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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/email_spec6_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:16:37,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:16:37,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:16:37,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:16:37,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:16:37,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:16:37,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:16:37,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:16:37,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:16:37,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:16:37,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:16:37,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:16:37,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:16:37,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:16:37,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:16:37,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:16:37,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:16:37,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:16:37,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:16:37,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:16:37,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:16:37,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:16:37,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:16:37,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:16:37,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:16:37,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:16:37,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:16:37,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:16:37,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:16:37,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:16:37,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:16:37,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:16:37,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:16:37,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:16:37,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:16:37,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:16:37,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:16:37,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:16:37,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:16:37,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:16:37,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:16:37,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:16:37,905 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:16:37,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:16:37,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:16:37,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:16:37,906 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:16:37,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:16:37,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:16:37,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:16:37,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:16:37,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:16:37,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:16:37,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:16:37,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:16:37,908 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:16:37,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:16:37,909 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:16:37,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:16:37,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:16:37,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:16:37,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:16:37,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:16:37,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:16:37,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:16:37,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:16:37,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:16:37,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:16:37,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:16:37,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:16:37,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:16:38,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:16:38,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:16:38,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:16:38,220 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:16:38,220 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:16:38,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product35.cil.c [2019-10-15 01:16:38,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1fa90aa9/04eeeb9f3fff4074a1674963d91dfd1e/FLAG8238327ef [2019-10-15 01:16:38,964 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:16:38,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product35.cil.c [2019-10-15 01:16:39,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1fa90aa9/04eeeb9f3fff4074a1674963d91dfd1e/FLAG8238327ef [2019-10-15 01:16:39,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1fa90aa9/04eeeb9f3fff4074a1674963d91dfd1e [2019-10-15 01:16:39,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:16:39,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:16:39,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:16:39,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:16:39,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:16:39,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:16:39" (1/1) ... [2019-10-15 01:16:39,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9e1f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:39, skipping insertion in model container [2019-10-15 01:16:39,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:16:39" (1/1) ... [2019-10-15 01:16:39,155 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:16:39,239 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:16:40,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:16:40,032 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:16:40,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:16:40,348 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:16:40,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:40 WrapperNode [2019-10-15 01:16:40,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:16:40,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:16:40,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:16:40,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:16:40,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:40" (1/1) ... [2019-10-15 01:16:40,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:40" (1/1) ... [2019-10-15 01:16:40,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:40" (1/1) ... [2019-10-15 01:16:40,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:40" (1/1) ... [2019-10-15 01:16:40,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:40" (1/1) ... [2019-10-15 01:16:40,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:40" (1/1) ... [2019-10-15 01:16:40,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:40" (1/1) ... [2019-10-15 01:16:40,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:16:40,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:16:40,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:16:40,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:16:40,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:16:40,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:16:40,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:16:40,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:16:40,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 01:16:40,634 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 01:16:40,634 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 01:16:40,634 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 01:16:40,634 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 01:16:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 01:16:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 01:16:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 01:16:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 01:16:40,636 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 01:16:40,636 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 01:16:40,636 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 01:16:40,636 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 01:16:40,636 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 01:16:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 01:16:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 01:16:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 01:16:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 01:16:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 01:16:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 01:16:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 01:16:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 01:16:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 