019-11-07 04:20:21,854 INFO L159 IcfgInterpreter]: Started Sifa with 143 locations of interest [2019-11-07 04:20:21,855 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:20:21,862 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:20:21,869 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:20:21,870 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs