/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:07:59,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:07:59,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:07:59,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:07:59,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:07:59,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:07:59,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:07:59,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:07:59,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:07:59,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:07:59,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:07:59,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:07:59,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:07:59,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:07:59,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:07:59,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:07:59,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:07:59,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:07:59,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:07:59,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:07:59,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:07:59,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:07:59,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:07:59,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:07:59,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:07:59,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:07:59,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:07:59,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:07:59,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:07:59,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:07:59,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:07:59,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:07:59,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:07:59,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:07:59,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:07:59,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:07:59,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:07:59,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:07:59,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:07:59,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:07:59,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:07:59,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 17:07:59,317 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:07:59,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:07:59,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:07:59,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:07:59,319 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:07:59,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:07:59,319 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:07:59,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:07:59,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:07:59,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:07:59,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:07:59,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:07:59,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:07:59,321 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:07:59,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:07:59,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:07:59,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:07:59,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:07:59,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:07:59,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:07:59,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:07:59,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:07:59,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:07:59,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:07:59,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:07:59,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:07:59,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:07:59,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:07:59,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:07:59,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:07:59,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:07:59,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:07:59,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:07:59,646 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:07:59,646 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:07:59,647 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2020-10-12 17:07:59,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0230fa11/e6a271d10322467fa463e2fdf4bb4a09/FLAG3f97bac59 [2020-10-12 17:08:00,364 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:08:00,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product12.cil.c [2020-10-12 17:08:00,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0230fa11/e6a271d10322467fa463e2fdf4bb4a09/FLAG3f97bac59 [2020-10-12 17:08:00,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f0230fa11/e6a271d10322467fa463e2fdf4bb4a09 [2020-10-12 17:08:00,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:08:00,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:08:00,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:08:00,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:08:00,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:08:00,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:08:00" (1/1) ... [2020-10-12 17:08:00,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d97385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:00, skipping insertion in model container [2020-10-12 17:08:00,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:08:00" (1/1) ... [2020-10-12 17:08:00,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:08:00,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:08:01,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:08:01,385 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:08:01,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:08:01,604 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:08:01,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:01 WrapperNode [2020-10-12 17:08:01,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:08:01,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:08:01,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:08:01,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:08:01,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:01" (1/1) ... [2020-10-12 17:08:01,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:01" (1/1) ... [2020-10-12 17:08:01,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:01" (1/1) ... [2020-10-12 17:08:01,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:01" (1/1) ... [2020-10-12 17:08:01,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:01" (1/1) ... [2020-10-12 17:08:01,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:01" (1/1) ... [2020-10-12 17:08:01,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:01" (1/1) ... [2020-10-12 17:08:01,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:08:01,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:08:01,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:08:01,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:08:01,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-12 17:08:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:08:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:08:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:08:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:08:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:08:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:08:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:08:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:08:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:08:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:08:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:08:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:08:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:08:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:08:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:08:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:08:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:08:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:08:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:08:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:08:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:08:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:08:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:08:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:08:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:08:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:08:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:08:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:08:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:08:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:08:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:08:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:08:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:08:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:08:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:08:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:08:01,875 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:08:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:08:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:08:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:08:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:08:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:08:01,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:08:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:08:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:08:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:08:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:08:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:08:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:08:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:08:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:08:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:08:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:08:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:08:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:08:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:08:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:08:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:08:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:08:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:08:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-12 17:08:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:08:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:08:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:08:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:08:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:08:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:08:01,882 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:08:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:08:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:08:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:08:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:08:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:08:01,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:08:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:08:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:08:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:08:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:08:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:08:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:08:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:08:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:08:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:08:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:08:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:08:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:08:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:08:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:08:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:08:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:08:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:08:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:08:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:08:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:08:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:08:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:08:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:08:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:08:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:08:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:08:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:08:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-12 17:08:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:08:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:08:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:08:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-12 17:08:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:08:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:08:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:08:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:08:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:08:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:08:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:08:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:08:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:08:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:08:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:08:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:08:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:08:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:08:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:08:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:08:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:08:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:08:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:08:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:08:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:08:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:08:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:08:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:08:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:08:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:08:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:08:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:08:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:08:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:08:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:08:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:08:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:08:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:08:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:08:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:08:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:08:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:08:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:08:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:08:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:08:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:08:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:08:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:08:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:08:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:08:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:08:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:08:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:08:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:08:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:08:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:08:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:08:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:08:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:08:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:08:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:08:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:08:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:08:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:08:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:08:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:08:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:08:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:08:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:08:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:08:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:08:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:08:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:08:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:08:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:08:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:08:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:08:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:08:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:08:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:08:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:08:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-12 17:08:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:08:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-12 17:08:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:08:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:08:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:08:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:08:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:08:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:08:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:08:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:08:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:08:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:08:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:08:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:08:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:08:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:08:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:08:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:08:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:08:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:08:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:08:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:08:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:08:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:08:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:08:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:08:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:08:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:08:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:08:01,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:08:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:08:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:08:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:08:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:08:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:08:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:08:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:08:01,927 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:08:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:08:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-12 17:08:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:08:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:08:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:08:03,798 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:08:03,799 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:08:03,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:08:03 BoogieIcfgContainer [2020-10-12 17:08:03,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:08:03,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:08:03,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:08:03,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:08:03,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:08:00" (1/3) ... [2020-10-12 17:08:03,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31502b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:08:03, skipping insertion in model container [2020-10-12 17:08:03,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:08:01" (2/3) ... [2020-10-12 17:08:03,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31502b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:08:03, skipping insertion in model container [2020-10-12 17:08:03,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:08:03" (3/3) ... [2020-10-12 17:08:03,814 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product12.cil.c [2020-10-12 17:08:03,825 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:08:03,834 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:08:03,849 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:08:03,876 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:08:03,877 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:08:03,877 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:08:03,877 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:08:03,877 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:08:03,877 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:08:03,877 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:08:03,877 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:08:03,910 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states. [2020-10-12 17:08:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 17:08:03,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:08:03,931 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:08:03,932 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:08:03,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:08:03,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1292534618, now seen corresponding path program 1 times [2020-10-12 17:08:03,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:08:03,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911095516] [2020-10-12 17:08:03,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:08:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:04,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:04,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:05,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:05,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:08,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:08,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:09,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:09,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-12 17:08:09,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:08:09,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-12 17:08:09,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 17:08:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:08:09,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 17:08:09,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:08:11,181 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-12 17:08:11,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:08:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:11,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:11,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:11,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:08:11,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:11,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 17:08:11,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:11,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:08:11,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:11,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:08:11,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:11,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:08:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:11,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:11,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:11,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:08:11,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:11,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:11,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:11,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:08:11,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:11,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:08:11,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:11,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:08:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:11,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:11,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:11,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:08:11,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:11,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:11,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:11,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:08:11,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:11,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:08:11,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:11,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:08:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:11,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:11,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:11,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:08:11,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:11,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:08:11,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:11,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:08:11,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:11,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:08:11,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:11,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:08:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:11,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:11,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:11,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:11,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:15,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:16,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:16,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:08:16,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:08:16,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 17:08:16,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:08:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:08:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:08:16,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:16,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:16,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:16,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:16,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:08:16,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:16,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:08:16,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:16,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:16,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:16,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:16,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:16,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:16,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:16,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:16,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:08:16,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:16,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:08:16,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:16,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:16,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:16,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:16,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:16,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:16,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:16,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:16,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:16,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:16,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:08:16,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:16,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:16,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:16,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:16,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:16,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:08:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:16,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:16,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:16,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:16,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:16,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:08:16,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:16,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:16,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:16,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:16,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:16,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:08:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:16,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:16,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:16,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:16,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:08:16,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:08:16,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-12 17:08:16,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:08:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:08:16,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:08:16,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:16,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:16,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:16,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:16,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:08:16,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 17:08:16,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:16,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:08:16,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:16,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:08:16,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:17,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:17,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:08:17,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:08:17,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:17,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:08:17,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:17,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:08:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:17,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:08:17,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:08:17,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:17,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:08:17,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:08:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:08:17,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:08:17,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:08:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:17,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:08:17,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:08:17,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:17,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:17,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:08:17,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:17,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:08:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:17,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:08:17,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:17,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:17,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:08:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:08:17,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 17:08:17,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:08:17,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:17,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:08:17,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:08:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:17,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:08:17,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:08:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:08:17,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:08:17,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:08:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:17,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:08:17,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:08:17,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:17,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:08:17,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:08:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:17,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:08:17,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:08:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:08:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:08:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:08:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:08:17,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:08:17,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:08:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:08:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:08:17,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:08:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:17,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:17,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:17,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:08:17,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:17,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:08:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:17,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:17,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:17,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:08:17,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:17,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 17:08:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:08:17,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:08:17,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:08:17,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:08:17,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:08:17,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:08:17,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:08:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:08:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:08:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:08:17,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:08:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:08:17,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911095516] [2020-10-12 17:08:17,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:08:17,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:08:17,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051365000] [2020-10-12 17:08:17,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:08:17,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:08:17,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:08:17,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:08:17,667 INFO L87 Difference]: Start difference. First operand 424 states. Second operand 31 states. [2020-10-12 17:08:20,544 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 534 [2020-10-12 17:08:22,637 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:08:26,273 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 538 DAG size of output: 536 [2020-10-12 17:08:28,989 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 541 DAG size of output: 539 [2020-10-12 17:08:31,791 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 541 DAG size of output: 539 [2020-10-12 17:08:34,472 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 541 DAG size of output: 539 [2020-10-12 17:08:39,986 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 541 DAG size of output: 539 [2020-10-12 17:08:42,702 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 544 DAG size of output: 542 [2020-10-12 17:08:45,462 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 541 DAG size of output: 539 [2020-10-12 17:08:49,288 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 541 DAG size of output: 539 [2020-10-12 17:08:53,976 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 540 DAG size of output: 538 [2020-10-12 17:08:55,780 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 534 [2020-10-12 17:08:58,392 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2020-10-12 17:09:00,993 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 540 DAG size of output: 538 [2020-10-12 17:09:03,689 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2020-10-12 17:09:06,453 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2020-10-12 17:09:09,601 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2020-10-12 17:09:12,281 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 541 DAG size of output: 539 [2020-10-12 17:09:14,965 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 544 DAG size of output: 542 [2020-10-12 17:09:17,715 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2020-10-12 17:09:23,070 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:09:25,638 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:09:28,809 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 536 [2020-10-12 17:09:30,324 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:09:31,653 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:09:55,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:09:55,264 INFO L93 Difference]: Finished difference Result 1935 states and 2929 transitions. [2020-10-12 17:09:55,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2020-10-12 17:09:55,267 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 145 [2020-10-12 17:09:55,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:09:55,296 INFO L225 Difference]: With dead ends: 1935 [2020-10-12 17:09:55,297 INFO L226 Difference]: Without dead ends: 1382 [2020-10-12 17:09:55,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7368 ImplicationChecksByTransitivity, 61.8s TimeCoverageRelationStatistics Valid=3278, Invalid=17314, Unknown=0, NotChecked=0, Total=20592 [2020-10-12 17:09:55,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2020-10-12 17:09:55,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 890. [2020-10-12 17:09:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-10-12 17:09:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1228 transitions. [2020-10-12 17:09:55,791 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1228 transitions. Word has length 145 [2020-10-12 17:09:55,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:09:55,791 INFO L479 AbstractCegarLoop]: Abstraction has 890 states and 1228 transitions. [2020-10-12 17:09:55,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 17:09:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1228 transitions. [2020-10-12 17:09:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 17:09:55,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:09:55,801 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:09:55,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:09:55,802 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:09:55,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:09:55,802 INFO L82 PathProgramCache]: Analyzing trace with hash 318969065, now seen corresponding path program 1 times [2020-10-12 17:09:55,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:09:55,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1900148980] [2020-10-12 17:09:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:09:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:09:55,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:55,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:56,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:56,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:56,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:58,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:09:58,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:00,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:00,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-12 17:10:00,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:10:00,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-12 17:10:00,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:00,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 17:10:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:10:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 17:10:00,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:02,131 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-12 17:10:02,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:10:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:02,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:02,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:02,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:10:02,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:02,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 17:10:02,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:02,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:02,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:02,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:02,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:10:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:02,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:02,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:02,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:10:02,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:02,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:10:02,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:02,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:10:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:02,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:02,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:02,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:10:02,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:02,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:02,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:02,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:02,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:02,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:10:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:02,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:02,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:02,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:10:02,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:02,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:02,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:02,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:10:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:02,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:02,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:02,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:02,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:02,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:03,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:03,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:03,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:07,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:10:07,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:10:07,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 17:10:07,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:10:07,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-12 17:10:07,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:10:07,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:07,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:07,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:07,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:10:07,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:07,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:10:07,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:07,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:07,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:07,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:07,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:07,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:07,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:07,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:10:07,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:07,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:07,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:07,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:07,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:07,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:07,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:07,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:07,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:07,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:07,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:07,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:07,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:07,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:07,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:07,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:10:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:07,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:07,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:07,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:07,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:07,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:07,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:07,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:07,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:07,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:07,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:10:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:07,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:07,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:10:07,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:10:07,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 17:10:07,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:10:07,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:10:07,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:10:07,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:07,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:07,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:07,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:10:07,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:10:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:10:07,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:10:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:10:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:07,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:07,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:07,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:10:07,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:10:07,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:10:07,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:07,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:10:07,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:07,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:10:07,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:07,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:10:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:07,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:07,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:07,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:07,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:10:07,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:07,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:10:07,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:10:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:10:07,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:07,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:10:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:07,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:07,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:07,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:10:07,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:10:07,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-12 17:10:07,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:07,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:10:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:10:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:10:07,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:08,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:08,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:08,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:08,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:10:08,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:08,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 17:10:08,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:08,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:10:08,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:08,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:10:08,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:08,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:08,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:08,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:08,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:08,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:08,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:10:08,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:10:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:10:08,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:08,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:10:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:08,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:08,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:08,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:08,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:08,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:10:08,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:10:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:10:08,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:08,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:10:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:08,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:08,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:08,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:10:08,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:08,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:10:08,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:10:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:10:08,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:08,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:08,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:08,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:08,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:08,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:08,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:08,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:08,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:08,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:10:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:08,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:08,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:08,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:08,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:08,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:08,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:08,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:08,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:08,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:08,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:10:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:08,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:08,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:08,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:08,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:08,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:10:08,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:08,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:10:08,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:08,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:10:08,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:08,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 17:10:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:08,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:08,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:08,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:10:08,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:08,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:10:08,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:10:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:10:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:10:08,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:08,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:10:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:08,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:08,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:08,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:08,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:08,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:08,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:10:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:08,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:08,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:10:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:08,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:08,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:10:08,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:08,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:08,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:10:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:08,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:08,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:08,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:08,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:08,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:08,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:08,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:08,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:10:08,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:08,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:08,575 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 17:10:08,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1900148980] [2020-10-12 17:10:08,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:10:08,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:10:08,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270594450] [2020-10-12 17:10:08,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:10:08,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:10:08,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:10:08,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:10:08,580 INFO L87 Difference]: Start difference. First operand 890 states and 1228 transitions. Second operand 31 states. [2020-10-12 17:10:11,268 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:10:12,968 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 536 [2020-10-12 17:10:14,357 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:10:15,756 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:10:17,530 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:10:19,395 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:10:20,869 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:10:22,306 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:10:23,793 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:10:25,107 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:10:26,776 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:10:28,113 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:10:30,758 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:10:32,158 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:10:36,078 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:10:37,581 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:10:39,865 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:10:41,331 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:10:53,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:10:53,908 INFO L93 Difference]: Finished difference Result 2260 states and 3305 transitions. [2020-10-12 17:10:53,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-12 17:10:53,910 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 148 [2020-10-12 17:10:53,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:10:53,921 INFO L225 Difference]: With dead ends: 2260 [2020-10-12 17:10:53,921 INFO L226 Difference]: Without dead ends: 1392 [2020-10-12 17:10:53,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1222 ImplicationChecksByTransitivity, 27.0s TimeCoverageRelationStatistics Valid=882, Invalid=5280, Unknown=0, NotChecked=0, Total=6162 [2020-10-12 17:10:53,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2020-10-12 17:10:54,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 925. [2020-10-12 17:10:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 925 states. [2020-10-12 17:10:54,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1282 transitions. [2020-10-12 17:10:54,266 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1282 transitions. Word has length 148 [2020-10-12 17:10:54,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:10:54,267 INFO L479 AbstractCegarLoop]: Abstraction has 925 states and 1282 transitions. [2020-10-12 17:10:54,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 17:10:54,267 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1282 transitions. [2020-10-12 17:10:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-12 17:10:54,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:10:54,272 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:10:54,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:10:54,272 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:10:54,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:10:54,273 INFO L82 PathProgramCache]: Analyzing trace with hash -2001845734, now seen corresponding path program 1 times [2020-10-12 17:10:54,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:10:54,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118427914] [2020-10-12 17:10:54,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:10:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:54,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:54,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:54,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:54,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:55,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:56,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:56,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:59,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:59,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 17:10:59,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:10:59,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 17:10:59,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 17:10:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:10:59,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-12 17:10:59,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:11:01,200 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-12 17:11:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:11:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:01,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:01,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:01,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:11:01,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:01,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 17:11:01,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:01,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:01,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:01,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:11:01,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:01,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:11:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:01,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:01,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:01,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:11:01,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:01,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:01,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:01,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:01,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:01,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:11:01,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:01,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:11:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:01,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:01,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:01,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:11:01,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:01,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:01,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:01,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:01,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:01,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:11:01,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:01,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:11:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:01,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:01,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:01,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:11:01,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:01,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:11:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:01,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:11:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:01,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:01,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:01,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:01,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:01,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:05,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:05,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:11:05,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:11:05,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4272 [2020-10-12 17:11:05,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:11:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-12 17:11:05,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:05,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:05,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:05,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:05,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:11:05,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:05,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:11:05,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:05,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:05,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:05,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:05,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:05,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:05,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:05,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:05,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:11:05,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:05,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:05,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:05,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:11:05,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:05,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:05,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:05,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:05,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:05,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:05,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:05,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:05,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:11:05,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:11:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:05,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:05,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:05,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:05,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:05,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:05,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:05,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:05,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:05,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:05,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:11:05,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:11:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:05,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:05,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:05,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:05,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:11:05,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:11:05,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-12 17:11:05,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:11:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 17:11:05,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:05,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:05,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:11:06,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:11:06,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:11:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:11:06,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:11:06,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:06,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:11:06,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:11:06,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:06,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:11:06,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:11:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:06,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:06,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:06,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:06,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:11:06,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:11:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:11:06,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:11:06,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:06,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:06,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:11:06,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:11:06,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:06,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:06,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:06,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:06,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:06,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:06,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:06,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:11:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:06,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:06,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:06,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 17:11:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:11:06,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:11:06,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:11:06,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:06,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:11:06,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:06,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:06,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:06,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:06,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:11:06,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:11:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:06,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:11:06,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:11:06,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:06,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:11:06,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:11:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:06,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:06,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:11:06,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:06,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:11:06,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:11:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:11:06,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:11:06,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:11:06,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:11:06,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:11:06,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:11:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:06,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:06,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:06,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:06,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 17:11:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:06,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:06,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:06,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 17:11:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:06,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:06,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:06,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:06,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:06,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:11:06,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:06,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-12 17:11:06,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118427914] [2020-10-12 17:11:06,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:11:06,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:11:06,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658529166] [2020-10-12 17:11:06,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:11:06,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:11:06,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:11:06,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=850, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:11:06,598 INFO L87 Difference]: Start difference. First operand 925 states and 1282 transitions. Second operand 31 states. [2020-10-12 17:11:09,102 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 534 [2020-10-12 17:11:10,901 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:11:13,398 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:11:14,752 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:11:16,179 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:11:17,590 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:11:19,018 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:11:20,489 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:11:22,235 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 536 [2020-10-12 17:11:24,195 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:11:26,755 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:11:28,278 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:11:29,924 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:11:32,538 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:11:35,744 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:11:37,729 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:11:39,082 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:11:40,565 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 538