01:16:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 01:16:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 01:16:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 01:16:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 01:16:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 01:16:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 01:16:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 01:16:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 01:16:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 01:16:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:16:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:16:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 01:16:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 01:16:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 01:16:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 01:16:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 01:16:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 01:16:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 01:16:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 01:16:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 01:16:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 01:16:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 01:16:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 01:16:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-15 01:16:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-15 01:16:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:16:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 01:16:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 01:16:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 01:16:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 01:16:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 01:16:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 01:16:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 01:16:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 01:16:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:16:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 01:16:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 01:16:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 01:16:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 01:16:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 01:16:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 01:16:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 01:16:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 01:16:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 01:16:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 01:16:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 01:16:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 01:16:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 01:16:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 01:16:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 01:16:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 01:16:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 01:16:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 01:16:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 01:16:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 01:16:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 01:16:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 01:16:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 01:16:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 01:16:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 01:16:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 01:16:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 01:16:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 01:16:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 01:16:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:16:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:16:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:16:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:16:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:16:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:16:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 01:16:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 01:16:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 01:16:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 01:16:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 01:16:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 01:16:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 01:16:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 01:16:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 01:16:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 01:16:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 01:16:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 01:16:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 01:16:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 01:16:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 01:16:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 01:16:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 01:16:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 01:16:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 01:16:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 01:16:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 01:16:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 01:16:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:16:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:16:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:16:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:16:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:16:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:16:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:16:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 01:16:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 01:16:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 01:16:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 01:16:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 01:16:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 01:16:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 01:16:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 01:16:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 01:16:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 01:16:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 01:16:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 01:16:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 01:16:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 01:16:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 01:16:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 01:16:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 01:16:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 01:16:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 01:16:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 01:16:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 01:16:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 01:16:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 01:16:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 01:16:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 01:16:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 01:16:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 01:16:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 01:16:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 01:16:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 01:16:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 01:16:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 01:16:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 01:16:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 01:16:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 01:16:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 01:16:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 01:16:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 01:16:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 01:16:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 01:16:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 01:16:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 01:16:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 01:16:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-15 01:16:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:16:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 01:16:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 01:16:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 01:16:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 01:16:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 01:16:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 01:16:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 01:16:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-15 01:16:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 01:16:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 01:16:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 01:16:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 01:16:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 01:16:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 01:16:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 01:16:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 01:16:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 01:16:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 01:16:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 01:16:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:16:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:16:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:16:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 01:16:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 01:16:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 01:16:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 01:16:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 01:16:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:16:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:16:40,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:16:40,668 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 01:16:40,668 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 01:16:40,668 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 01:16:40,668 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 01:16:40,668 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 01:16:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 01:16:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 01:16:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 01:16:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 01:16:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 01:16:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 01:16:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 01:16:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 01:16:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 01:16:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 01:16:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:16:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 01:16:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 01:16:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 01:16:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 01:16:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 01:16:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 01:16:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 01:16:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 01:16:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 01:16:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 01:16:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 01:16:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 01:16:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 01:16:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 01:16:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 01:16:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 01:16:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:16:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:16:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:16:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:16:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:16:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:16:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:16:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:16:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:16:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:16:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:16:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:16:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:16:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:16:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:16:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:16:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 01:16:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 01:16:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 01:16:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 01:16:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 01:16:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 01:16:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 01:16:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:16:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:16:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:16:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:16:43,020 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:16:43,021 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 01:16:43,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:16:43 BoogieIcfgContainer [2019-10-15 01:16:43,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:16:43,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:16:43,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:16:43,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:16:43,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:16:39" (1/3) ... [2019-10-15 01:16:43,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb8a30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:16:43, skipping insertion in model container [2019-10-15 01:16:43,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:40" (2/3) ... [2019-10-15 01:16:43,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb8a30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:16:43, skipping insertion in model container [2019-10-15 01:16:43,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:16:43" (3/3) ... [2019-10-15 01:16:43,037 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product35.cil.c [2019-10-15 01:16:43,055 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:16:43,070 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:16:43,083 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:16:43,135 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:16:43,135 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:16:43,135 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:16:43,135 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:16:43,136 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:16:43,136 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:16:43,136 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:16:43,136 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:16:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states. [2019-10-15 01:16:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-10-15 01:16:43,218 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:43,221 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:43,224 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:43,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:43,231 INFO L82 PathProgramCache]: Analyzing trace with hash -711590193, now seen corresponding path program 1 times [2019-10-15 01:16:43,242 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:43,242 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541597760] [2019-10-15 01:16:43,243 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:43,243 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:43,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-15 01:16:43,950 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541597760] [2019-10-15 01:16:43,951 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:43,951 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:16:43,952 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137279231] [2019-10-15 01:16:43,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:16:43,959 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:43,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:16:43,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:16:43,977 INFO L87 Difference]: Start difference. First operand 691 states. Second operand 2 states. [2019-10-15 01:16:44,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:44,081 INFO L93 Difference]: Finished difference Result 1057 states and 1422 transitions. [2019-10-15 01:16:44,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:16:44,083 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 198 [2019-10-15 01:16:44,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:44,107 INFO L225 Difference]: With dead ends: 1057 [2019-10-15 01:16:44,108 INFO L226 Difference]: Without dead ends: 662 [2019-10-15 01:16:44,116 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:16:44,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2019-10-15 01:16:44,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2019-10-15 01:16:44,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2019-10-15 01:16:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 896 transitions. [2019-10-15 01:16:44,245 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 896 transitions. Word has length 198 [2019-10-15 01:16:44,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:44,249 INFO L462 AbstractCegarLoop]: Abstraction has 662 states and 896 transitions. [2019-10-15 01:16:44,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:16:44,250 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 896 transitions. [2019-10-15 01:16:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-15 01:16:44,259 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:44,260 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:44,260 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:44,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:44,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1780281315, now seen corresponding path program 1 times [2019-10-15 01:16:44,262 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:44,262 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097300485] [2019-10-15 01:16:44,262 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:44,262 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:44,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-15 01:16:44,645 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097300485] [2019-10-15 01:16:44,645 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:44,645 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:16:44,646 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629437053] [2019-10-15 01:16:44,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:16:44,653 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:44,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:16:44,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:44,654 INFO L87 Difference]: Start difference. First operand 662 states and 896 transitions. Second operand 3 states. [2019-10-15 01:16:44,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:44,764 INFO L93 Difference]: Finished difference Result 1040 states and 1386 transitions. [2019-10-15 01:16:44,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:16:44,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-10-15 01:16:44,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:44,776 INFO L225 Difference]: With dead ends: 1040 [2019-10-15 01:16:44,777 INFO L226 Difference]: Without dead ends: 665 [2019-10-15 01:16:44,780 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:44,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2019-10-15 01:16:44,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 664. [2019-10-15 01:16:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2019-10-15 01:16:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 898 transitions. [2019-10-15 01:16:44,833 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 898 transitions. Word has length 199 [2019-10-15 01:16:44,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:44,834 INFO L462 AbstractCegarLoop]: Abstraction has 664 states and 898 transitions. [2019-10-15 01:16:44,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:16:44,835 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 898 transitions. [2019-10-15 01:16:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-15 01:16:44,840 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:44,841 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:44,841 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:44,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:44,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1355702484, now seen corresponding path program 1 times [2019-10-15 01:16:44,842 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:44,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356053500] [2019-10-15 01:16:44,842 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:44,842 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:44,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:45,159 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-15 01:16:45,160 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356053500] [2019-10-15 01:16:45,160 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:45,160 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:16:45,160 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752963537] [2019-10-15 01:16:45,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:16:45,161 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:45,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:16:45,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:45,162 INFO L87 Difference]: Start difference. First operand 664 states and 898 transitions. Second operand 3 states. [2019-10-15 01:16:45,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:45,230 INFO L93 Difference]: Finished difference Result 1308 states and 1800 transitions. [2019-10-15 01:16:45,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:16:45,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-10-15 01:16:45,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:45,241 INFO L225 Difference]: With dead ends: 1308 [2019-10-15 01:16:45,241 INFO L226 Difference]: Without dead ends: 709 [2019-10-15 01:16:45,244 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:45,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-10-15 01:16:45,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 708. [2019-10-15 01:16:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2019-10-15 01:16:45,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 973 transitions. [2019-10-15 01:16:45,292 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 973 transitions. Word has length 211 [2019-10-15 01:16:45,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:45,294 INFO L462 AbstractCegarLoop]: Abstraction has 708 states and 973 transitions. [2019-10-15 01:16:45,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:16:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 973 transitions. [2019-10-15 01:16:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-10-15 01:16:45,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:45,302 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:45,303 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:45,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:45,303 INFO L82 PathProgramCache]: Analyzing trace with hash -211848516, now seen corresponding path program 1 times [2019-10-15 01:16:45,304 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:45,304 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224539189] [2019-10-15 01:16:45,304 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:45,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:45,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:45,557 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-15 01:16:45,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224539189] [2019-10-15 01:16:45,558 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:45,558 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:16:45,558 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978516902] [2019-10-15 01:16:45,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:16:45,560 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:45,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:16:45,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:45,561 INFO L87 Difference]: Start difference. First operand 708 states and 973 transitions. Second operand 3 states. [2019-10-15 01:16:45,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:45,606 INFO L93 Difference]: Finished difference Result 1437 states and 2020 transitions. [2019-10-15 01:16:45,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:16:45,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2019-10-15 01:16:45,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:45,615 INFO L225 Difference]: With dead ends: 1437 [2019-10-15 01:16:45,615 INFO L226 Difference]: Without dead ends: 794 [2019-10-15 01:16:45,618 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:45,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2019-10-15 01:16:45,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 793. [2019-10-15 01:16:45,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2019-10-15 01:16:45,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1117 transitions. [2019-10-15 01:16:45,658 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1117 transitions. Word has length 212 [2019-10-15 01:16:45,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:45,659 INFO L462 AbstractCegarLoop]: Abstraction has 793 states and 1117 transitions. [2019-10-15 01:16:45,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:16:45,659 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1117 transitions. [2019-10-15 01:16:45,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-15 01:16:45,666 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:45,667 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:45,667 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:45,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:45,668 INFO L82 PathProgramCache]: Analyzing trace with hash 945796238, now seen corresponding path program 1 times [2019-10-15 01:16:45,668 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:45,668 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386803558] [2019-10-15 01:16:45,669 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:45,669 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:45,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-15 01:16:46,129 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386803558] [2019-10-15 01:16:46,129 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:46,129 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 01:16:46,129 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346759436] [2019-10-15 01:16:46,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 01:16:46,130 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:46,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 01:16:46,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-10-15 01:16:46,131 INFO L87 Difference]: Start difference. First operand 793 states and 1117 transitions. Second operand 11 states. [2019-10-15 01:16:53,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:53,993 INFO L93 Difference]: Finished difference Result 3998 states and 5634 transitions. [2019-10-15 01:16:53,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-10-15 01:16:53,994 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 215 [2019-10-15 01:16:53,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:54,047 INFO L225 Difference]: With dead ends: 3998 [2019-10-15 01:16:54,047 INFO L226 Difference]: Without dead ends: 3636 [2019-10-15 01:16:54,052 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=209, Invalid=913, Unknown=0, NotChecked=0, Total=1122 [2019-10-15 01:16:54,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3636 states. [2019-10-15 01:16:54,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3636 to 3615. [2019-10-15 01:16:54,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3615 states. [2019-10-15 01:16:54,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4990 transitions. [2019-10-15 01:16:54,255 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4990 transitions. Word has length 215 [2019-10-15 01:16:54,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:54,257 INFO L462 AbstractCegarLoop]: Abstraction has 3615 states and 4990 transitions. [2019-10-15 01:16:54,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 01:16:54,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4990 transitions. [2019-10-15 01:16:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-15 01:16:54,263 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:54,264 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:54,264 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:54,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:54,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1962065818, now seen corresponding path program 1 times [2019-10-15 01:16:54,266 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:54,266 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574919034] [2019-10-15 01:16:54,266 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:54,267 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:54,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-15 01:16:54,793 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574919034] [2019-10-15 01:16:54,795 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:54,795 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2019-10-15 01:16:54,795 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649483690] [2019-10-15 01:16:54,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-15 01:16:54,796 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:54,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-15 01:16:54,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2019-10-15 01:16:54,797 INFO L87 Difference]: Start difference. First operand 3615 states and 4990 transitions. Second operand 20 states. [2019-10-15 01:16:55,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:55,606 INFO L93 Difference]: Finished difference Result 6763 states and 9435 transitions. [2019-10-15 01:16:55,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-15 01:16:55,607 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 216 [2019-10-15 01:16:55,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:55,641 INFO L225 Difference]: With dead ends: 6763 [2019-10-15 01:16:55,642 INFO L226 Difference]: Without dead ends: 3561 [2019-10-15 01:16:55,660 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2019-10-15 01:16:55,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2019-10-15 01:16:56,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 3559. [2019-10-15 01:16:56,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3559 states. [2019-10-15 01:16:56,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3559 states and 4906 transitions. [2019-10-15 01:16:56,047 INFO L78 Accepts]: Start accepts. Automaton has 3559 states and 4906 transitions. Word has length 216 [2019-10-15 01:16:56,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:56,051 INFO L462 AbstractCegarLoop]: Abstraction has 3559 states and 4906 transitions. [2019-10-15 01:16:56,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-15 01:16:56,051 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 4906 transitions. [2019-10-15 01:16:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-15 01:16:56,060 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:56,060 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:56,061 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:56,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:56,062 INFO L82 PathProgramCache]: Analyzing trace with hash 652440013, now seen corresponding path program 1 times [2019-10-15 01:16:56,062 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:56,062 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979469767] [2019-10-15 01:16:56,063 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:56,063 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:56,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-15 01:16:56,351 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979469767] [2019-10-15 01:16:56,351 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:56,352 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:16:56,352 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548863094] [2019-10-15 01:16:56,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:16:56,354 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:56,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:16:56,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:16:56,354 INFO L87 Difference]: Start difference. First operand 3559 states and 4906 transitions. Second operand 6 states. [2019-10-15 01:16:57,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:57,330 INFO L93 Difference]: Finished difference Result 10284 states and 14335 transitions. [2019-10-15 01:16:57,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:16:57,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 225 [2019-10-15 01:16:57,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:57,392 INFO L225 Difference]: With dead ends: 10284 [2019-10-15 01:16:57,393 INFO L226 Difference]: Without dead ends: 7205 [2019-10-15 01:16:57,415 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:16:57,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7205 states. [2019-10-15 01:16:57,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7205 to 7134. [2019-10-15 01:16:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7134 states. [2019-10-15 01:16:58,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7134 states to 7134 states and 9944 transitions. [2019-10-15 01:16:58,019 INFO L78 Accepts]: Start accepts. Automaton has 7134 states and 9944 transitions. Word has length 225 [2019-10-15 01:16:58,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:58,021 INFO L462 AbstractCegarLoop]: Abstraction has 7134 states and 9944 transitions. [2019-10-15 01:16:58,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:16:58,021 INFO L276 IsEmpty]: Start isEmpty. Operand 7134 states and 9944 transitions. [2019-10-15 01:16:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-15 01:16:58,031 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:58,031 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:58,031 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:58,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:58,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1875015399, now seen corresponding path program 1 times [2019-10-15 01:16:58,032 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:58,032 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997983700] [2019-10-15 01:16:58,033 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:58,033 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:58,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-15 01:16:58,231 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997983700] [2019-10-15 01:16:58,231 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:58,231 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:16:58,231 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568838050] [2019-10-15 01:16:58,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:16:58,232 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:58,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:16:58,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:16:58,233 INFO L87 Difference]: Start difference. First operand 7134 states and 9944 transitions. Second operand 5 states. [2019-10-15 01:17:00,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:17:00,833 INFO L93 Difference]: Finished difference Result 26811 states and 38225 transitions. [2019-10-15 01:17:00,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:17:00,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2019-10-15 01:17:00,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:17:00,999 INFO L225 Difference]: With dead ends: 26811 [2019-10-15 01:17:01,000 INFO L226 Difference]: Without dead ends: 20570 [2019-10-15 01:17:01,039 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:17:01,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20570 states. [2019-10-15 01:17:02,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20570 to 20474. [2019-10-15 01:17:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20474 states. [2019-10-15 01:17:02,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20474 states to 20474 states and 28979 transitions. [2019-10-15 01:17:02,947 INFO L78 Accepts]: Start accepts. Automaton has 20474 states and 28979 transitions. Word has length 226 [2019-10-15 01:17:02,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:17:02,948 INFO L462 AbstractCegarLoop]: Abstraction has 20474 states and 28979 transitions. [2019-10-15 01:17:02,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:17:02,949 INFO L276 IsEmpty]: Start isEmpty. Operand 20474 states and 28979 transitions. [2019-10-15 01:17:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-15 01:17:02,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:17:02,977 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:17:02,978 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:17:02,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:17:02,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1288239280, now seen corresponding path program 1 times [2019-10-15 01:17:02,979 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:17:02,979 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12590649] [2019-10-15 01:17:02,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:02,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:02,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:17:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:17:03,317 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-15 01:17:03,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12590649] [2019-10-15 01:17:03,319 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:17:03,319 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-15 01:17:03,319 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457174137] [2019-10-15 01:17:03,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-15 01:17:03,321 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:17:03,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-15 01:17:03,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:17:03,322 INFO L87 Difference]: Start difference. First operand 20474 states and 28979 transitions. Second operand 13 states. [2019-10-15 01:17:04,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:17:04,849 INFO L93 Difference]: Finished difference Result 39131 states and 55106 transitions. [2019-10-15 01:17:04,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-15 01:17:04,850 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2019-10-15 01:17:04,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:17:04,967 INFO L225 Difference]: With dead ends: 39131 [2019-10-15 01:17:04,968 INFO L226 Difference]: Without dead ends: 20398 [2019-10-15 01:17:05,035 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2019-10-15 01:17:05,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20398 states. [2019-10-15 01:17:05,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20398 to 20346. [2019-10-15 01:17:05,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20346 states. [2019-10-15 01:17:05,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20346 states to 20346 states and 28588 transitions. [2019-10-15 01:17:05,987 INFO L78 Accepts]: Start accepts. Automaton has 20346 states and 28588 transitions. Word has length 226 [2019-10-15 01:17:05,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:17:05,991 INFO L462 AbstractCegarLoop]: Abstraction has 20346 states and 28588 transitions. [2019-10-15 01:17:05,991 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-15 01:17:05,991 INFO L276 IsEmpty]: Start isEmpty. Operand 20346 states and 28588 transitions. [2019-10-15 01:17:06,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-15 01:17:06,011 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:17:06,011 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:17:06,012 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:17:06,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:17:06,012 INFO L82 PathProgramCache]: Analyzing trace with hash -410017553, now seen corresponding path program 1 times [2019-10-15 01:17:06,012 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:17:06,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889261890] [2019-10-15 01:17:06,013 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:06,013 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:06,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:17:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:17:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-15 01:17:06,361 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889261890] [2019-10-15 01:17:06,363 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:17:06,364 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:17:06,365 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322113932] [2019-10-15 01:17:06,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:17:06,367 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:17:06,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:17:06,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:17:06,368 INFO L87 Difference]: Start difference. First operand 20346 states and 28588 transitions. Second operand 3 states. [2019-10-15 01:17:06,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:17:06,892 INFO L93 Difference]: Finished difference Result 41287 states and 58317 transitions. [2019-10-15 01:17:06,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:17:06,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2019-10-15 01:17:06,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:17:07,005 INFO L225 Difference]: With dead ends: 41287 [2019-10-15 01:17:07,005 INFO L226 Difference]: Without dead ends: 21006 [2019-10-15 01:17:07,066 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:17:07,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21006 states. [2019-10-15 01:17:08,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21006 to 21002. [2019-10-15 01:17:08,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21002 states. [2019-10-15 01:17:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21002 states to 21002 states and 29782 transitions. [2019-10-15 01:17:08,880 INFO L78 Accepts]: Start accepts. Automaton has 21002 states and 29782 transitions. Word has length 247 [2019-10-15 01:17:08,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:17:08,880 INFO L462 AbstractCegarLoop]: Abstraction has 21002 states and 29782 transitions. [2019-10-15 01:17:08,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:17:08,880 INFO L276 IsEmpty]: Start isEmpty. Operand 21002 states and 29782 transitions. [2019-10-15 01:17:08,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-10-15 01:17:08,900 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:17:08,900 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:17:08,901 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:17:08,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:17:08,901 INFO L82 PathProgramCache]: Analyzing trace with hash 462111639, now seen corresponding path program 1 times [2019-10-15 01:17:08,902 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:17:08,902 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120856720] [2019-10-15 01:17:08,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:08,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:08,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:17:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:17:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-15 01:17:09,134 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120856720] [2019-10-15 01:17:09,134 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:17:09,134 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:17:09,135 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971362798] [2019-10-15 01:17:09,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:17:09,135 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:17:09,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:17:09,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:17:09,136 INFO L87 Difference]: Start difference. First operand 21002 states and 29782 transitions. Second operand 8 states.