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_spec1_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:14:37,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:14:37,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:14:37,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:14:37,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:14:37,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:14:37,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:14:37,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:14:37,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:14:37,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:14:37,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:14:37,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:14:37,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:14:37,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:14:37,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:14:37,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:14:37,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:14:37,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:14:37,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:14:37,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:14:37,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:14:37,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:14:37,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:14:37,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:14:37,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:14:37,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:14:37,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:14:37,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:14:37,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:14:37,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:14:37,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:14:37,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:14:37,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:14:37,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:14:37,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:14:37,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:14:37,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:14:37,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:14:37,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:14:37,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:14:37,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:14:37,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:14:37,183 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:14:37,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:14:37,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:14:37,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:14:37,194 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:14:37,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:14:37,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:14:37,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:14:37,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:14:37,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:14:37,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:14:37,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:14:37,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:14:37,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:14:37,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:14:37,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:14:37,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:14:37,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:14:37,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:14:37,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:14:37,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:14:37,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:14:37,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:14:37,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:14:37,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:14:37,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:14:37,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:14:37,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:14:37,200 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 [2019-10-13 21:14:37,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:14:37,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:14:37,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:14:37,512 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:14:37,513 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:14:37,513 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product35.cil.c [2019-10-13 21:14:37,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/767f02245/997215c7d8a440099c530d192b9325eb/FLAG965855fb8 [2019-10-13 21:14:38,250 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:14:38,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product35.cil.c [2019-10-13 21:14:38,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/767f02245/997215c7d8a440099c530d192b9325eb/FLAG965855fb8 [2019-10-13 21:14:38,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/767f02245/997215c7d8a440099c530d192b9325eb [2019-10-13 21:14:38,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:14:38,430 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:14:38,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:14:38,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:14:38,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:14:38,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:38" (1/1) ... [2019-10-13 21:14:38,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e12d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:38, skipping insertion in model container [2019-10-13 21:14:38,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:38" (1/1) ... [2019-10-13 21:14:38,445 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:14:38,534 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:14:39,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:14:39,352 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:14:39,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:14:39,660 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:14:39,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:39 WrapperNode [2019-10-13 21:14:39,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:14:39,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:14:39,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:14:39,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:14:39,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:39" (1/1) ... [2019-10-13 21:14:39,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:39" (1/1) ... [2019-10-13 21:14:39,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:39" (1/1) ... [2019-10-13 21:14:39,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:39" (1/1) ... [2019-10-13 21:14:39,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:39" (1/1) ... [2019-10-13 21:14:39,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:39" (1/1) ... [2019-10-13 21:14:39,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:39" (1/1) ... [2019-10-13 21:14:39,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:14:39,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:14:39,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:14:39,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:14:39,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:14:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:14:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:14:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 21:14:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 21:14:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 21:14:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 21:14:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 21:14:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 21:14:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 21:14:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 21:14:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:14:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:14:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 21:14:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 21:14:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 21:14:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 21:14:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 21:14:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 21:14:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 21:14:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 21:14:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 21:14:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 21:14:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 21:14:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 21:14:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:14:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:14:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:14:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 21:14:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 21:14:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 21:14:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 21:14:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-13 21:14:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 21:14:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 21:14:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 21:14:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 21:14:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 21:14:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 21:14:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 21:14:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 21:14:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 21:14:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 21:14:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 21:14:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 21:14:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 21:14:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 21:14:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 21:14:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 21:14:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 21:14:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 21:14:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 21:14:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 21:14:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 21:14:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 21:14:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 21:14:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 21:14:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 21:14:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 21:14:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 21:14:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 21:14:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 21:14:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 21:14:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 21:14:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 21:14:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 21:14:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 21:14:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 21:14:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 21:14:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 21:14:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 21:14:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 21:14:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 21:14:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 21:14:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 21:14:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 21:14:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 21:14:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 21:14:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 21:14:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 21:14:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 21:14:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 21:14:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 21:14:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:14:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 21:14:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-13 21:14:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-13 21:14:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 21:14:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 21:14:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 21:14:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 21:14:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 21:14:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:14:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:14:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:14:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:14:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 21:14:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 21:14:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 21:14:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 21:14:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 21:14:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 21:14:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 21:14:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 21:14:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 21:14:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 21:14:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 21:14:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 21:14:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 21:14:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 21:14:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 21:14:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 21:14:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 21:14:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 21:14:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 21:14:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 21:14:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 21:14:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:14:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:14:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:14:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:14:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 21:14:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 21:14:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 21:14:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 21:14:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 21:14:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 21:14:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 21:14:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 21:14:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 21:14:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 21:14:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 21:14:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 21:14:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 21:14:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:14:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:14:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:14:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 21:14:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 21:14:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 21:14:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 21:14:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 21:14:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 21:14:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 21:14:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 21:14:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 21:14:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 21:14:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 21:14:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:14:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:14:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:14:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 21:14:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 21:14:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 21:14:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 21:14:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 21:14:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 21:14:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 21:14:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 21:14:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 21:14:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 21:14:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 21:14:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 21:14:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 21:14:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 21:14:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 21:14:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:14:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:14:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:14:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:14:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:14:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:14:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:14:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:14:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:14:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:14:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:14:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:14:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:14:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:14:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 21:14:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 21:14:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 21:14:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 21:14:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 21:14:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 21:14:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 21:14:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 21:14:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 21:14:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 21:14:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 21:14:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 21:14:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 21:14:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 21:14:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 21:14:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 21:14:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 21:14:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 21:14:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 21:14:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 21:14:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 21:14:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 21:14:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 21:14:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 21:14:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 21:14:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 21:14:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 21:14:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 21:14:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 21:14:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 21:14:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 21:14:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 21:14:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 21:14:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 21:14:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 21:14:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 21:14:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 21:14:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 21:14:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-13 21:14:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 21:14:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 21:14:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 21:14:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 21:14:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 21:14:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 21:14:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 21:14:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 21:14:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 21:14:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 21:14:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 21:14:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 21:14:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 21:14:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 21:14:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 21:14:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 21:14:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 21:14:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 21:14:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-13 21:14:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-13 21:14:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 21:14:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:14:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 21:14:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 21:14:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 21:14:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 21:14:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 21:14:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 21:14:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:14:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:14:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:14:42,512 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:14:42,513 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 21:14:42,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:42 BoogieIcfgContainer [2019-10-13 21:14:42,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:14:42,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:14:42,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:14:42,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:14:42,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:14:38" (1/3) ... [2019-10-13 21:14:42,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82837bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:42, skipping insertion in model container [2019-10-13 21:14:42,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:39" (2/3) ... [2019-10-13 21:14:42,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82837bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:42, skipping insertion in model container [2019-10-13 21:14:42,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:42" (3/3) ... [2019-10-13 21:14:42,525 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product35.cil.c [2019-10-13 21:14:42,535 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:14:42,545 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:14:42,558 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:14:42,596 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:14:42,596 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:14:42,597 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:14:42,597 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:14:42,597 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:14:42,597 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:14:42,597 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:14:42,597 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:14:42,641 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states. [2019-10-13 21:14:42,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-13 21:14:42,667 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:42,668 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:42,671 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:42,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:42,677 INFO L82 PathProgramCache]: Analyzing trace with hash 2000254707, now seen corresponding path program 1 times [2019-10-13 21:14:42,687 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:42,687 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350145491] [2019-10-13 21:14:42,688 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:42,688 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:42,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:43,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350145491] [2019-10-13 21:14:43,407 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:43,407 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:14:43,408 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617861973] [2019-10-13 21:14:43,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:14:43,417 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:43,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:14:43,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:14:43,436 INFO L87 Difference]: Start difference. First operand 683 states. Second operand 2 states. [2019-10-13 21:14:43,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:43,557 INFO L93 Difference]: Finished difference Result 1041 states and 1401 transitions. [2019-10-13 21:14:43,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:14:43,559 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 167 [2019-10-13 21:14:43,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:43,602 INFO L225 Difference]: With dead ends: 1041 [2019-10-13 21:14:43,602 INFO L226 Difference]: Without dead ends: 654 [2019-10-13 21:14:43,615 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:14:43,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-10-13 21:14:43,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654. [2019-10-13 21:14:43,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2019-10-13 21:14:43,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 886 transitions. [2019-10-13 21:14:43,746 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 886 transitions. Word has length 167 [2019-10-13 21:14:43,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:43,748 INFO L462 AbstractCegarLoop]: Abstraction has 654 states and 886 transitions. [2019-10-13 21:14:43,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:14:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 886 transitions. [2019-10-13 21:14:43,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-13 21:14:43,756 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:43,756 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:43,756 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:43,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:43,757 INFO L82 PathProgramCache]: Analyzing trace with hash -113986778, now seen corresponding path program 1 times [2019-10-13 21:14:43,757 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:43,757 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242303092] [2019-10-13 21:14:43,757 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:43,758 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:43,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:44,129 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242303092] [2019-10-13 21:14:44,130 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:44,130 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:44,130 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202628603] [2019-10-13 21:14:44,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:44,134 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:44,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:44,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:44,135 INFO L87 Difference]: Start difference. First operand 654 states and 886 transitions. Second operand 3 states. [2019-10-13 21:14:44,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:44,217 INFO L93 Difference]: Finished difference Result 1024 states and 1366 transitions. [2019-10-13 21:14:44,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:44,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-10-13 21:14:44,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:44,224 INFO L225 Difference]: With dead ends: 1024 [2019-10-13 21:14:44,225 INFO L226 Difference]: Without dead ends: 657 [2019-10-13 21:14:44,227 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:44,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2019-10-13 21:14:44,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 656. [2019-10-13 21:14:44,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2019-10-13 21:14:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 888 transitions. [2019-10-13 21:14:44,269 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 888 transitions. Word has length 168 [2019-10-13 21:14:44,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:44,270 INFO L462 AbstractCegarLoop]: Abstraction has 656 states and 888 transitions. [2019-10-13 21:14:44,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:44,270 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 888 transitions. [2019-10-13 21:14:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-13 21:14:44,276 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:44,276 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:44,277 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:44,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:44,277 INFO L82 PathProgramCache]: Analyzing trace with hash 956315413, now seen corresponding path program 1 times [2019-10-13 21:14:44,278 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:44,278 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668020532] [2019-10-13 21:14:44,278 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:44,278 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:44,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:44,499 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:44,500 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668020532] [2019-10-13 21:14:44,500 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:44,500 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:44,500 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145396395] [2019-10-13 21:14:44,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:44,501 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:44,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:44,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:44,502 INFO L87 Difference]: Start difference. First operand 656 states and 888 transitions. Second operand 3 states. [2019-10-13 21:14:44,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:44,548 INFO L93 Difference]: Finished difference Result 1292 states and 1780 transitions. [2019-10-13 21:14:44,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:44,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2019-10-13 21:14:44,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:44,555 INFO L225 Difference]: With dead ends: 1292 [2019-10-13 21:14:44,556 INFO L226 Difference]: Without dead ends: 701 [2019-10-13 21:14:44,558 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2019-10-13 21:14:44,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 700. [2019-10-13 21:14:44,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2019-10-13 21:14:44,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 963 transitions. [2019-10-13 21:14:44,590 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 963 transitions. Word has length 180 [2019-10-13 21:14:44,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:44,591 INFO L462 AbstractCegarLoop]: Abstraction has 700 states and 963 transitions. [2019-10-13 21:14:44,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:44,591 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 963 transitions. [2019-10-13 21:14:44,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-13 21:14:44,600 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:44,601 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:44,601 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:44,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:44,602 INFO L82 PathProgramCache]: Analyzing trace with hash 2106221254, now seen corresponding path program 1 times [2019-10-13 21:14:44,602 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:44,602 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490856869] [2019-10-13 21:14:44,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:44,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:44,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:44,873 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490856869] [2019-10-13 21:14:44,873 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:44,873 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:44,873 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732938922] [2019-10-13 21:14:44,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:44,875 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:44,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:44,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:44,875 INFO L87 Difference]: Start difference. First operand 700 states and 963 transitions. Second operand 3 states. [2019-10-13 21:14:44,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:44,923 INFO L93 Difference]: Finished difference Result 1421 states and 2000 transitions. [2019-10-13 21:14:44,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:44,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-13 21:14:44,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:44,930 INFO L225 Difference]: With dead ends: 1421 [2019-10-13 21:14:44,930 INFO L226 Difference]: Without dead ends: 786 [2019-10-13 21:14:44,933 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:44,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-10-13 21:14:44,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 785. [2019-10-13 21:14:44,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2019-10-13 21:14:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1107 transitions. [2019-10-13 21:14:44,972 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1107 transitions. Word has length 181 [2019-10-13 21:14:44,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:44,972 INFO L462 AbstractCegarLoop]: Abstraction has 785 states and 1107 transitions. [2019-10-13 21:14:44,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1107 transitions. [2019-10-13 21:14:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-13 21:14:44,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:44,977 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:44,977 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:44,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:44,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1485976180, now seen corresponding path program 1 times [2019-10-13 21:14:44,978 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:44,979 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136248552] [2019-10-13 21:14:44,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:44,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:44,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 21:14:46,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136248552] [2019-10-13 21:14:46,841 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:46,842 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2019-10-13 21:14:46,842 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152178106] [2019-10-13 21:14:46,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-10-13 21:14:46,842 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:46,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-10-13 21:14:46,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1717, Unknown=0, NotChecked=0, Total=1806 [2019-10-13 21:14:46,844 INFO L87 Difference]: Start difference. First operand 785 states and 1107 transitions. Second operand 43 states.