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_spec6_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:01:20,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:01:20,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:01:20,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:01:20,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:01:20,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:01:20,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:01:20,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:01:20,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:01:20,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:01:20,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:01:20,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:01:20,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:01:20,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:01:20,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:01:20,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:01:20,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:01:20,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:01:20,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:01:20,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:01:20,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:01:20,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:01:20,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:01:20,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:01:20,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:01:20,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:01:20,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:01:20,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:01:20,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:01:20,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:01:20,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:01:20,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:01:20,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:01:20,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:01:20,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:01:20,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:01:20,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:01:20,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:01:20,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:01:20,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:01:20,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:01:20,342 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 15:01:20,375 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:01:20,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:01:20,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:01:20,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:01:20,380 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:01:20,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:01:20,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:01:20,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:01:20,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:01:20,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:01:20,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:01:20,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:01:20,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:01:20,384 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:01:20,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:01:20,384 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:01:20,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:01:20,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:01:20,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:01:20,385 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:01:20,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:01:20,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:01:20,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:01:20,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:01:20,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:01:20,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:01:20,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:01:20,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:01:20,388 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 15:01:20,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:01:20,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:01:20,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:01:20,675 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:01:20,676 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:01:20,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product28.cil.c [2019-10-07 15:01:20,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c19963ae1/01089f804a754c0990f0fa31e33a049d/FLAG695cf8a98 [2019-10-07 15:01:21,348 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:01:21,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product28.cil.c [2019-10-07 15:01:21,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c19963ae1/01089f804a754c0990f0fa31e33a049d/FLAG695cf8a98 [2019-10-07 15:01:21,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c19963ae1/01089f804a754c0990f0fa31e33a049d [2019-10-07 15:01:21,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:01:21,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:01:21,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:01:21,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:01:21,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:01:21,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:01:21" (1/1) ... [2019-10-07 15:01:21,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4ad246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:01:21, skipping insertion in model container [2019-10-07 15:01:21,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:01:21" (1/1) ... [2019-10-07 15:01:21,622 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:01:21,709 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:01:22,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:01:22,520 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:01:22,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:01:22,727 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:01:22,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:01:22 WrapperNode [2019-10-07 15:01:22,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:01:22,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:01:22,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:01:22,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:01:22,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:01:22" (1/1) ... [2019-10-07 15:01:22,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:01:22" (1/1) ... [2019-10-07 15:01:22,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:01:22" (1/1) ... [2019-10-07 15:01:22,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:01:22" (1/1) ... [2019-10-07 15:01:22,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:01:22" (1/1) ... [2019-10-07 15:01:22,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:01:22" (1/1) ... [2019-10-07 15:01:22,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:01:22" (1/1) ... [2019-10-07 15:01:22,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:01:22,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:01:22,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:01:22,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:01:22,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:01:22" (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 15:01:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:01:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:01:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:01:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:01:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:01:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:01:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:01:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:01:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:01:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:01:23,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:01:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:01:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:01:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:01:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:01:23,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:01:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:01:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:01:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:01:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:01:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:01:23,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:01:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:01:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:01:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 15:01:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:01:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:01:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:01:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:01:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:01:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:01:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:01:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:01:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:01:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:01:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:01:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:01:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:01:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:01:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:01:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:01:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-07 15:01:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 15:01:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:01:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:01:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:01:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:01:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:01:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:01:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:01:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:01:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:01:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:01:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:01:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:01:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:01:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:01:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:01:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:01:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:01:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:01:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:01:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:01:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:01:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:01:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:01:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:01:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:01:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:01:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:01:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:01:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:01:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:01:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:01:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:01:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:01:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:01:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:01:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:01:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:01:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:01:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:01:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:01:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:01:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:01:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:01:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:01:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:01:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:01:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:01:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:01:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:01:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:01:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:01:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:01:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:01:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:01:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:01:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:01:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:01:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:01:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:01:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:01:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:01:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:01:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:01:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:01:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:01:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:01:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:01:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:01:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:01:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:01:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:01:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:01:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:01:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:01:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:01:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:01:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:01:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:01:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:01:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:01:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:01:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:01:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:01:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:01:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:01:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:01:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:01:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:01:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:01:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:01:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:01:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:01:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:01:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:01:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:01:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:01:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:01:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:01:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:01:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:01:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:01:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:01:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:01:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:01:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:01:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:01:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:01:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:01:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:01:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:01:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:01:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:01:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:01:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:01:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:01:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:01:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:01:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:01:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:01:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:01:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:01:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:01:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:01:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:01:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:01:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:01:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:01:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:01:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:01:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:01:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:01:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:01:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:01:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:01:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:01:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:01:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:01:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:01:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:01:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 15:01:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:01:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:01:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:01:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:01:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:01:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:01:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:01:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:01:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:01:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-07 15:01:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 15:01:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:01:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:01:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:01:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:01:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:01:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:01:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:01:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:01:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:01:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:01:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:01:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:01:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:01:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:01:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:01:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:01:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:01:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:01:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:01:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:01:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:01:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:01:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:01:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:01:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:01:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:01:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:01:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:01:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:01:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:01:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:01:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:01:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:01:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:01:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:01:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:01:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:01:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:01:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:01:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:01:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:01:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:01:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:01:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:01:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:01:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:01:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:01:28,050 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:01:28,051 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:01:28,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:01:28 BoogieIcfgContainer [2019-10-07 15:01:28,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:01:28,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:01:28,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:01:28,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:01:28,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:01:21" (1/3) ... [2019-10-07 15:01:28,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fdf48d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:01:28, skipping insertion in model container [2019-10-07 15:01:28,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:01:22" (2/3) ... [2019-10-07 15:01:28,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fdf48d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:01:28, skipping insertion in model container [2019-10-07 15:01:28,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:01:28" (3/3) ... [2019-10-07 15:01:28,062 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product28.cil.c [2019-10-07 15:01:28,074 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:01:28,084 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:01:28,098 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:01:28,130 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:01:28,130 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:01:28,130 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:01:28,130 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:01:28,131 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:01:28,131 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:01:28,131 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:01:28,131 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:01:28,161 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states. [2019-10-07 15:01:28,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-07 15:01:28,179 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:01:28,181 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, 1] [2019-10-07 15:01:28,182 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:01:28,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:01:28,189 INFO L82 PathProgramCache]: Analyzing trace with hash -547214977, now seen corresponding path program 1 times [2019-10-07 15:01:28,198 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:01:28,199 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:28,199 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:28,199 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:28,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:01:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:28,829 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 15:01:28,830 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:28,831 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:01:28,831 