java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:04:00,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:04:00,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:04:00,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:04:00,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:04:00,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:04:00,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:04:00,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:04:00,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:04:00,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:04:00,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:04:00,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:04:00,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:04:00,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:04:00,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:04:00,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:04:00,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:04:00,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:04:00,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:04:00,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:04:00,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:04:00,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:04:00,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:04:00,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:04:00,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:04:00,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:04:00,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:04:00,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:04:00,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:04:00,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:04:00,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:04:00,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:04:00,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:04:00,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:04:00,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:04:00,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:04:00,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:04:00,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:04:00,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:04:00,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:04:00,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:04:00,430 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 [2019-10-07 15:04:00,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:04:00,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:04:00,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:04:00,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:04:00,456 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:04:00,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:04:00,456 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:04:00,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:04:00,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:04:00,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:04:00,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:04:00,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:04:00,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:04:00,459 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:04:00,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:04:00,459 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:04:00,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:04:00,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:04:00,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:04:00,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:04:00,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:04:00,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:04:00,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:04:00,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:04:00,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:04:00,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:04:00,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:04:00,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:04:00,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:04:00,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:04:00,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:04:00,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:04:00,780 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:04:00,781 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:04:00,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product28.cil.c [2019-10-07 15:04:00,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/200591d01/9ed9dbf614da4090926b84214155f0d3/FLAG4e675ab85 [2019-10-07 15:04:01,483 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:04:01,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product28.cil.c [2019-10-07 15:04:01,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/200591d01/9ed9dbf614da4090926b84214155f0d3/FLAG4e675ab85 [2019-10-07 15:04:01,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/200591d01/9ed9dbf614da4090926b84214155f0d3 [2019-10-07 15:04:01,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:04:01,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:04:01,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:04:01,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:04:01,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:04:01,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:04:01" (1/1) ... [2019-10-07 15:04:01,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3e9240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:01, skipping insertion in model container [2019-10-07 15:04:01,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:04:01" (1/1) ... [2019-10-07 15:04:01,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:04:01,816 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:04:02,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:04:02,624 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:04:02,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:04:02,851 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:04:02,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:02 WrapperNode [2019-10-07 15:04:02,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:04:02,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:04:02,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:04:02,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:04:02,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:02" (1/1) ... [2019-10-07 15:04:02,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:02" (1/1) ... [2019-10-07 15:04:02,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:02" (1/1) ... [2019-10-07 15:04:02,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:02" (1/1) ... [2019-10-07 15:04:02,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:02" (1/1) ... [2019-10-07 15:04:03,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:02" (1/1) ... [2019-10-07 15:04:03,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:02" (1/1) ... [2019-10-07 15:04:03,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:04:03,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:04:03,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:04:03,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:04:03,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:02" (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 [2019-10-07 15:04:03,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:04:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:04:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:04:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:04:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:04:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-07 15:04:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 15:04:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:04:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:04:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:04:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:04:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:04:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:04:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:04:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:04:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:04:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:04:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:04:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 15:04:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:04:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:04:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:04:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:04:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:04:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:04:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:04:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:04:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:04:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:04:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:04:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:04:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:04:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:04:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:04:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:04:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:04:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:04:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:04:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:04:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:04:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:04:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:04:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:04:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:04:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:04:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:04:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:04:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:04:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:04:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:04:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:04:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:04:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:04:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:04:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-07 15:04:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:04:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:04:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:04:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:04:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:04:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:04:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:04:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:04:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:04:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:04:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:04:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:04:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:04:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:04:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:04:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:04:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:04:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:04:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:04:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:04:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:04:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:04:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:04:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:04:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:04:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:04:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:04:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:04:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:04:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:04:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:04:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:04:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:04:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:04:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:04:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:04:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:04:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:04:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:04:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:04:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:04:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:04:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:04:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:04:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:04:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:04:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:04:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:04:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:04:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:04:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:04:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:04:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:04:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:04:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:04:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:04:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:04:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:04:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:04:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:04:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:04:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:04:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:04:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:04:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:04:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:04:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:04:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:04:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:04:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:04:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:04:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:04:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:04:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:04:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:04:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:04:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:04:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-07 15:04:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 15:04:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:04:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:04:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:04:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:04:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:04:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:04:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:04:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:04:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:04:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:04:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:04:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:04:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:04:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:04:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:04:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:04:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:04:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:04:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:04:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:04:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:04:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:04:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:04:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:04:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:04:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:04:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:04:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:04:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:04:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:04:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:04:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 15:04:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:04:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:04:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-07 15:04:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:04:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:04:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:04:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:04:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:04:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:04:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:04:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:04:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:04:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:04:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:04:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:04:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:04:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:04:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:04:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:04:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:04:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:04:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:04:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:04:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:04:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:04:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:04:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:04:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:04:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:04:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:04:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:04:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:04:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:04:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:04:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:04:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:04:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:04:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:04:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:04:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:04:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:04:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:04:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:04:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:04:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:04:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:04:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:04:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:04:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:04:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:04:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:04:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:04:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:04:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:04:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:04:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:04:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:04:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:04:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:04:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:04:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:04:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:04:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:04:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:04:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:04:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:04:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:04:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:04:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:04:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:04:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:04:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:04:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:04:08,064 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:04:08,064 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:04:08,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:04:08 BoogieIcfgContainer [2019-10-07 15:04:08,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:04:08,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:04:08,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:04:08,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:04:08,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:04:01" (1/3) ... [2019-10-07 15:04:08,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1164d990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:04:08, skipping insertion in model container [2019-10-07 15:04:08,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:02" (2/3) ... [2019-10-07 15:04:08,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1164d990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:04:08, skipping insertion in model container [2019-10-07 15:04:08,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:04:08" (3/3) ... [2019-10-07 15:04:08,074 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product28.cil.c [2019-10-07 15:04:08,178 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:04:08,190 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:04:08,202 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:04:08,240 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:04:08,240 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:04:08,240 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:04:08,240 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:04:08,241 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:04:08,241 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:04:08,241 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:04:08,244 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:04:08,277 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states. [2019-10-07 15:04:08,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 15:04:08,295 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:08,297 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:08,299 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:08,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:08,304 INFO L82 PathProgramCache]: Analyzing trace with hash 152531144, now seen corresponding path program 1 times [2019-10-07 15:04:08,311 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:08,311 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:08,312 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:08,312 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:08,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:09,020 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:04:09,021 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:09,022 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:09,022 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:04:09,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:04:09,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:04:09,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:04:09,048 INFO L87 Difference]: Start difference. First operand 369 states. Second operand 2 states. [2019-10-07 15:04:09,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:09,126 INFO L93 Difference]: Finished difference Result 511 states and 608 transitions. [2019-10-07 15:04:09,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:04:09,128 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-10-07 15:04:09,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:09,146 INFO L225 Difference]: With dead ends: 511 [2019-10-07 15:04:09,146 INFO L226 Difference]: Without dead ends: 327 [2019-10-07 15:04:09,152 INFO L606 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 [2019-10-07 15:04:09,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-10-07 15:04:09,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2019-10-07 15:04:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2019-10-07 15:04:09,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 387 transitions. [2019-10-07 15:04:09,235 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 387 transitions. Word has length 145 [2019-10-07 15:04:09,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:09,237 INFO L462 AbstractCegarLoop]: Abstraction has 327 states and 387 transitions. [2019-10-07 15:04:09,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:04:09,237 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 387 transitions. [2019-10-07 15:04:09,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 15:04:09,242 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:09,242 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:09,243 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:09,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:09,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1833339352, now seen corresponding path program 1 times [2019-10-07 15:04:09,244 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:09,244 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:09,244 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:09,244 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:09,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:04:09,553 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:09,553 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:09,554 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:04:09,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:04:09,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:04:09,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:04:09,556 INFO L87 Difference]: Start difference. First operand 327 states and 387 transitions. Second operand 3 states. [2019-10-07 15:04:09,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:09,594 INFO L93 Difference]: Finished difference Result 496 states and 576 transitions. [2019-10-07 15:04:09,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:04:09,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-07 15:04:09,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:09,600 INFO L225 Difference]: With dead ends: 496 [2019-10-07 15:04:09,600 INFO L226 Difference]: Without dead ends: 329 [2019-10-07 15:04:09,603 INFO L606 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 [2019-10-07 15:04:09,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-10-07 15:04:09,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2019-10-07 15:04:09,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-10-07 15:04:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 389 transitions. [2019-10-07 15:04:09,646 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 389 transitions. Word has length 146 [2019-10-07 15:04:09,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:09,648 INFO L462 AbstractCegarLoop]: Abstraction has 329 states and 389 transitions. [2019-10-07 15:04:09,649 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:04:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 389 transitions. [2019-10-07 15:04:09,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-07 15:04:09,654 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:09,654 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:09,655 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:09,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:09,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1056394090, now seen corresponding path program 1 times [2019-10-07 15:04:09,655 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:09,656 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:09,656 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:09,656 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:09,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:04:09,907 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:09,907 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:09,907 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:04:09,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:04:09,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:04:09,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:04:09,913 INFO L87 Difference]: Start difference. First operand 329 states and 389 transitions. Second operand 3 states. [2019-10-07 15:04:09,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:09,983 INFO L93 Difference]: Finished difference Result 638 states and 782 transitions. [2019-10-07 15:04:09,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:04:09,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2019-10-07 15:04:09,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:09,992 INFO L225 Difference]: With dead ends: 638 [2019-10-07 15:04:09,993 INFO L226 Difference]: Without dead ends: 367 [2019-10-07 15:04:09,999 INFO L606 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 [2019-10-07 15:04:10,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2019-10-07 15:04:10,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 366. [2019-10-07 15:04:10,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-10-07 15:04:10,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 454 transitions. [2019-10-07 15:04:10,035 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 454 transitions. Word has length 151 [2019-10-07 15:04:10,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:10,036 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 454 transitions. [2019-10-07 15:04:10,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:04:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 454 transitions. [2019-10-07 15:04:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 15:04:10,040 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:10,040 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:10,041 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:10,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:10,042 INFO L82 PathProgramCache]: Analyzing trace with hash -308330453, now seen corresponding path program 1 times [2019-10-07 15:04:10,042 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:10,042 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:10,042 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:10,043 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:10,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:04:10,925 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:10,929 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:10,930 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-07 15:04:10,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-07 15:04:10,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-07 15:04:10,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2019-10-07 15:04:10,934 INFO L87 Difference]: Start difference. First operand 366 states and 454 transitions. Second operand 28 states. [2019-10-07 15:04:18,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:18,155 INFO L93 Difference]: Finished difference Result 752 states and 925 transitions. [2019-10-07 15:04:18,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-07 15:04:18,156 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 152 [2019-10-07 15:04:18,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:18,160 INFO L225 Difference]: With dead ends: 752 [2019-10-07 15:04:18,161 INFO L226 Difference]: Without dead ends: 565 [2019-10-07 15:04:18,162 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=1900, Unknown=0, NotChecked=0, Total=2070 [2019-10-07 15:04:18,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2019-10-07 15:04:18,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 553. [2019-10-07 15:04:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2019-10-07 15:04:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 677 transitions. [2019-10-07 15:04:18,215 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 677 transitions. Word has length 152 [2019-10-07 15:04:18,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:18,216 INFO L462 AbstractCegarLoop]: Abstraction has 553 states and 677 transitions. [2019-10-07 15:04:18,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-07 15:04:18,217 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 677 transitions. [2019-10-07 15:04:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-07 15:04:18,222 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:18,222 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:18,222 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:18,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:18,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1246151675, now seen corresponding path program 1 times [2019-10-07 15:04:18,223 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:18,223 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:18,223 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:18,224 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:18,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:18,457 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:04:18,457 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:18,457 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:18,458 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:04:18,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:04:18,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:04:18,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:04:18,460 INFO L87 Difference]: Start difference. First operand 553 states and 677 transitions. Second operand 10 states. [2019-10-07 15:04:18,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:18,535 INFO L93 Difference]: Finished difference Result 562 states and 687 transitions. [2019-10-07 15:04:18,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:04:18,536 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2019-10-07 15:04:18,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:18,546 INFO L225 Difference]: With dead ends: 562 [2019-10-07 15:04:18,547 INFO L226 Difference]: Without dead ends: 557 [2019-10-07 15:04:18,548 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:04:18,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2019-10-07 15:04:18,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2019-10-07 15:04:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2019-10-07 15:04:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 680 transitions. [2019-10-07 15:04:18,593 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 680 transitions. Word has length 156 [2019-10-07 15:04:18,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:18,594 INFO L462 AbstractCegarLoop]: Abstraction has 557 states and 680 transitions. [2019-10-07 15:04:18,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:04:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 680 transitions. [2019-10-07 15:04:18,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-07 15:04:18,598 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:18,598 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:18,598 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:18,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:18,599 INFO L82 PathProgramCache]: Analyzing trace with hash -593879677, now seen corresponding path program 1 times [2019-10-07 15:04:18,599 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:18,599 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:18,599 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:18,599 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:18,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:04:19,054 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:19,054 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:19,054 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-07 15:04:19,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-07 15:04:19,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-07 15:04:19,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-10-07 15:04:19,056 INFO L87 Difference]: Start difference. First operand 557 states and 680 transitions. Second operand 14 states. [2019-10-07 15:04:22,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:22,140 INFO L93 Difference]: Finished difference Result 1165 states and 1401 transitions. [2019-10-07 15:04:22,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-07 15:04:22,141 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 158 [2019-10-07 15:04:22,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:22,147 INFO L225 Difference]: With dead ends: 1165 [2019-10-07 15:04:22,147 INFO L226 Difference]: Without dead ends: 1001 [2019-10-07 15:04:22,149 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=531, Unknown=0, NotChecked=0, Total=650 [2019-10-07 15:04:22,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2019-10-07 15:04:22,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 956. [2019-10-07 15:04:22,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 956 states. [2019-10-07 15:04:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1154 transitions. [2019-10-07 15:04:22,204 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1154 transitions. Word has length 158 [2019-10-07 15:04:22,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:22,205 INFO L462 AbstractCegarLoop]: Abstraction has 956 states and 1154 transitions. [2019-10-07 15:04:22,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-07 15:04:22,205 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1154 transitions. [2019-10-07 15:04:22,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-07 15:04:22,208 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:22,209 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:22,209 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:22,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:22,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1027905274, now seen corresponding path program 1 times [2019-10-07 15:04:22,210 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:22,210 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:22,210 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:22,210 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:22,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-07 15:04:22,598 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:22,599 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:04:22,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:04:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:23,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 2554 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:04:23,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:04:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:04:23,287 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:04:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:04:23,507 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:04:23,545 INFO L162 IcfgInterpreter]: Started Sifa with 155 locations of interest [2019-10-07 15:04:23,546 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:04:23,553 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:04:23,561 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:04:23,566 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:04:58,653 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 652 [2019-10-07 15:05:02,428 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 284 DAG size of output: 231 [2019-10-07 15:05:02,748 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 688 [2019-10-07 15:05:03,009 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 688 [2019-10-07 15:05:03,204 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 688 [2019-10-07 15:05:03,433 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2019-10-07 15:05:04,028 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 15:05:04,678 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 15:05:05,323 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 15:05:05,459 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2019-10-07 15:05:06,092 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 15:05:07,497 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 980 DAG size of output: 978 [2019-10-07 15:05:08,082 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 15:05:08,230 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2019-10-07 15:05:08,782 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 15:05:09,411 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 15:05:09,969 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 15:05:10,103 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2019-10-07 15:05:10,680 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 15:05:10,704 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 541 for LOIs [2019-10-07 15:05:11,010 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:05:11,233 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2019-10-07 15:05:11,709 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 911 [2019-10-07 15:05:11,711 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1012 for LOIs [2019-10-07 15:05:12,254 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:12,837 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:13,036 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:13,811 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:14,413 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:14,975 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:15,171 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:15,999 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:16,599 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:17,168 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:17,464 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:18,236 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:19,325 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1132 DAG size of output: 1012 [2019-10-07 15:05:19,887 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:20,106 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:20,935 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:21,517 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:22,070 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:22,268 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:23,047 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:23,601 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:24,173 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:24,369 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:25,164 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:25,713 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:26,269 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:26,464 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:27,246 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:27,812 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:28,377 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:28,596 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:29,379 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:29,939 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:30,497 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:30,687 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:31,479 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:32,031 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:32,579 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:32,769 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:33,552 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:34,105 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:34,663 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:34,857 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:35,659 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:36,217 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:36,766 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:36,973 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:37,758 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:38,311 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:38,878 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-10-07 15:05:39,075 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:39,853 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:40,728 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:41,511 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:41,720 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:42,503 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:43,920 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1132 DAG size of output: 1130 [2019-10-07 15:05:44,719 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:44,922 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:45,731 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:46,531 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:47,306 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:47,499 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:05:48,288 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:05:49,124 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:05:49,910 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:05:50,109 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-07 15:05:50,904 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:05:52,374 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1136 DAG size of output: 1132 [2019-10-07 15:05:53,163 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1132 [2019-10-07 15:05:53,361 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-07 15:05:54,163 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:05:55,607 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1136 DAG size of output: 1132 [2019-10-07 15:05:56,403 WARN L191 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 1132 [2019-10-07 15:05:56,606 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-07 15:05:57,399 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:05:58,193 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1132 [2019-10-07 15:05:58,985 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1132 [2019-10-07 15:05:59,180 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-07 15:05:59,978 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:00,779 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:01,569 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:01,765 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-07 15:06:02,568 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 15:06:04,220 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1132 DAG size of output: 1130 [2019-10-07 15:06:04,997 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:05,202 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:06:06,011 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:07,438 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1132 DAG size of output: 1130 [2019-10-07 15:06:08,241 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:08,451 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:06:09,234 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:10,033 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:10,819 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:11,020 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:06:11,811 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:13,262 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1132 DAG size of output: 1130 [2019-10-07 15:06:14,055 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:14,323 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:06:15,102 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:16,859 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1132 DAG size of output: 1130 [2019-10-07 15:06:17,666 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:17,865 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:06:18,662 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:19,442 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:20,240 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:20,431 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:06:21,243 WARN L191 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:06:22,073 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:22,883 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:23,088 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-07 15:06:23,894 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:25,377 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1136 DAG size of output: 1134 [2019-10-07 15:06:26,175 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:26,381 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-07 15:06:27,173 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:28,622 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1136 DAG size of output: 1134 [2019-10-07 15:06:29,411 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:29,604 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-07 15:06:30,389 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:31,825 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1136 DAG size of output: 1132 [2019-10-07 15:06:32,621 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1132 [2019-10-07 15:06:32,844 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-07 15:06:33,659 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:35,024 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1138 DAG size of output: 1134 [2019-10-07 15:06:35,834 WARN L191 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 1134 [2019-10-07 15:06:36,037 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2019-10-07 15:06:36,855 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 15:06:37,109 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:06:37,111 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:06:37,122 INFO L168 Benchmark]: Toolchain (without parser) took 155418.12 ms. Allocated memory was 139.5 MB in the beginning and 801.1 MB in the end (delta: 661.7 MB). Free memory was 101.6 MB in the beginning and 627.3 MB in the end (delta: -525.7 MB). Peak memory consumption was 136.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:37,123 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:06:37,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1142.43 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 101.4 MB in the beginning and 140.3 MB in the end (delta: -38.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:37,134 INFO L168 Benchmark]: Boogie Preprocessor took 207.95 ms. Allocated memory is still 204.5 MB. Free memory was 140.3 MB in the beginning and 129.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:37,135 INFO L168 Benchmark]: RCFGBuilder took 5005.43 ms. Allocated memory was 204.5 MB in the beginning and 291.5 MB in the end (delta: 87.0 MB). Free memory was 129.3 MB in the beginning and 83.4 MB in the end (delta: 45.9 MB). Peak memory consumption was 132.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:37,135 INFO L168 Benchmark]: TraceAbstraction took 149053.15 ms. Allocated memory was 291.5 MB in the beginning and 801.1 MB in the end (delta: 509.6 MB). Free memory was 82.6 MB in the beginning and 627.3 MB in the end (delta: -544.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:06:37,138 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1142.43 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 101.4 MB in the beginning and 140.3 MB in the end (delta: -38.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 207.95 ms. Allocated memory is still 204.5 MB. Free memory was 140.3 MB in the beginning and 129.3 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5005.43 ms. Allocated memory was 204.5 MB in the beginning and 291.5 MB in the end (delta: 87.0 MB). Free memory was 129.3 MB in the beginning and 83.4 MB in the end (delta: 45.9 MB). Peak memory consumption was 132.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 149053.15 ms. Allocated memory was 291.5 MB in the beginning and 801.1 MB in the end (delta: 509.6 MB). Free memory was 82.6 MB in the beginning and 627.3 MB in the end (delta: -544.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...