/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_spec6_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:23:53,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:23:53,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:23:53,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:23:53,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:23:53,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:23:53,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:23:53,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:23:53,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:23:53,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:23:53,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:23:53,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:23:53,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:23:53,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:23:53,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:23:53,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:23:53,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:23:53,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:23:53,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:23:53,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:23:53,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:23:53,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:23:53,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:23:53,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:23:53,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:23:53,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:23:53,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:23:53,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:23:53,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:23:53,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:23:53,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:23:53,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:23:53,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:23:53,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:23:53,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:23:53,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:23:53,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:23:53,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:23:53,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:23:53,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:23:53,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:23:53,393 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 04:23:53,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:23:53,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:23:53,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:23:53,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:23:53,408 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:23:53,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:23:53,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:23:53,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:23:53,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:23:53,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:23:53,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:23:53,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:23:53,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:23:53,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:23:53,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:23:53,411 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:23:53,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:23:53,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:23:53,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:23:53,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:23:53,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:23:53,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:23:53,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:23:53,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:23:53,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:23:53,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:23:53,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:23:53,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:23:53,413 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 04:23:53,725 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:23:53,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:23:53,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:23:53,744 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:23:53,744 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:23:53,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product35.cil.c [2019-11-07 04:23:53,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039e2fe05/4f09aeed79f742bb85ea1b0c73197fe8/FLAGf3e7f6eb7 [2019-11-07 04:23:54,516 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:23:54,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product35.cil.c [2019-11-07 04:23:54,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039e2fe05/4f09aeed79f742bb85ea1b0c73197fe8/FLAGf3e7f6eb7 [2019-11-07 04:23:54,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039e2fe05/4f09aeed79f742bb85ea1b0c73197fe8 [2019-11-07 04:23:54,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:23:54,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:23:54,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:23:54,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:23:54,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:23:54,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:23:54" (1/1) ... [2019-11-07 04:23:54,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c96835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:54, skipping insertion in model container [2019-11-07 04:23:54,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:23:54" (1/1) ... [2019-11-07 04:23:54,715 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:23:54,798 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:23:55,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:23:55,636 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:23:55,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:23:55,947 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:23:55,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:55 WrapperNode [2019-11-07 04:23:55,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:23:55,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:23:55,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:23:55,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:23:55,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:55" (1/1) ... [2019-11-07 04:23:55,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:55" (1/1) ... [2019-11-07 04:23:56,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:55" (1/1) ... [2019-11-07 04:23:56,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:55" (1/1) ... [2019-11-07 04:23:56,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:55" (1/1) ... [2019-11-07 04:23:56,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:55" (1/1) ... [2019-11-07 04:23:56,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:55" (1/1) ... [2019-11-07 04:23:56,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:23:56,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:23:56,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:23:56,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:23:56,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:55" (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 04:23:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:23:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:23:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:23:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:23:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:23:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:23:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:23:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:23:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:23:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-07 04:23:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:23:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:23:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:23:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:23:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:23:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:23:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:23:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:23:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:23:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:23:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:23:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:23:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:23:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:23:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:23:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:23:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:23:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:23:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:23:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:23:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:23:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:23:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:23:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:23:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:23:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:23:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:23:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:23:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:23:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:23:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:23:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:23:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:23:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:23:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:23:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:23:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:23:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:23:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:23:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-11-07 04:23:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-11-07 04:23:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:23:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:23:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:23:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-07 04:23:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:23:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:23:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:23:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:23:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:23:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:23:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:23:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:23:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:23:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:23:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:23:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:23:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:23:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:23:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:23:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:23:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:23:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:23:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:23:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:23:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:23:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:23:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:23:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:23:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:23:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:23:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:23:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:23:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:23:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:23:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:23:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:23:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:23:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:23:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:23:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:23:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:23:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:23:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:23:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:23:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:23:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:23:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:23:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:23:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:23:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:23:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:23:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:23:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:23:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:23:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:23:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:23:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:23:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:23:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:23:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:23:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:23:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:23:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:23:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:23:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:23:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:23:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:23:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:23:56,259 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:23:56,259 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:23:56,259 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:23:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:23:56,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:23:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:23:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:23:56,261 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:23:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:23:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:23:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:23:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:23:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:23:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:23:56,264 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:23:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:23:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:23:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:23:56,268 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:23:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:23:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:23:56,269 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:23:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:23:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:23:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:23:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:23:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:23:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:23:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:23:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:23:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:23:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:23:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:23:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:23:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:23:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:23:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:23:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:23:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:23:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:23:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:23:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:23:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:23:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:23:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:23:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:23:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:23:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:23:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:23:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-11-07 04:23:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:23:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:23:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:23:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:23:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-07 04:23:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:23:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:23:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:23:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-11-07 04:23:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:23:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:23:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:23:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:23:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:23:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:23:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:23:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:23:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:23:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:23:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:23:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:23:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:23:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:23:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:23:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:23:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:23:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:23:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:23:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:23:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:23:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:23:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:23:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:23:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:23:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:23:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:23:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:23:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:23:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:23:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:23:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:23:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:23:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:23:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:23:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:23:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:23:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:23:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:23:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:23:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:23:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:23:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:23:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-07 04:23:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:23:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:23:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:23:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:23:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:23:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:23:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:23:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:23:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:23:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:23:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:23:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:23:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:23:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:23:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:23:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:23:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:23:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:23:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:23:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:23:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:23:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:23:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:23:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:23:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:23:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:23:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:23:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:23:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:23:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:23:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:23:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:23:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:23:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:23:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:23:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:23:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:24:01,851 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:24:01,852 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:24:01,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:01 BoogieIcfgContainer [2019-11-07 04:24:01,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:24:01,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:24:01,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:24:01,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:24:01,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:23:54" (1/3) ... [2019-11-07 04:24:01,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b76362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:01, skipping insertion in model container [2019-11-07 04:24:01,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:55" (2/3) ... [2019-11-07 04:24:01,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b76362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:01, skipping insertion in model container [2019-11-07 04:24:01,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:01" (3/3) ... [2019-11-07 04:24:01,869 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product35.cil.c [2019-11-07 04:24:01,883 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:24:01,893 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:24:01,905 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:24:01,944 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:24:01,944 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:24:01,944 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:24:01,944 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:24:01,944 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:24:01,945 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:24:01,945 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:24:01,945 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:24:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states. [2019-11-07 04:24:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-07 04:24:02,018 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:02,020 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:24:02,022 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:02,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:02,028 INFO L82 PathProgramCache]: Analyzing trace with hash -823884471, now seen corresponding path program 1 times [2019-11-07 04:24:02,038 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:02,038 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775576383] [2019-11-07 04:24:02,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:02,700 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:24:02,701 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775576383] [2019-11-07 04:24:02,702 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:02,702 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:24:02,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710290752] [2019-11-07 04:24:02,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:24:02,709 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:02,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:24:02,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:24:02,727 INFO L87 Difference]: Start difference. First operand 486 states. Second operand 2 states. [2019-11-07 04:24:02,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:02,799 INFO L93 Difference]: Finished difference Result 747 states and 894 transitions. [2019-11-07 04:24:02,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:24:02,801 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-11-07 04:24:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:02,822 INFO L225 Difference]: With dead ends: 747 [2019-11-07 04:24:02,822 INFO L226 Difference]: Without dead ends: 459 [2019-11-07 04:24:02,830 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 04:24:02,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2019-11-07 04:24:02,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2019-11-07 04:24:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-11-07 04:24:02,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 544 transitions. [2019-11-07 04:24:02,922 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 544 transitions. Word has length 154 [2019-11-07 04:24:02,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:02,924 INFO L462 AbstractCegarLoop]: Abstraction has 459 states and 544 transitions. [2019-11-07 04:24:02,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:24:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 544 transitions. [2019-11-07 04:24:02,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-07 04:24:02,929 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:02,930 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:24:02,930 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:02,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:02,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1265004974, now seen corresponding path program 1 times [2019-11-07 04:24:02,931 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:02,931 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867506683] [2019-11-07 04:24:02,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:24:03,275 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867506683] [2019-11-07 04:24:03,275 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:03,275 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:24:03,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863740741] [2019-11-07 04:24:03,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:24:03,279 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:03,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:24:03,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:24:03,280 INFO L87 Difference]: Start difference. First operand 459 states and 544 transitions. Second operand 3 states. [2019-11-07 04:24:03,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:03,342 INFO L93 Difference]: Finished difference Result 732 states and 861 transitions. [2019-11-07 04:24:03,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:24:03,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-11-07 04:24:03,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:03,349 INFO L225 Difference]: With dead ends: 732 [2019-11-07 04:24:03,349 INFO L226 Difference]: Without dead ends: 461 [2019-11-07 04:24:03,351 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 04:24:03,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-11-07 04:24:03,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2019-11-07 04:24:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2019-11-07 04:24:03,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 546 transitions. [2019-11-07 04:24:03,400 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 546 transitions. Word has length 155 [2019-11-07 04:24:03,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:03,401 INFO L462 AbstractCegarLoop]: Abstraction has 461 states and 546 transitions. [2019-11-07 04:24:03,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:24:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 546 transitions. [2019-11-07 04:24:03,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-07 04:24:03,408 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:03,408 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:24:03,411 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:03,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:03,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1464848670, now seen corresponding path program 1 times [2019-11-07 04:24:03,412 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:03,412 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527758581] [2019-11-07 04:24:03,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:24:03,665 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527758581] [2019-11-07 04:24:03,665 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:03,665 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:24:03,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81847297] [2019-11-07 04:24:03,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:24:03,668 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:03,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:24:03,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:24:03,669 INFO L87 Difference]: Start difference. First operand 461 states and 546 transitions. Second operand 3 states. [2019-11-07 04:24:03,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:03,751 INFO L93 Difference]: Finished difference Result 908 states and 1105 transitions. [2019-11-07 04:24:03,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:24:03,755 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-11-07 04:24:03,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:03,766 INFO L225 Difference]: With dead ends: 908 [2019-11-07 04:24:03,767 INFO L226 Difference]: Without dead ends: 505 [2019-11-07 04:24:03,770 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 04:24:03,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-11-07 04:24:03,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 504. [2019-11-07 04:24:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2019-11-07 04:24:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 620 transitions. [2019-11-07 04:24:03,855 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 620 transitions. Word has length 167 [2019-11-07 04:24:03,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:03,858 INFO L462 AbstractCegarLoop]: Abstraction has 504 states and 620 transitions. [2019-11-07 04:24:03,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:24:03,859 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 620 transitions. [2019-11-07 04:24:03,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-07 04:24:03,867 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:03,867 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:24:03,867 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:03,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:03,868 INFO L82 PathProgramCache]: Analyzing trace with hash -418260284, now seen corresponding path program 1 times [2019-11-07 04:24:03,869 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:03,869 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51813979] [2019-11-07 04:24:03,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:24:04,802 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51813979] [2019-11-07 04:24:04,802 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:04,802 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-11-07 04:24:04,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920595093] [2019-11-07 04:24:04,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-11-07 04:24:04,804 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:04,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-11-07 04:24:04,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2019-11-07 04:24:04,805 INFO L87 Difference]: Start difference. First operand 504 states and 620 transitions. Second operand 26 states. [2019-11-07 04:24:18,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:18,333 INFO L93 Difference]: Finished difference Result 1504 states and 1848 transitions. [2019-11-07 04:24:18,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-11-07 04:24:18,334 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 168 [2019-11-07 04:24:18,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:18,346 INFO L225 Difference]: With dead ends: 1504 [2019-11-07 04:24:18,347 INFO L226 Difference]: Without dead ends: 1237 [2019-11-07 04:24:18,349 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=294, Invalid=2898, Unknown=0, NotChecked=0, Total=3192 [2019-11-07 04:24:18,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2019-11-07 04:24:18,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1224. [2019-11-07 04:24:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1224 states. [2019-11-07 04:24:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1485 transitions. [2019-11-07 04:24:18,458 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1485 transitions. Word has length 168 [2019-11-07 04:24:18,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:18,462 INFO L462 AbstractCegarLoop]: Abstraction has 1224 states and 1485 transitions. [2019-11-07 04:24:18,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-11-07 04:24:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1485 transitions. [2019-11-07 04:24:18,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-07 04:24:18,473 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:18,473 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:24:18,474 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:18,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:18,474 INFO L82 PathProgramCache]: Analyzing trace with hash -885800308, now seen corresponding path program 1 times [2019-11-07 04:24:18,474 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:18,475 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683723667] [2019-11-07 04:24:18,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:24:19,008 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683723667] [2019-11-07 04:24:19,008 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:19,008 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-11-07 04:24:19,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881685702] [2019-11-07 04:24:19,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-07 04:24:19,010 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:19,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-07 04:24:19,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2019-11-07 04:24:19,011 INFO L87 Difference]: Start difference. First operand 1224 states and 1485 transitions. Second operand 16 states. [2019-11-07 04:24:26,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:26,971 INFO L93 Difference]: Finished difference Result 2857 states and 3468 transitions. [2019-11-07 04:24:26,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-07 04:24:26,972 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 174 [2019-11-07 04:24:26,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:26,988 INFO L225 Difference]: With dead ends: 2857 [2019-11-07 04:24:26,989 INFO L226 Difference]: Without dead ends: 2352 [2019-11-07 04:24:26,992 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=731, Unknown=0, NotChecked=0, Total=870 [2019-11-07 04:24:26,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2352 states. [2019-11-07 04:24:27,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2352 to 2304. [2019-11-07 04:24:27,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2304 states. [2019-11-07 04:24:27,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 2785 transitions. [2019-11-07 04:24:27,235 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 2785 transitions. Word has length 174 [2019-11-07 04:24:27,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:27,238 INFO L462 AbstractCegarLoop]: Abstraction has 2304 states and 2785 transitions. [2019-11-07 04:24:27,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-07 04:24:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2785 transitions. [2019-11-07 04:24:27,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-11-07 04:24:27,243 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:27,244 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:27,244 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:27,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:27,244 INFO L82 PathProgramCache]: Analyzing trace with hash 277277250, now seen corresponding path program 1 times [2019-11-07 04:24:27,245 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:27,245 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448582989] [2019-11-07 04:24:27,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:24:27,435 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448582989] [2019-11-07 04:24:27,436 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:27,437 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:24:27,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321563929] [2019-11-07 04:24:27,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:24:27,438 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:27,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:24:27,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:24:27,438 INFO L87 Difference]: Start difference. First operand 2304 states and 2785 transitions. Second operand 3 states. [2019-11-07 04:24:27,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:27,548 INFO L93 Difference]: Finished difference Result 4668 states and 5712 transitions. [2019-11-07 04:24:27,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:24:27,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-11-07 04:24:27,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:27,565 INFO L225 Difference]: With dead ends: 4668 [2019-11-07 04:24:27,565 INFO L226 Difference]: Without dead ends: 2422 [2019-11-07 04:24:27,575 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 04:24:27,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2019-11-07 04:24:27,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2420. [2019-11-07 04:24:27,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2420 states. [2019-11-07 04:24:27,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 2985 transitions. [2019-11-07 04:24:27,725 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 2985 transitions. Word has length 189 [2019-11-07 04:24:27,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:27,726 INFO L462 AbstractCegarLoop]: Abstraction has 2420 states and 2985 transitions. [2019-11-07 04:24:27,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:24:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 2985 transitions. [2019-11-07 04:24:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-07 04:24:27,735 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:27,735 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:27,735 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:27,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:27,736 INFO L82 PathProgramCache]: Analyzing trace with hash 561266436, now seen corresponding path program 1 times [2019-11-07 04:24:27,736 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:27,737 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043685694] [2019-11-07 04:24:27,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:27,993 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:24:27,994 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043685694] [2019-11-07 04:24:27,994 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:27,994 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:24:27,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044789068] [2019-11-07 04:24:27,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:24:27,996 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:27,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:24:27,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:24:27,997 INFO L87 Difference]: Start difference. First operand 2420 states and 2985 transitions. Second operand 3 states. [2019-11-07 04:24:28,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:28,154 INFO L93 Difference]: Finished difference Result 5007 states and 6297 transitions. [2019-11-07 04:24:28,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:24:28,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-11-07 04:24:28,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:28,178 INFO L225 Difference]: With dead ends: 5007 [2019-11-07 04:24:28,178 INFO L226 Difference]: Without dead ends: 2645 [2019-11-07 04:24:28,193 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 04:24:28,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2019-11-07 04:24:28,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2643. [2019-11-07 04:24:28,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2643 states. [2019-11-07 04:24:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 3367 transitions. [2019-11-07 04:24:28,465 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 3367 transitions. Word has length 190 [2019-11-07 04:24:28,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:28,466 INFO L462 AbstractCegarLoop]: Abstraction has 2643 states and 3367 transitions. [2019-11-07 04:24:28,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:24:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3367 transitions. [2019-11-07 04:24:28,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-07 04:24:28,472 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:28,472 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:28,473 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:28,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:28,473 INFO L82 PathProgramCache]: Analyzing trace with hash 30382114, now seen corresponding path program 1 times [2019-11-07 04:24:28,473 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:28,474 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224711916] [2019-11-07 04:24:28,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 04:24:29,040 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224711916] [2019-11-07 04:24:29,041 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044826780] [2019-11-07 04:24:29,041 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 04:24:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:29,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 3307 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:24:29,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:24:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:24:30,058 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:24:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:24:30,393 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1387939790] [2019-11-07 04:24:30,433 INFO L159 IcfgInterpreter]: Started Sifa with 176 locations of interest [2019-11-07 04:24:30,433 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:24:30,442 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:24:30,448 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:24:30,448 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs