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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:40:10,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:40:10,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:40:10,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:40:10,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:40:10,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:40:10,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:40:10,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:40:10,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:40:10,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:40:10,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:40:10,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:40:10,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:40:10,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:40:10,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:40:10,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:40:10,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:40:10,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:40:10,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:40:10,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:40:10,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:40:10,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:40:10,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:40:10,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:40:10,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:40:10,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:40:10,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:40:10,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:40:10,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:40:10,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:40:10,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:40:10,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:40:10,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:40:10,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:40:10,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:40:10,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:40:10,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:40:10,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:40:10,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:40:10,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:40:10,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:40:10,349 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:40:10,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:40:10,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:40:10,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:40:10,378 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:40:10,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:40:10,379 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:40:10,379 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:40:10,379 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:40:10,380 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:40:10,380 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:40:10,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:40:10,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:40:10,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:40:10,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:40:10,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:40:10,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:40:10,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:40:10,382 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:40:10,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:40:10,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:40:10,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:40:10,384 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:40:10,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:40:10,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:40:10,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:40:10,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:40:10,386 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:40:10,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:40:10,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:40:10,386 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:40:10,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:40:10,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:40:10,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:40:10,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:40:10,467 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:40:10,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product26.cil.c [2019-09-10 02:40:10,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73166609f/d5cfea40a0164a4d85599583ce3a0644/FLAG644af07ff [2019-09-10 02:40:11,135 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:40:11,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product26.cil.c [2019-09-10 02:40:11,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73166609f/d5cfea40a0164a4d85599583ce3a0644/FLAG644af07ff [2019-09-10 02:40:11,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73166609f/d5cfea40a0164a4d85599583ce3a0644 [2019-09-10 02:40:11,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:40:11,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:40:11,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:11,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:40:11,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:40:11,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:11" (1/1) ... [2019-09-10 02:40:11,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f4dbc5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:11, skipping insertion in model container [2019-09-10 02:40:11,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:11" (1/1) ... [2019-09-10 02:40:11,389 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:40:11,469 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:40:12,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:12,273 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:40:12,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:12,521 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:40:12,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:12 WrapperNode [2019-09-10 02:40:12,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:12,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:40:12,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:40:12,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:40:12,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:12" (1/1) ... [2019-09-10 02:40:12,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:12" (1/1) ... [2019-09-10 02:40:12,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:12" (1/1) ... [2019-09-10 02:40:12,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:12" (1/1) ... [2019-09-10 02:40:12,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:12" (1/1) ... [2019-09-10 02:40:12,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:12" (1/1) ... [2019-09-10 02:40:12,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:12" (1/1) ... [2019-09-10 02:40:12,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:40:12,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:40:12,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:40:12,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:40:12,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:12" (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 [2019-09-10 02:40:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:40:12,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:40:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:40:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:40:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:40:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:40:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:40:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:40:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:40:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:40:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:40:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:40:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:40:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:40:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:40:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:40:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:40:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:40:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:40:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:40:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:40:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:40:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:40:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:40:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:40:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:40:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:40:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:40:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:40:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:40:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:40:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:40:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:40:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-10 02:40:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-09-10 02:40:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:40:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:40:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:40:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:40:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:40:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:40:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:40:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:40:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:40:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:40:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:40:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:40:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:40:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:40:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:40:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:40:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:40:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:40:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:40:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:40:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:40:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:40:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:40:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:40:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:40:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:40:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:40:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:40:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:40:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:40:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:40:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:40:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:40:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:40:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:40:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:40:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:40:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:40:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:40:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:40:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:40:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:40:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:40:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:40:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:40:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:40:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:40:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:40:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:40:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-09-10 02:40:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:40:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:40:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:40:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:40:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:40:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:40:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:40:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:40:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:40:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:40:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:40:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:40:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:40:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:40:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:40:12,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:40:12,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:40:12,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:40:12,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:40:12,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:40:12,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:40:12,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:12,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:12,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:12,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:40:12,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:40:12,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:40:12,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:40:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:40:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:40:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:40:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:40:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:40:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:40:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:40:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:40:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:40:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:40:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:40:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:40:12,802 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:40:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:40:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:40:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:40:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:40:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:40:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:40:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:40:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:40:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:40:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:40:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:40:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:40:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:40:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:40:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:40:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:40:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:40:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:40:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:40:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:40:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:40:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:40:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:40:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:40:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:40:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:40:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:40:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:40:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:40:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:40:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:40:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:40:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:40:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:40:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:40:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:40:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:40:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:40:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:40:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:40:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:40:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:40:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:40:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:40:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:40:12,809 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:40:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:40:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:40:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:40:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:40:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:40:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:40:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:40:12,810 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:40:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:40:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:40:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:40:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:40:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:40:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:40:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:40:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:40:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:40:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:40:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:40:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-09-10 02:40:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:40:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:40:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-10 02:40:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-09-10 02:40:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:40:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:40:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:40:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:40:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:40:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:40:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:40:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:40:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:40:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:40:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:40:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:40:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:40:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:40:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:40:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:40:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:40:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:40:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:40:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:40:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:40:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:40:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:40:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:40:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:40:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:40:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:40:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:40:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:40:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:40:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:40:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:40:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:40:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:40:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:40:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:40:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:40:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:40:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:40:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:40:14,949 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:40:14,950 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:40:14,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:14 BoogieIcfgContainer [2019-09-10 02:40:14,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:40:14,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:40:14,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:40:14,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:40:14,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:40:11" (1/3) ... [2019-09-10 02:40:14,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cfcfedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:14, skipping insertion in model container [2019-09-10 02:40:14,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:12" (2/3) ... [2019-09-10 02:40:14,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cfcfedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:14, skipping insertion in model container [2019-09-10 02:40:14,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:14" (3/3) ... [2019-09-10 02:40:14,963 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product26.cil.c [2019-09-10 02:40:14,973 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:40:14,986 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:40:15,004 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:40:15,041 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:40:15,042 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:40:15,042 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:40:15,042 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:40:15,042 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:40:15,042 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:40:15,045 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:40:15,046 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:40:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states. [2019-09-10 02:40:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-10 02:40:15,133 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:15,136 INFO L399 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] [2019-09-10 02:40:15,139 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:15,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:15,146 INFO L82 PathProgramCache]: Analyzing trace with hash 249801548, now seen corresponding path program 1 times [2019-09-10 02:40:15,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:15,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:15,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:15,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:15,203 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:15,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:15,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:40:15,950 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:15,957 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:15,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:15,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:15,976 INFO L87 Difference]: Start difference. First operand 601 states. Second operand 2 states. [2019-09-10 02:40:16,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:16,070 INFO L93 Difference]: Finished difference Result 581 states and 791 transitions. [2019-09-10 02:40:16,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:16,072 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-09-10 02:40:16,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:16,105 INFO L225 Difference]: With dead ends: 581 [2019-09-10 02:40:16,105 INFO L226 Difference]: Without dead ends: 572 [2019-09-10 02:40:16,108 INFO L628 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 [2019-09-10 02:40:16,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-09-10 02:40:16,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2019-09-10 02:40:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 572 states. [2019-09-10 02:40:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 780 transitions. [2019-09-10 02:40:16,232 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 780 transitions. Word has length 154 [2019-09-10 02:40:16,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:16,234 INFO L475 AbstractCegarLoop]: Abstraction has 572 states and 780 transitions. [2019-09-10 02:40:16,234 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 780 transitions. [2019-09-10 02:40:16,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-10 02:40:16,239 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:16,239 INFO L399 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] [2019-09-10 02:40:16,240 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:16,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:16,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1309331988, now seen corresponding path program 1 times [2019-09-10 02:40:16,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:16,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:16,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:16,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:16,242 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:16,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:16,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:16,503 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:16,506 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:16,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:16,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:16,508 INFO L87 Difference]: Start difference. First operand 572 states and 780 transitions. Second operand 3 states. [2019-09-10 02:40:16,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:16,565 INFO L93 Difference]: Finished difference Result 575 states and 783 transitions. [2019-09-10 02:40:16,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:16,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-09-10 02:40:16,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:16,575 INFO L225 Difference]: With dead ends: 575 [2019-09-10 02:40:16,575 INFO L226 Difference]: Without dead ends: 575 [2019-09-10 02:40:16,576 INFO L628 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 [2019-09-10 02:40:16,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2019-09-10 02:40:16,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 574. [2019-09-10 02:40:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2019-09-10 02:40:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 782 transitions. [2019-09-10 02:40:16,610 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 782 transitions. Word has length 155 [2019-09-10 02:40:16,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:16,611 INFO L475 AbstractCegarLoop]: Abstraction has 574 states and 782 transitions. [2019-09-10 02:40:16,611 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:16,611 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 782 transitions. [2019-09-10 02:40:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-09-10 02:40:16,618 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:16,618 INFO L399 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] [2019-09-10 02:40:16,619 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:16,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:16,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1076372643, now seen corresponding path program 1 times [2019-09-10 02:40:16,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:16,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:16,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:16,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:16,621 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:16,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:16,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:16,872 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:16,872 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:16,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:16,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:16,876 INFO L87 Difference]: Start difference. First operand 574 states and 782 transitions. Second operand 3 states. [2019-09-10 02:40:16,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:16,907 INFO L93 Difference]: Finished difference Result 619 states and 858 transitions. [2019-09-10 02:40:16,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:16,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-09-10 02:40:16,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:16,915 INFO L225 Difference]: With dead ends: 619 [2019-09-10 02:40:16,916 INFO L226 Difference]: Without dead ends: 619 [2019-09-10 02:40:16,916 INFO L628 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 [2019-09-10 02:40:16,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2019-09-10 02:40:16,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 618. [2019-09-10 02:40:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2019-09-10 02:40:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 857 transitions. [2019-09-10 02:40:16,952 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 857 transitions. Word has length 167 [2019-09-10 02:40:16,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:16,952 INFO L475 AbstractCegarLoop]: Abstraction has 618 states and 857 transitions. [2019-09-10 02:40:16,952 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 857 transitions. [2019-09-10 02:40:16,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-10 02:40:16,959 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:16,959 INFO L399 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] [2019-09-10 02:40:16,959 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:16,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:16,960 INFO L82 PathProgramCache]: Analyzing trace with hash -55572167, now seen corresponding path program 1 times [2019-09-10 02:40:16,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:16,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:16,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:16,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:16,962 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:17,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:17,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:17,109 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:17,109 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:17,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:17,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:17,112 INFO L87 Difference]: Start difference. First operand 618 states and 857 transitions. Second operand 3 states. [2019-09-10 02:40:17,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:17,142 INFO L93 Difference]: Finished difference Result 704 states and 1002 transitions. [2019-09-10 02:40:17,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:17,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-09-10 02:40:17,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:17,147 INFO L225 Difference]: With dead ends: 704 [2019-09-10 02:40:17,147 INFO L226 Difference]: Without dead ends: 704 [2019-09-10 02:40:17,148 INFO L628 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 [2019-09-10 02:40:17,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2019-09-10 02:40:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 703. [2019-09-10 02:40:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2019-09-10 02:40:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1001 transitions. [2019-09-10 02:40:17,170 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1001 transitions. Word has length 168 [2019-09-10 02:40:17,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:17,170 INFO L475 AbstractCegarLoop]: Abstraction has 703 states and 1001 transitions. [2019-09-10 02:40:17,170 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1001 transitions. [2019-09-10 02:40:17,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-09-10 02:40:17,174 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:17,175 INFO L399 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] [2019-09-10 02:40:17,175 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:17,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:17,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1062481768, now seen corresponding path program 1 times [2019-09-10 02:40:17,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:17,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:17,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:17,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:17,177 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:17,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:17,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:40:17,348 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:17,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:40:17,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:40:17,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:40:17,349 INFO L87 Difference]: Start difference. First operand 703 states and 1001 transitions. Second operand 6 states. [2019-09-10 02:40:18,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:18,107 INFO L93 Difference]: Finished difference Result 717 states and 1018 transitions. [2019-09-10 02:40:18,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:40:18,107 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2019-09-10 02:40:18,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:18,111 INFO L225 Difference]: With dead ends: 717 [2019-09-10 02:40:18,112 INFO L226 Difference]: Without dead ends: 715 [2019-09-10 02:40:18,112 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:40:18,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2019-09-10 02:40:18,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 715. [2019-09-10 02:40:18,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2019-09-10 02:40:18,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 1016 transitions. [2019-09-10 02:40:18,133 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 1016 transitions. Word has length 171 [2019-09-10 02:40:18,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:18,133 INFO L475 AbstractCegarLoop]: Abstraction has 715 states and 1016 transitions. [2019-09-10 02:40:18,133 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:40:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1016 transitions. [2019-09-10 02:40:18,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-09-10 02:40:18,137 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:18,137 INFO L399 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] [2019-09-10 02:40:18,138 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:18,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:18,138 INFO L82 PathProgramCache]: Analyzing trace with hash 858127485, now seen corresponding path program 1 times [2019-09-10 02:40:18,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:18,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:18,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:18,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:18,140 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:18,262 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:18,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:18,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:18,262 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:18,263 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:18,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:18,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:18,264 INFO L87 Difference]: Start difference. First operand 715 states and 1016 transitions. Second operand 3 states. [2019-09-10 02:40:18,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:18,284 INFO L93 Difference]: Finished difference Result 880 states and 1293 transitions. [2019-09-10 02:40:18,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:18,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-09-10 02:40:18,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:18,290 INFO L225 Difference]: With dead ends: 880 [2019-09-10 02:40:18,290 INFO L226 Difference]: Without dead ends: 880 [2019-09-10 02:40:18,290 INFO L628 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 [2019-09-10 02:40:18,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2019-09-10 02:40:18,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 879. [2019-09-10 02:40:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2019-09-10 02:40:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1292 transitions. [2019-09-10 02:40:18,316 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1292 transitions. Word has length 169 [2019-09-10 02:40:18,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:18,316 INFO L475 AbstractCegarLoop]: Abstraction has 879 states and 1292 transitions. [2019-09-10 02:40:18,316 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:18,316 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1292 transitions. [2019-09-10 02:40:18,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-10 02:40:18,321 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:18,321 INFO L399 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] [2019-09-10 02:40:18,322 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:18,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:18,322 INFO L82 PathProgramCache]: Analyzing trace with hash -450020342, now seen corresponding path program 1 times [2019-09-10 02:40:18,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:18,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:18,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:18,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:18,323 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:18,481 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 02:40:18,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:40:18,481 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:40:18,482 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2019-09-10 02:40:18,484 INFO L207 CegarAbsIntRunner]: [109], [112], [122], [123], [139], [142], [156], [157], [159], [269], [271], [275], [278], [279], [280], [283], [289], [313], [320], [322], [325], [331], [333], [335], [342], [349], [352], [361], [382], [384], [385], [388], [398], [440], [629], [631], [632], [633], [671], [674], [688], [717], [718], [719], [759], [763], [766], [784], [787], [851], [860], [864], [866], [868], [871], [878], [885], [888], [890], [1028], [1033], [1036], [1045], [1153], [1225], [1227], [1244], [1248], [1259], [1262], [1263], [1266], [1269], [1300], [1303], [1305], [1374], [1377], [1383], [1418], [1421], [1435], [1443], [1446], [1455], [1649], [1651], [1653], [1655], [1656], [1686], [1696], [1697], [1698], [1699], [1700], [1701], [1704], [1705], [1706], [1707], [1708], [1710], [1711], [1712], [1713], [1722], [1723], [1724], [1726], [1727], [1728], [1729], [1734], [1746], [1747], [1758], [1759], [1780], [1781], [1796], [1802], [1803], [1804], [1805], [1806], [1807], [1808], [1809], [1810], [1812], [1813], [1814], [1815], [1848], [1849], [1868], [1870], [1871], [1888], [1890], [1891], [1892], [1893], [1894], [1895], [1896], [1918], [1919], [1920], [1921], [1922], [1923], [1924], [1925], [1926] [2019-09-10 02:40:18,542 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:40:18,543 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:40:18,753 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:40:18,755 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 204 root evaluator evaluations with a maximum evaluation depth of 0. Performed 204 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 374 variables. [2019-09-10 02:40:18,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:18,760 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:40:18,841 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:40:18,841 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:40:18,846 INFO L420 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2019-09-10 02:40:18,847 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:40:18,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:40:18,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 02:40:18,848 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:18,848 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:18,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:18,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:18,849 INFO L87 Difference]: Start difference. First operand 879 states and 1292 transitions. Second operand 2 states. [2019-09-10 02:40:18,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:18,850 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:40:18,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:18,850 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 172 [2019-09-10 02:40:18,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:18,850 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:40:18,850 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:40:18,851 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:18,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:40:18,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:40:18,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:40:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:40:18,852 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2019-09-10 02:40:18,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:18,852 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:40:18,852 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:40:18,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:40:18,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:40:18 BoogieIcfgContainer [2019-09-10 02:40:18,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:40:18,861 INFO L168 Benchmark]: Toolchain (without parser) took 7488.88 ms. Allocated memory was 135.3 MB in the beginning and 388.0 MB in the end (delta: 252.7 MB). Free memory was 87.7 MB in the beginning and 310.4 MB in the end (delta: -222.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:18,862 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:40:18,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1149.86 ms. Allocated memory was 135.3 MB in the beginning and 202.9 MB in the end (delta: 67.6 MB). Free memory was 87.5 MB in the beginning and 135.7 MB in the end (delta: -48.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:18,864 INFO L168 Benchmark]: Boogie Preprocessor took 179.50 ms. Allocated memory is still 202.9 MB. Free memory was 135.7 MB in the beginning and 126.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:18,865 INFO L168 Benchmark]: RCFGBuilder took 2250.08 ms. Allocated memory was 202.9 MB in the beginning and 260.0 MB in the end (delta: 57.1 MB). Free memory was 126.7 MB in the beginning and 155.3 MB in the end (delta: -28.7 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:18,866 INFO L168 Benchmark]: TraceAbstraction took 3904.94 ms. Allocated memory was 260.0 MB in the beginning and 388.0 MB in the end (delta: 127.9 MB). Free memory was 155.3 MB in the beginning and 310.4 MB in the end (delta: -155.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:40:18,871 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1149.86 ms. Allocated memory was 135.3 MB in the beginning and 202.9 MB in the end (delta: 67.6 MB). Free memory was 87.5 MB in the beginning and 135.7 MB in the end (delta: -48.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 179.50 ms. Allocated memory is still 202.9 MB. Free memory was 135.7 MB in the beginning and 126.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2250.08 ms. Allocated memory was 202.9 MB in the beginning and 260.0 MB in the end (delta: 57.1 MB). Free memory was 126.7 MB in the beginning and 155.3 MB in the end (delta: -28.7 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3904.94 ms. Allocated memory was 260.0 MB in the beginning and 388.0 MB in the end (delta: 127.9 MB). Free memory was 155.3 MB in the beginning and 310.4 MB in the end (delta: -155.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1107]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 115 procedures, 790 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4734 SDtfs, 943 SDslu, 5224 SDs, 0 SdLazy, 271 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=879occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.2982456140350878 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1156 NumberOfCodeBlocks, 1156 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1149 ConstructedInterpolants, 0 QuantifiedInterpolants, 205447 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 197/200 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...