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_spec8_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:12:44,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:12:44,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:12:44,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:12:44,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:12:44,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:12:44,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:12:44,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:12:44,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:12:44,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:12:44,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:12:44,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:12:44,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:12:44,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:12:44,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:12:44,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:12:44,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:12:44,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:12:44,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:12:44,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:12:44,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:12:44,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:12:44,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:12:44,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:12:44,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:12:44,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:12:44,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:12:44,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:12:44,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:12:44,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:12:44,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:12:44,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:12:44,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:12:44,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:12:44,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:12:44,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:12:44,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:12:44,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:12:44,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:12:44,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:12:44,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:12:44,481 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 [2019-10-13 23:12:44,496 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:12:44,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:12:44,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:12:44,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:12:44,498 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:12:44,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:12:44,498 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:12:44,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:12:44,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:12:44,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:12:44,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:12:44,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:12:44,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:12:44,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:12:44,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:12:44,500 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:12:44,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:12:44,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:12:44,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:12:44,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:12:44,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:12:44,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:12:44,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:12:44,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:12:44,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:12:44,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:12:44,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:12:44,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:12:44,503 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 [2019-10-13 23:12:44,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:12:44,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:12:44,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:12:44,820 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:12:44,820 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:12:44,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product30.cil.c [2019-10-13 23:12:44,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b64e3c5/e3073b0e9e2a4552beb620a44404951f/FLAGbb54006e2 [2019-10-13 23:12:45,596 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:12:45,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product30.cil.c [2019-10-13 23:12:45,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b64e3c5/e3073b0e9e2a4552beb620a44404951f/FLAGbb54006e2 [2019-10-13 23:12:45,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b64e3c5/e3073b0e9e2a4552beb620a44404951f [2019-10-13 23:12:45,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:12:45,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:12:45,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:12:45,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:12:45,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:12:45,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:12:45" (1/1) ... [2019-10-13 23:12:45,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345a22c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:45, skipping insertion in model container [2019-10-13 23:12:45,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:12:45" (1/1) ... [2019-10-13 23:12:45,753 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:12:45,836 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:12:46,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:12:46,595 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:12:46,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:12:46,900 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:12:46,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:46 WrapperNode [2019-10-13 23:12:46,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:12:46,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:12:46,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:12:46,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:12:46,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:46" (1/1) ... [2019-10-13 23:12:46,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:46" (1/1) ... [2019-10-13 23:12:46,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:46" (1/1) ... [2019-10-13 23:12:46,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:46" (1/1) ... [2019-10-13 23:12:47,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:46" (1/1) ... [2019-10-13 23:12:47,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:46" (1/1) ... [2019-10-13 23:12:47,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:46" (1/1) ... [2019-10-13 23:12:47,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:12:47,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:12:47,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:12:47,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:12:47,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:12:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:12:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:12:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:12:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:12:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:12:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:12:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:12:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:12:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:12:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:12:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:12:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:12:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:12:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:12:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:12:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:12:47,218 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:12:47,218 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:12:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:12:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:12:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:12:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:12:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:12:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-13 23:12:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-13 23:12:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:12:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:12:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-13 23:12:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-13 23:12:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:12:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:12:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:12:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:12:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:12:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:12:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:12:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:12:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:12:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:12:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:12:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:12:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:12:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:12:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:12:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:12:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:12:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:12:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:12:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:12:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:12:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:12:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:12:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:12:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:12:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:12:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:12:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:12:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:12:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:12:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:12:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:12:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:12:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:12:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:12:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:12:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:12:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:12:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:12:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:12:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:12:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:12:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:12:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:12:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:12:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:12:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:12:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:12:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:12:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:12:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:12:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:12:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:12:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:12:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:12:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:12:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:12:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:12:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:12:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:12:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:12:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:12:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:12:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:12:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:12:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:12:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:12:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:12:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:12:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:12:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:12:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:12:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:12:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:12:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:12:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:12:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:12:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:12:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:12:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:12:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:12:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:12:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-13 23:12:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-13 23:12:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:12:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:12:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:12:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:12:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:12:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:12:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:12:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:12:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:12:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:12:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:12:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:12:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:12:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:12:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-13 23:12:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-13 23:12:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:12:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:12:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:12:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:12:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:12:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:12:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:12:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:12:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:12:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:12:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:12:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:12:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:12:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:12:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:12:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:12:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:12:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:12:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:12:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:12:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:12:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:12:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:12:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:12:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:12:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:12:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:12:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:12:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:12:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:12:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:12:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:12:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:12:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:12:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:12:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:12:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:12:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:12:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:12:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:12:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:12:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:12:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:12:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:12:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:12:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:12:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:12:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:12:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:12:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:12:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:12:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:12:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:12:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:12:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:12:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:12:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:12:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:12:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:12:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:12:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:12:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:12:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:12:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:12:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:12:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:12:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:12:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:12:52,124 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:12:52,125 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:12:52,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:12:52 BoogieIcfgContainer [2019-10-13 23:12:52,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:12:52,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:12:52,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:12:52,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:12:52,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:12:45" (1/3) ... [2019-10-13 23:12:52,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17180f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:12:52, skipping insertion in model container [2019-10-13 23:12:52,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:12:46" (2/3) ... [2019-10-13 23:12:52,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17180f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:12:52, skipping insertion in model container [2019-10-13 23:12:52,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:12:52" (3/3) ... [2019-10-13 23:12:52,136 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product30.cil.c [2019-10-13 23:12:52,146 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:12:52,219 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:12:52,232 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:12:52,277 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:12:52,278 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:12:52,278 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:12:52,278 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:12:52,278 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:12:52,278 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:12:52,278 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:12:52,278 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:12:52,307 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states. [2019-10-13 23:12:52,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-13 23:12:52,324 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:52,325 INFO L380 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] [2019-10-13 23:12:52,328 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:52,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:52,334 INFO L82 PathProgramCache]: Analyzing trace with hash 994637482, now seen corresponding path program 1 times [2019-10-13 23:12:52,343 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:52,344 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139520893] [2019-10-13 23:12:52,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:52,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:52,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:52,885 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:12:52,885 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139520893] [2019-10-13 23:12:52,886 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:52,887 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:12:52,887 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855823927] [2019-10-13 23:12:52,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:12:52,895 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:52,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:12:52,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:12:52,913 INFO L87 Difference]: Start difference. First operand 402 states. Second operand 2 states. [2019-10-13 23:12:52,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:52,989 INFO L93 Difference]: Finished difference Result 570 states and 674 transitions. [2019-10-13 23:12:52,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:12:52,993 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-13 23:12:52,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:53,033 INFO L225 Difference]: With dead ends: 570 [2019-10-13 23:12:53,033 INFO L226 Difference]: Without dead ends: 360 [2019-10-13 23:12:53,046 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:12:53,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2019-10-13 23:12:53,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2019-10-13 23:12:53,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-10-13 23:12:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 425 transitions. [2019-10-13 23:12:53,172 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 425 transitions. Word has length 125 [2019-10-13 23:12:53,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:53,174 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 425 transitions. [2019-10-13 23:12:53,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:12:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 425 transitions. [2019-10-13 23:12:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-13 23:12:53,180 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:53,180 INFO L380 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] [2019-10-13 23:12:53,180 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:53,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:53,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1181110484, now seen corresponding path program 1 times [2019-10-13 23:12:53,181 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:53,181 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964901565] [2019-10-13 23:12:53,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:53,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:53,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:12:53,461 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964901565] [2019-10-13 23:12:53,461 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:53,461 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:12:53,462 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185224465] [2019-10-13 23:12:53,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:12:53,465 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:53,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:12:53,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:53,466 INFO L87 Difference]: Start difference. First operand 360 states and 425 transitions. Second operand 3 states. [2019-10-13 23:12:53,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:53,558 INFO L93 Difference]: Finished difference Result 555 states and 645 transitions. [2019-10-13 23:12:53,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:12:53,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-13 23:12:53,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:53,567 INFO L225 Difference]: With dead ends: 555 [2019-10-13 23:12:53,567 INFO L226 Difference]: Without dead ends: 362 [2019-10-13 23:12:53,571 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:53,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2019-10-13 23:12:53,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2019-10-13 23:12:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2019-10-13 23:12:53,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 427 transitions. [2019-10-13 23:12:53,605 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 427 transitions. Word has length 126 [2019-10-13 23:12:53,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:53,606 INFO L462 AbstractCegarLoop]: Abstraction has 362 states and 427 transitions. [2019-10-13 23:12:53,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:12:53,606 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 427 transitions. [2019-10-13 23:12:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 23:12:53,611 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:53,611 INFO L380 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] [2019-10-13 23:12:53,611 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:53,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:53,612 INFO L82 PathProgramCache]: Analyzing trace with hash 151282679, now seen corresponding path program 1 times [2019-10-13 23:12:53,612 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:53,612 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127263818] [2019-10-13 23:12:53,613 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:53,613 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:53,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:12:53,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127263818] [2019-10-13 23:12:53,832 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:53,832 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:12:53,833 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334241485] [2019-10-13 23:12:53,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:12:53,836 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:53,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:12:53,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:53,836 INFO L87 Difference]: Start difference. First operand 362 states and 427 transitions. Second operand 3 states. [2019-10-13 23:12:53,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:53,876 INFO L93 Difference]: Finished difference Result 706 states and 861 transitions. [2019-10-13 23:12:53,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:12:53,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-13 23:12:53,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:53,880 INFO L225 Difference]: With dead ends: 706 [2019-10-13 23:12:53,881 INFO L226 Difference]: Without dead ends: 402 [2019-10-13 23:12:53,882 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:53,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-10-13 23:12:53,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 401. [2019-10-13 23:12:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-10-13 23:12:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 495 transitions. [2019-10-13 23:12:53,909 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 495 transitions. Word has length 135 [2019-10-13 23:12:53,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:53,910 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 495 transitions. [2019-10-13 23:12:53,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:12:53,910 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 495 transitions. [2019-10-13 23:12:53,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 23:12:53,916 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:53,916 INFO L380 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] [2019-10-13 23:12:53,916 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:53,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:53,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1935105111, now seen corresponding path program 1 times [2019-10-13 23:12:53,917 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:53,918 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965187030] [2019-10-13 23:12:53,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:53,919 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:53,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:54,134 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:12:54,135 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965187030] [2019-10-13 23:12:54,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:54,135 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:12:54,135 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689053424] [2019-10-13 23:12:54,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:12:54,137 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:54,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:12:54,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:54,137 INFO L87 Difference]: Start difference. First operand 401 states and 495 transitions. Second operand 3 states. [2019-10-13 23:12:54,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:54,196 INFO L93 Difference]: Finished difference Result 820 states and 1060 transitions. [2019-10-13 23:12:54,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:12:54,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-10-13 23:12:54,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:54,206 INFO L225 Difference]: With dead ends: 820 [2019-10-13 23:12:54,206 INFO L226 Difference]: Without dead ends: 477 [2019-10-13 23:12:54,208 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:54,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2019-10-13 23:12:54,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 476. [2019-10-13 23:12:54,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2019-10-13 23:12:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 625 transitions. [2019-10-13 23:12:54,252 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 625 transitions. Word has length 136 [2019-10-13 23:12:54,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:54,253 INFO L462 AbstractCegarLoop]: Abstraction has 476 states and 625 transitions. [2019-10-13 23:12:54,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:12:54,254 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 625 transitions. [2019-10-13 23:12:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-13 23:12:54,261 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:54,261 INFO L380 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] [2019-10-13 23:12:54,261 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:54,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:54,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1231629995, now seen corresponding path program 1 times [2019-10-13 23:12:54,262 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:54,263 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517735157] [2019-10-13 23:12:54,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:54,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:54,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:12:54,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517735157] [2019-10-13 23:12:54,429 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:54,430 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:12:54,430 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195529658] [2019-10-13 23:12:54,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:12:54,431 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:54,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:12:54,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:54,432 INFO L87 Difference]: Start difference. First operand 476 states and 625 transitions. Second operand 3 states. [2019-10-13 23:12:54,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:54,468 INFO L93 Difference]: Finished difference Result 719 states and 903 transitions. [2019-10-13 23:12:54,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:12:54,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-10-13 23:12:54,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:54,473 INFO L225 Difference]: With dead ends: 719 [2019-10-13 23:12:54,473 INFO L226 Difference]: Without dead ends: 527 [2019-10-13 23:12:54,475 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:54,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2019-10-13 23:12:54,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2019-10-13 23:12:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2019-10-13 23:12:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 675 transitions. [2019-10-13 23:12:54,505 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 675 transitions. Word has length 139 [2019-10-13 23:12:54,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:54,506 INFO L462 AbstractCegarLoop]: Abstraction has 527 states and 675 transitions. [2019-10-13 23:12:54,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:12:54,506 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 675 transitions. [2019-10-13 23:12:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-13 23:12:54,511 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:54,511 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:12:54,512 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:54,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:54,512 INFO L82 PathProgramCache]: Analyzing trace with hash 303819454, now seen corresponding path program 1 times [2019-10-13 23:12:54,512 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:54,513 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629614457] [2019-10-13 23:12:54,513 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:54,513 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:54,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-13 23:12:55,460 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629614457] [2019-10-13 23:12:55,461 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743319754] [2019-10-13 23:12:55,461 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 [2019-10-13 23:12:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:56,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 3382 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:12:56,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:12:56,383 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-13 23:12:56,383 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:12:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-13 23:12:57,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [988508691] [2019-10-13 23:12:57,221 INFO L162 IcfgInterpreter]: Started Sifa with 202 locations of interest [2019-10-13 23:12:57,222 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:12:57,229 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:12:57,236 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:12:57,237 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs