/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_spec7_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:25:15,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:25:15,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:25:15,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:25:15,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:25:15,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:25:15,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:25:15,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:25:15,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:25:15,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:25:15,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:25:15,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:25:15,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:25:15,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:25:15,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:25:15,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:25:15,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:25:15,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:25:15,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:25:15,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:25:15,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:25:15,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:25:15,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:25:15,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:25:15,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:25:15,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:25:15,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:25:15,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:25:15,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:25:15,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:25:15,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:25:15,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:25:15,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:25:15,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:25:15,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:25:15,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:25:15,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:25:15,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:25:15,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:25:15,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:25:15,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:25:15,620 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 04:25:15,634 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:25:15,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:25:15,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:25:15,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:25:15,636 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:25:15,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:25:15,636 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:25:15,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:25:15,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:25:15,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:25:15,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:25:15,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:25:15,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:25:15,638 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:25:15,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:25:15,638 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:25:15,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:25:15,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:25:15,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:25:15,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:25:15,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:25:15,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:25:15,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:25:15,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:25:15,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:25:15,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:25:15,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:25:15,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:25:15,641 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 04:25:15,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:25:15,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:25:15,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:25:15,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:25:15,993 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:25:15,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_productSimulator.cil.c [2019-11-07 04:25:16,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaee9e2dc/c7c40743973143f592fb4f1f0095e4c4/FLAG35a9a0035 [2019-11-07 04:25:16,751 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:25:16,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_productSimulator.cil.c [2019-11-07 04:25:16,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaee9e2dc/c7c40743973143f592fb4f1f0095e4c4/FLAG35a9a0035 [2019-11-07 04:25:16,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaee9e2dc/c7c40743973143f592fb4f1f0095e4c4 [2019-11-07 04:25:16,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:25:16,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:25:16,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:25:16,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:25:16,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:25:16,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:25:16" (1/1) ... [2019-11-07 04:25:16,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48496e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:16, skipping insertion in model container [2019-11-07 04:25:16,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:25:16" (1/1) ... [2019-11-07 04:25:16,947 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:25:17,042 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:25:18,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:25:18,094 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:25:18,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:25:18,494 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:25:18,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:18 WrapperNode [2019-11-07 04:25:18,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:25:18,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:25:18,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:25:18,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:25:18,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:18" (1/1) ... [2019-11-07 04:25:18,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:18" (1/1) ... [2019-11-07 04:25:18,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:18" (1/1) ... [2019-11-07 04:25:18,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:18" (1/1) ... [2019-11-07 04:25:18,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:18" (1/1) ... [2019-11-07 04:25:18,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:18" (1/1) ... [2019-11-07 04:25:18,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:18" (1/1) ... [2019-11-07 04:25:18,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:25:18,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:25:18,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:25:18,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:25:18,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:18" (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 04:25:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:25:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:25:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:25:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:25:18,810 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-11-07 04:25:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-11-07 04:25:18,812 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-11-07 04:25:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-11-07 04:25:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-11-07 04:25:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-11-07 04:25:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:25:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:25:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-11-07 04:25:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-11-07 04:25:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-11-07 04:25:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-11-07 04:25:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-11-07 04:25:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-11-07 04:25:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-11-07 04:25:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-11-07 04:25:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:25:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:25:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:25:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:25:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:25:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:25:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:25:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:25:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:25:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:25:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:25:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:25:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:25:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:25:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:25:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:25:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:25:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:25:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:25:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:25:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:25:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:25:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:25:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:25:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:25:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:25:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:25:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:25:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:25:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:25:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:25:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:25:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:25:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:25:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:25:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-11-07 04:25:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-11-07 04:25:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:25:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-11-07 04:25:18,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-11-07 04:25:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:25:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-11-07 04:25:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-11-07 04:25:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:25:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:25:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:25:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:25:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:25:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:25:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:25:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:25:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:25:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:25:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:25:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:25:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:25:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:25:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:25:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:25:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:25:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-11-07 04:25:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-11-07 04:25:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-11-07 04:25:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-11-07 04:25:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-11-07 04:25:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-11-07 04:25:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-11-07 04:25:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:25:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-11-07 04:25:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-11-07 04:25:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:25:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:25:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:25:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:25:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:25:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:25:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:25:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:25:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:25:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:25:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:25:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:25:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:25:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:25:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:25:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:25:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:25:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:25:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:25:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:25:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:25:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:25:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:25:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:25:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:25:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:25:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:25:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:25:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:25:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:25:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:25:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:25:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:25:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:25:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:25:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:25:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:25:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:25:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:25:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:25:18,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:25:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:25:18,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:25:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:25:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:25:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:25:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:25:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:25:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:25:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:25:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:25:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:25:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:25:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:25:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:25:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:25:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:25:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:25:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:25:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:25:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:25:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:25:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:25:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:25:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:25:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:25:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:25:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:25:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:25:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:25:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:25:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:25:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:25:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:25:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:25:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:25:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:25:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:25:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:25:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:25:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:25:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:25:18,861 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:25:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:25:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:25:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:25:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:25:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:25:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:25:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:25:18,862 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:25:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:25:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-11-07 04:25:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-11-07 04:25:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-11-07 04:25:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-11-07 04:25:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-11-07 04:25:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-11-07 04:25:18,863 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-11-07 04:25:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-11-07 04:25:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-11-07 04:25:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-11-07 04:25:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-11-07 04:25:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-11-07 04:25:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-11-07 04:25:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-11-07 04:25:18,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-11-07 04:25:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:25:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:25:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:25:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:25:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:25:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:25:18,865 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:25:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:25:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:25:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:25:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:25:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:25:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:25:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:25:18,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:25:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:25:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:25:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:25:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:25:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:25:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:25:18,867 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:25:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:25:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:25:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:25:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:25:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:25:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:25:18,868 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:25:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:25:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:25:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:25:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:25:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:25:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:25:18,869 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:25:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:25:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:25:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:25:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:25:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:25:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:25:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-11-07 04:25:18,870 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-11-07 04:25:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-11-07 04:25:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-11-07 04:25:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-11-07 04:25:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-11-07 04:25:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:25:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:25:18,871 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-11-07 04:25:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-11-07 04:25:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-11-07 04:25:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-11-07 04:25:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-11-07 04:25:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-11-07 04:25:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-11-07 04:25:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-11-07 04:25:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:25:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:25:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:25:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:25:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:25:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:25:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:25:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:25:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:25:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:25:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:25:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:25:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:25:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:25:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:25:18,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:25:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:25:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:25:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:25:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:25:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:25:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:25:18,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:25:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:25:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:25:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:25:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:25:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:25:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:25:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:25:23,979 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:25:23,979 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:25:23,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:25:23 BoogieIcfgContainer [2019-11-07 04:25:23,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:25:23,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:25:23,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:25:23,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:25:23,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:25:16" (1/3) ... [2019-11-07 04:25:23,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0a045d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:25:23, skipping insertion in model container [2019-11-07 04:25:23,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:18" (2/3) ... [2019-11-07 04:25:23,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0a045d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:25:23, skipping insertion in model container [2019-11-07 04:25:23,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:25:23" (3/3) ... [2019-11-07 04:25:23,989 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_productSimulator.cil.c [2019-11-07 04:25:23,999 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:25:24,011 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:25:24,024 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:25:24,066 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:25:24,066 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:25:24,066 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:25:24,066 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:25:24,066 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:25:24,066 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:25:24,066 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:25:24,066 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:25:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states. [2019-11-07 04:25:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-07 04:25:24,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:24,129 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:25:24,131 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:24,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:24,138 INFO L82 PathProgramCache]: Analyzing trace with hash -614740504, now seen corresponding path program 1 times [2019-11-07 04:25:24,148 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:24,148 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735480812] [2019-11-07 04:25:24,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:24,862 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-07 04:25:24,863 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735480812] [2019-11-07 04:25:24,864 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:24,865 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:25:24,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404726308] [2019-11-07 04:25:24,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:25:24,874 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:24,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:25:24,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:25:24,896 INFO L87 Difference]: Start difference. First operand 603 states. Second operand 6 states. [2019-11-07 04:25:25,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:25,102 INFO L93 Difference]: Finished difference Result 1128 states and 1420 transitions. [2019-11-07 04:25:25,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:25:25,106 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2019-11-07 04:25:25,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:25,146 INFO L225 Difference]: With dead ends: 1128 [2019-11-07 04:25:25,146 INFO L226 Difference]: Without dead ends: 576 [2019-11-07 04:25:25,159 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:25:25,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-11-07 04:25:25,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-11-07 04:25:25,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-11-07 04:25:25,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 709 transitions. [2019-11-07 04:25:25,312 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 709 transitions. Word has length 159 [2019-11-07 04:25:25,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:25,315 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 709 transitions. [2019-11-07 04:25:25,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:25:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 709 transitions. [2019-11-07 04:25:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-07 04:25:25,325 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:25,325 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:25:25,325 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:25,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:25,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1382018425, now seen corresponding path program 1 times [2019-11-07 04:25:25,326 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:25,329 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684593946] [2019-11-07 04:25:25,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-07 04:25:25,523 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684593946] [2019-11-07 04:25:25,524 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:25,524 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:25:25,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740785341] [2019-11-07 04:25:25,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:25:25,542 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:25,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:25:25,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:25:25,543 INFO L87 Difference]: Start difference. First operand 576 states and 709 transitions. Second operand 4 states. [2019-11-07 04:25:26,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:26,401 INFO L93 Difference]: Finished difference Result 1112 states and 1386 transitions. [2019-11-07 04:25:26,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:25:26,402 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2019-11-07 04:25:26,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:26,407 INFO L225 Difference]: With dead ends: 1112 [2019-11-07 04:25:26,407 INFO L226 Difference]: Without dead ends: 576 [2019-11-07 04:25:26,410 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:25:26,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-11-07 04:25:26,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-11-07 04:25:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-11-07 04:25:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 703 transitions. [2019-11-07 04:25:26,440 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 703 transitions. Word has length 165 [2019-11-07 04:25:26,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:26,441 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 703 transitions. [2019-11-07 04:25:26,441 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:25:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 703 transitions. [2019-11-07 04:25:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-07 04:25:26,446 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:26,446 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:25:26,446 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:26,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:26,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1625159900, now seen corresponding path program 1 times [2019-11-07 04:25:26,447 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:26,447 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793494249] [2019-11-07 04:25:26,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-07 04:25:26,655 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793494249] [2019-11-07 04:25:26,655 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:26,656 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:25:26,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322850320] [2019-11-07 04:25:26,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:25:26,659 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:26,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:25:26,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:25:26,661 INFO L87 Difference]: Start difference. First operand 576 states and 703 transitions. Second operand 3 states. [2019-11-07 04:25:26,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:26,809 INFO L93 Difference]: Finished difference Result 1620 states and 2022 transitions. [2019-11-07 04:25:26,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:25:26,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-11-07 04:25:26,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:26,821 INFO L225 Difference]: With dead ends: 1620 [2019-11-07 04:25:26,821 INFO L226 Difference]: Without dead ends: 1084 [2019-11-07 04:25:26,824 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 04:25:26,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2019-11-07 04:25:26,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1081. [2019-11-07 04:25:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2019-11-07 04:25:26,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1336 transitions. [2019-11-07 04:25:26,927 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1336 transitions. Word has length 166 [2019-11-07 04:25:26,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:26,928 INFO L462 AbstractCegarLoop]: Abstraction has 1081 states and 1336 transitions. [2019-11-07 04:25:26,929 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:25:26,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1336 transitions. [2019-11-07 04:25:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-07 04:25:26,940 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:26,941 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:25:26,941 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:26,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:26,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1276027460, now seen corresponding path program 1 times [2019-11-07 04:25:26,942 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:26,943 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115324305] [2019-11-07 04:25:26,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:27,280 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-07 04:25:27,281 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115324305] [2019-11-07 04:25:27,281 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:27,281 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:25:27,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678866117] [2019-11-07 04:25:27,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:25:27,282 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:27,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:25:27,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:25:27,283 INFO L87 Difference]: Start difference. First operand 1081 states and 1336 transitions. Second operand 3 states. [2019-11-07 04:25:27,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:27,407 INFO L93 Difference]: Finished difference Result 1084 states and 1338 transitions. [2019-11-07 04:25:27,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:25:27,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-11-07 04:25:27,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:27,411 INFO L225 Difference]: With dead ends: 1084 [2019-11-07 04:25:27,411 INFO L226 Difference]: Without dead ends: 576 [2019-11-07 04:25:27,413 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 04:25:27,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-11-07 04:25:27,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-11-07 04:25:27,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-11-07 04:25:27,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 696 transitions. [2019-11-07 04:25:27,444 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 696 transitions. Word has length 167 [2019-11-07 04:25:27,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:27,444 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 696 transitions. [2019-11-07 04:25:27,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:25:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 696 transitions. [2019-11-07 04:25:27,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-07 04:25:27,448 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:27,449 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:27,449 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:27,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:27,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1782331571, now seen corresponding path program 1 times [2019-11-07 04:25:27,450 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:27,450 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151382381] [2019-11-07 04:25:27,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-07 04:25:27,602 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151382381] [2019-11-07 04:25:27,603 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:27,603 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:25:27,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184566733] [2019-11-07 04:25:27,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:25:27,604 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:27,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:25:27,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:25:27,605 INFO L87 Difference]: Start difference. First operand 576 states and 696 transitions. Second operand 4 states. [2019-11-07 04:25:28,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:28,374 INFO L93 Difference]: Finished difference Result 1095 states and 1322 transitions. [2019-11-07 04:25:28,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:25:28,375 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 179 [2019-11-07 04:25:28,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:28,381 INFO L225 Difference]: With dead ends: 1095 [2019-11-07 04:25:28,381 INFO L226 Difference]: Without dead ends: 581 [2019-11-07 04:25:28,383 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:25:28,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-11-07 04:25:28,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 575. [2019-11-07 04:25:28,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2019-11-07 04:25:28,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 680 transitions. [2019-11-07 04:25:28,420 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 680 transitions. Word has length 179 [2019-11-07 04:25:28,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:28,421 INFO L462 AbstractCegarLoop]: Abstraction has 575 states and 680 transitions. [2019-11-07 04:25:28,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:25:28,421 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 680 transitions. [2019-11-07 04:25:28,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-11-07 04:25:28,424 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:28,425 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:28,425 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:28,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:28,426 INFO L82 PathProgramCache]: Analyzing trace with hash 22613257, now seen corresponding path program 1 times [2019-11-07 04:25:28,426 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:28,426 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345582295] [2019-11-07 04:25:28,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:28,640 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-07 04:25:28,641 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345582295] [2019-11-07 04:25:28,642 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:28,642 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:25:28,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576299751] [2019-11-07 04:25:28,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:25:28,643 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:28,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:25:28,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:25:28,644 INFO L87 Difference]: Start difference. First operand 575 states and 680 transitions. Second operand 3 states. [2019-11-07 04:25:28,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:28,679 INFO L93 Difference]: Finished difference Result 901 states and 1060 transitions. [2019-11-07 04:25:28,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:25:28,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-11-07 04:25:28,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:28,684 INFO L225 Difference]: With dead ends: 901 [2019-11-07 04:25:28,684 INFO L226 Difference]: Without dead ends: 577 [2019-11-07 04:25:28,686 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 04:25:28,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-11-07 04:25:28,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-11-07 04:25:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-11-07 04:25:28,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 682 transitions. [2019-11-07 04:25:28,715 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 682 transitions. Word has length 200 [2019-11-07 04:25:28,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:28,715 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 682 transitions. [2019-11-07 04:25:28,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:25:28,718 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 682 transitions. [2019-11-07 04:25:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-11-07 04:25:28,721 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:28,722 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:28,722 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:28,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:28,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1533206705, now seen corresponding path program 1 times [2019-11-07 04:25:28,722 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:28,723 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770624803] [2019-11-07 04:25:28,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-07 04:25:28,965 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770624803] [2019-11-07 04:25:28,965 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:28,965 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:25:28,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691740473] [2019-11-07 04:25:28,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:25:28,967 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:28,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:25:28,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:25:28,968 INFO L87 Difference]: Start difference. First operand 577 states and 682 transitions. Second operand 3 states. [2019-11-07 04:25:29,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:29,015 INFO L93 Difference]: Finished difference Result 1098 states and 1331 transitions. [2019-11-07 04:25:29,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:25:29,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2019-11-07 04:25:29,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:29,021 INFO L225 Difference]: With dead ends: 1098 [2019-11-07 04:25:29,021 INFO L226 Difference]: Without dead ends: 631 [2019-11-07 04:25:29,026 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 04:25:29,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2019-11-07 04:25:29,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 630. [2019-11-07 04:25:29,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2019-11-07 04:25:29,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 769 transitions. [2019-11-07 04:25:29,084 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 769 transitions. Word has length 207 [2019-11-07 04:25:29,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:29,086 INFO L462 AbstractCegarLoop]: Abstraction has 630 states and 769 transitions. [2019-11-07 04:25:29,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:25:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 769 transitions. [2019-11-07 04:25:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-07 04:25:29,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:29,093 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:29,093 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:29,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:29,094 INFO L82 PathProgramCache]: Analyzing trace with hash -918438714, now seen corresponding path program 1 times [2019-11-07 04:25:29,094 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:29,094 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409280589] [2019-11-07 04:25:29,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-07 04:25:29,450 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409280589] [2019-11-07 04:25:29,451 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:29,451 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 04:25:29,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956401779] [2019-11-07 04:25:29,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 04:25:29,453 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:29,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 04:25:29,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:25:29,454 INFO L87 Difference]: Start difference. First operand 630 states and 769 transitions. Second operand 9 states. [2019-11-07 04:25:29,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:29,834 INFO L93 Difference]: Finished difference Result 637 states and 778 transitions. [2019-11-07 04:25:29,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:25:29,834 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2019-11-07 04:25:29,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:29,838 INFO L225 Difference]: With dead ends: 637 [2019-11-07 04:25:29,839 INFO L226 Difference]: Without dead ends: 634 [2019-11-07 04:25:29,840 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-11-07 04:25:29,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2019-11-07 04:25:29,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2019-11-07 04:25:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2019-11-07 04:25:29,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 775 transitions. [2019-11-07 04:25:29,870 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 775 transitions. Word has length 208 [2019-11-07 04:25:29,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:29,871 INFO L462 AbstractCegarLoop]: Abstraction has 634 states and 775 transitions. [2019-11-07 04:25:29,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 04:25:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 775 transitions. [2019-11-07 04:25:29,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-11-07 04:25:29,876 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:29,876 INFO L410 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:29,876 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:29,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:29,877 INFO L82 PathProgramCache]: Analyzing trace with hash 459656183, now seen corresponding path program 1 times [2019-11-07 04:25:29,877 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:29,877 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266958895] [2019-11-07 04:25:29,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:30,156 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-07 04:25:30,157 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266958895] [2019-11-07 04:25:30,158 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:30,158 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 04:25:30,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991556303] [2019-11-07 04:25:30,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 04:25:30,162 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:30,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 04:25:30,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:25:30,163 INFO L87 Difference]: Start difference. First operand 634 states and 775 transitions. Second operand 4 states. [2019-11-07 04:25:31,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:31,365 INFO L93 Difference]: Finished difference Result 1780 states and 2234 transitions. [2019-11-07 04:25:31,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 04:25:31,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 214 [2019-11-07 04:25:31,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:31,371 INFO L225 Difference]: With dead ends: 1780 [2019-11-07 04:25:31,371 INFO L226 Difference]: Without dead ends: 628 [2019-11-07 04:25:31,375 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 04:25:31,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2019-11-07 04:25:31,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2019-11-07 04:25:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-11-07 04:25:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 758 transitions. [2019-11-07 04:25:31,406 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 758 transitions. Word has length 214 [2019-11-07 04:25:31,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:31,407 INFO L462 AbstractCegarLoop]: Abstraction has 628 states and 758 transitions. [2019-11-07 04:25:31,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 04:25:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 758 transitions. [2019-11-07 04:25:31,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-11-07 04:25:31,411 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:31,412 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:31,412 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:31,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:31,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1554749411, now seen corresponding path program 1 times [2019-11-07 04:25:31,413 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:31,413 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856048019] [2019-11-07 04:25:31,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-11-07 04:25:31,644 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856048019] [2019-11-07 04:25:31,645 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:31,645 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:25:31,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485208728] [2019-11-07 04:25:31,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:25:31,648 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:31,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:25:31,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:25:31,649 INFO L87 Difference]: Start difference. First operand 628 states and 758 transitions. Second operand 3 states. [2019-11-07 04:25:31,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:31,767 INFO L93 Difference]: Finished difference Result 1213 states and 1481 transitions. [2019-11-07 04:25:31,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:25:31,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2019-11-07 04:25:31,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:31,772 INFO L225 Difference]: With dead ends: 1213 [2019-11-07 04:25:31,772 INFO L226 Difference]: Without dead ends: 627 [2019-11-07 04:25:31,779 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 04:25:31,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-11-07 04:25:31,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2019-11-07 04:25:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2019-11-07 04:25:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 754 transitions. [2019-11-07 04:25:31,816 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 754 transitions. Word has length 227 [2019-11-07 04:25:31,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:31,817 INFO L462 AbstractCegarLoop]: Abstraction has 627 states and 754 transitions. [2019-11-07 04:25:31,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:25:31,817 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 754 transitions. [2019-11-07 04:25:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-07 04:25:31,821 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:31,821 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:31,821 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:31,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:31,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1578381214, now seen corresponding path program 1 times [2019-11-07 04:25:31,822 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:31,822 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302414857] [2019-11-07 04:25:31,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-07 04:25:32,957 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302414857] [2019-11-07 04:25:32,958 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:32,958 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2019-11-07 04:25:32,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990132925] [2019-11-07 04:25:32,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-11-07 04:25:32,959 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:32,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-11-07 04:25:32,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1455, Unknown=0, NotChecked=0, Total=1560 [2019-11-07 04:25:32,960 INFO L87 Difference]: Start difference. First operand 627 states and 754 transitions. Second operand 40 states. [2019-11-07 04:25:51,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:51,605 INFO L93 Difference]: Finished difference Result 1353 states and 1637 transitions. [2019-11-07 04:25:51,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-11-07 04:25:51,607 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 235 [2019-11-07 04:25:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:51,613 INFO L225 Difference]: With dead ends: 1353 [2019-11-07 04:25:51,613 INFO L226 Difference]: Without dead ends: 1040 [2019-11-07 04:25:51,616 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=244, Invalid=4046, Unknown=0, NotChecked=0, Total=4290 [2019-11-07 04:25:51,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2019-11-07 04:25:51,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1025. [2019-11-07 04:25:51,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2019-11-07 04:25:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1237 transitions. [2019-11-07 04:25:51,672 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1237 transitions. Word has length 235 [2019-11-07 04:25:51,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:51,673 INFO L462 AbstractCegarLoop]: Abstraction has 1025 states and 1237 transitions. [2019-11-07 04:25:51,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-11-07 04:25:51,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1237 transitions. [2019-11-07 04:25:51,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-07 04:25:51,678 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:51,678 INFO L410 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:51,679 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:51,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:51,679 INFO L82 PathProgramCache]: Analyzing trace with hash -405827079, now seen corresponding path program 1 times [2019-11-07 04:25:51,679 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:51,680 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749189353] [2019-11-07 04:25:51,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:52,710 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-07 04:25:52,710 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749189353] [2019-11-07 04:25:52,710 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:52,710 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2019-11-07 04:25:52,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995010574] [2019-11-07 04:25:52,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-11-07 04:25:52,711 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:52,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-11-07 04:25:52,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1611, Unknown=0, NotChecked=0, Total=1722 [2019-11-07 04:25:52,712 INFO L87 Difference]: Start difference. First operand 1025 states and 1237 transitions. Second operand 42 states.