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:01:28,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:01:28,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:01:28,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:01:28,853 INFO L87 Difference]: Start difference. First operand 380 states. Second operand 2 states. [2019-10-07 15:01:28,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:01:28,921 INFO L93 Difference]: Finished difference Result 533 states and 636 transitions. [2019-10-07 15:01:28,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:01:28,926 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 147 [2019-10-07 15:01:28,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:01:28,946 INFO L225 Difference]: With dead ends: 533 [2019-10-07 15:01:28,946 INFO L226 Difference]: Without dead ends: 338 [2019-10-07 15:01:28,952 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 15:01:28,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2019-10-07 15:01:29,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2019-10-07 15:01:29,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-10-07 15:01:29,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 402 transitions. [2019-10-07 15:01:29,038 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 402 transitions. Word has length 147 [2019-10-07 15:01:29,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:01:29,040 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 402 transitions. [2019-10-07 15:01:29,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:01:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 402 transitions. [2019-10-07 15:01:29,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-07 15:01:29,046 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:01:29,046 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, 1, 1] [2019-10-07 15:01:29,046 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:01:29,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:01:29,047 INFO L82 PathProgramCache]: Analyzing trace with hash -629811066, now seen corresponding path program 1 times [2019-10-07 15:01:29,047 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:01:29,047 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:29,047 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:29,047 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:29,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:01:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:29,320 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 15:01:29,323 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:29,323 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:01:29,323 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:01:29,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:01:29,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:01:29,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:01:29,326 INFO L87 Difference]: Start difference. First operand 338 states and 402 transitions. Second operand 3 states. [2019-10-07 15:01:29,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:01:29,382 INFO L93 Difference]: Finished difference Result 518 states and 606 transitions. [2019-10-07 15:01:29,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:01:29,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-10-07 15:01:29,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:01:29,393 INFO L225 Difference]: With dead ends: 518 [2019-10-07 15:01:29,394 INFO L226 Difference]: Without dead ends: 340 [2019-10-07 15:01:29,398 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 15:01:29,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2019-10-07 15:01:29,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2019-10-07 15:01:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-10-07 15:01:29,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 404 transitions. [2019-10-07 15:01:29,451 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 404 transitions. Word has length 148 [2019-10-07 15:01:29,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:01:29,452 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 404 transitions. [2019-10-07 15:01:29,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:01:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 404 transitions. [2019-10-07 15:01:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 15:01:29,455 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:01:29,455 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] [2019-10-07 15:01:29,455 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:01:29,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:01:29,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1887986862, now seen corresponding path program 1 times [2019-10-07 15:01:29,456 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:01:29,456 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:29,456 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:29,457 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:29,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:01:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:29,634 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 15:01:29,634 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:29,635 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:01:29,635 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:01:29,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:01:29,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:01:29,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:01:29,636 INFO L87 Difference]: Start difference. First operand 340 states and 404 transitions. Second operand 3 states. [2019-10-07 15:01:29,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:01:29,691 INFO L93 Difference]: Finished difference Result 660 states and 812 transitions. [2019-10-07 15:01:29,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:01:29,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-07 15:01:29,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:01:29,698 INFO L225 Difference]: With dead ends: 660 [2019-10-07 15:01:29,698 INFO L226 Difference]: Without dead ends: 378 [2019-10-07 15:01:29,701 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 15:01:29,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-10-07 15:01:29,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 377. [2019-10-07 15:01:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2019-10-07 15:01:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 469 transitions. [2019-10-07 15:01:29,735 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 469 transitions. Word has length 153 [2019-10-07 15:01:29,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:01:29,738 INFO L462 AbstractCegarLoop]: Abstraction has 377 states and 469 transitions. [2019-10-07 15:01:29,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:01:29,738 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 469 transitions. [2019-10-07 15:01:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-07 15:01:29,748 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:01:29,748 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] [2019-10-07 15:01:29,749 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:01:29,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:01:29,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1141184974, now seen corresponding path program 1 times [2019-10-07 15:01:29,749 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:01:29,749 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:29,750 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:29,750 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:29,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:01:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:30,464 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 15:01:30,464 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:30,465 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:01:30,465 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-10-07 15:01:30,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-07 15:01:30,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-07 15:01:30,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2019-10-07 15:01:30,467 INFO L87 Difference]: Start difference. First operand 377 states and 469 transitions. Second operand 24 states. [2019-10-07 15:01:37,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:01:37,030 INFO L93 Difference]: Finished difference Result 970 states and 1169 transitions. [2019-10-07 15:01:37,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-07 15:01:37,031 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 154 [2019-10-07 15:01:37,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:01:37,038 INFO L225 Difference]: With dead ends: 970 [2019-10-07 15:01:37,038 INFO L226 Difference]: Without dead ends: 719 [2019-10-07 15:01:37,040 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=255, Invalid=2295, Unknown=0, NotChecked=0, Total=2550 [2019-10-07 15:01:37,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2019-10-07 15:01:37,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 710. [2019-10-07 15:01:37,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2019-10-07 15:01:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 847 transitions. [2019-10-07 15:01:37,080 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 847 transitions. Word has length 154 [2019-10-07 15:01:37,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:01:37,080 INFO L462 AbstractCegarLoop]: Abstraction has 710 states and 847 transitions. [2019-10-07 15:01:37,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-07 15:01:37,081 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 847 transitions. [2019-10-07 15:01:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 15:01:37,084 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:01:37,084 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, 1, 1] [2019-10-07 15:01:37,084 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:01:37,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:01:37,085 INFO L82 PathProgramCache]: Analyzing trace with hash 361186936, now seen corresponding path program 1 times [2019-10-07 15:01:37,085 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:01:37,085 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:37,085 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:37,085 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:01:37,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:01:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:37,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:01:37,665 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:01:37,665 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:01:37,667 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 15:01:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:01:38,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 2610 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:01:38,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:01:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:01:38,434 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:01:38,697 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:01:38,698 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:01:38,729 INFO L162 IcfgInterpreter]: Started Sifa with 145 locations of interest [2019-10-07 15:01:38,730 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:01:38,740 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:01:38,748 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:01:38,749 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:02:34,577 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:02:39,579 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 343 DAG size of output: 279 [2019-10-07 15:02:39,955 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 15:02:40,269 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 15:02:40,476 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 15:02:40,619 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 15:02:41,308 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 1046 [2019-10-07 15:02:42,021 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1046 [2019-10-07 15:02:42,733 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 1046 [2019-10-07 15:02:42,884 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 15:02:43,554 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1046 [2019-10-07 15:02:44,835 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1048 DAG size of output: 1046 [2019-10-07 15:02:45,498 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1046 [2019-10-07 15:02:45,649 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 15:02:46,320 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1046 [2019-10-07 15:02:46,971 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1046 [2019-10-07 15:02:47,607 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1046 [2019-10-07 15:02:47,732 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 15:02:48,390 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1046 [2019-10-07 15:02:48,416 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 568 for LOIs [2019-10-07 15:02:48,762 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2019-10-07 15:02:48,875 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2019-10-07 15:02:49,017 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 15:02:49,500 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 965 [2019-10-07 15:02:49,501 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1079 for LOIs [2019-10-07 15:02:50,109 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:02:50,760 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:02:50,978 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:02:51,858 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:02:52,500 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:02:53,136 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:02:53,353 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:02:54,197 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:02:54,853 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:02:55,471 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:02:55,721 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:02:56,599 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:02:57,677 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1079 [2019-10-07 15:02:58,299 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:02:58,619 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:02:59,473 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:00,098 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:00,717 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:00,938 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:01,786 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:02,418 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:03,033 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:03,282 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:04,117 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:04,724 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:05,334 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:05,551 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:06,384 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:07,026 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:07,631 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:07,823 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:08,669 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:09,271 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:09,879 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:10,072 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:10,897 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:11,511 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:12,134 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:12,331 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:13,166 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:13,774 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:14,391 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:14,590 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:15,420 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:16,034 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:16,645 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:16,842 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:17,680 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:18,287 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:18,892 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:03:19,085 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:19,913 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:20,807 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:21,645 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:21,853 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:22,709 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:24,301 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1202 [2019-10-07 15:03:25,140 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:25,350 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:26,199 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:27,035 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:27,880 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:28,074 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:28,896 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:29,754 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 15:03:30,588 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 15:03:30,785 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:03:31,617 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:03:33,090 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1208 DAG size of output: 1204 [2019-10-07 15:03:33,913 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 15:03:34,115 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:03:34,933 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:03:35,748 WARN L191 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 15:03:36,560 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 15:03:36,755 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:03:37,590 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:03:38,431 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 15:03:39,253 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-07 15:03:39,451 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:03:40,271 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:03:41,095 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:03:41,921 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:03:42,119 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:03:42,950 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 15:03:45,199 WARN L191 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1202 [2019-10-07 15:03:46,021 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:46,236 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:47,055 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:48,574 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1202 [2019-10-07 15:03:49,392 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:49,615 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:50,441 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:51,266 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:52,086 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:52,278 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:53,100 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:55,195 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1202 [2019-10-07 15:03:56,017 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:56,222 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:03:57,046 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:03:59,344 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1202 [2019-10-07 15:04:00,167 WARN L191 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:04:00,369 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:04:01,192 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:04:02,023 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:04:02,851 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:04:03,062 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2019-10-07 15:04:03,882 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 15:04:04,743 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:04:05,571 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:04:05,772 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:04:06,598 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:04:07,446 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:04:08,285 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:04:08,485 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:04:09,317 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:04:10,149 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:04:10,978 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:04:11,172 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:04:11,999 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:04:13,532 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1206 [2019-10-07 15:04:14,364 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:04:14,567 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:04:15,401 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1206 [2019-10-07 15:04:16,852 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1208 [2019-10-07 15:04:17,685 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 15:04:17,886 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:04:18,731 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1208 [2019-10-07 15:04:18,987 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:04:18,988 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 15:04:18,995 INFO L168 Benchmark]: Toolchain (without parser) took 177391.27 ms. Allocated memory was 138.9 MB in the beginning and 730.9 MB in the end (delta: 591.9 MB). Free memory was 100.0 MB in the beginning and 191.4 MB in the end (delta: -91.4 MB). Peak memory consumption was 500.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:04:18,996 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:04:18,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1122.96 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 99.8 MB in the beginning and 138.6 MB in the end (delta: -38.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:04:18,997 INFO L168 Benchmark]: Boogie Preprocessor took 189.21 ms. Allocated memory is still 204.5 MB. Free memory was 138.6 MB in the beginning and 128.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:04:18,998 INFO L168 Benchmark]: RCFGBuilder took 5131.82 ms. Allocated memory was 204.5 MB in the beginning and 292.0 MB in the end (delta: 87.6 MB). Free memory was 128.9 MB in the beginning and 227.0 MB in the end (delta: -98.2 MB). Peak memory consumption was 136.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:04:18,998 INFO L168 Benchmark]: TraceAbstraction took 170938.43 ms. Allocated memory was 292.0 MB in the beginning and 730.9 MB in the end (delta: 438.8 MB). Free memory was 227.0 MB in the beginning and 191.4 MB in the end (delta: 35.6 MB). Peak memory consumption was 474.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:04:19,002 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1122.96 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 99.8 MB in the beginning and 138.6 MB in the end (delta: -38.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 189.21 ms. Allocated memory is still 204.5 MB. Free memory was 138.6 MB in the beginning and 128.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5131.82 ms. Allocated memory was 204.5 MB in the beginning and 292.0 MB in the end (delta: 87.6 MB). Free memory was 128.9 MB in the beginning and 227.0 MB in the end (delta: -98.2 MB). Peak memory consumption was 136.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 170938.43 ms. Allocated memory was 292.0 MB in the beginning and 730.9 MB in the end (delta: 438.8 MB). Free memory was 227.0 MB in the beginning and 191.4 MB in the end (delta: 35.6 MB). Peak memory consumption was 474.4 MB. 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...