/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_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:21:25,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:21:25,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:21:25,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:21:25,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:21:25,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:21:25,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:21:25,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:21:25,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:21:25,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:21:25,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:21:25,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:21:25,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:21:25,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:21:25,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:21:25,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:21:25,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:21:25,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:21:25,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:21:25,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:21:25,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:21:25,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:21:25,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:21:25,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:21:25,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:21:25,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:21:25,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:21:25,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:21:25,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:21:25,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:21:25,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:21:25,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:21:25,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:21:25,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:21:25,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:21:25,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:21:25,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:21:25,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:21:25,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:21:25,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:21:25,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:21:25,923 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 17:21:25,961 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:21:25,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:21:25,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:21:25,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:21:25,963 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:21:25,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:21:25,964 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:21:25,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:21:25,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:21:25,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:21:25,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:21:25,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:21:25,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:21:25,967 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:21:25,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:21:25,968 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:21:25,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:21:25,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:21:25,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:21:25,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:21:25,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:21:25,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:21:25,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:21:25,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:21:25,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:21:25,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:21:25,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:21:25,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:21:25,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:21:25,971 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 17:21:26,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:21:26,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:21:26,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:21:26,299 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:21:26,300 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:21:26,301 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product17.cil.c [2020-10-12 17:21:26,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/822619348/2b10b6c48b424e9ab9ba01a79507891d/FLAG8815664fc [2020-10-12 17:21:26,984 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:21:26,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec4_product17.cil.c [2020-10-12 17:21:27,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/822619348/2b10b6c48b424e9ab9ba01a79507891d/FLAG8815664fc [2020-10-12 17:21:27,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/822619348/2b10b6c48b424e9ab9ba01a79507891d [2020-10-12 17:21:27,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:21:27,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:21:27,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:21:27,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:21:27,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:21:27,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:21:27" (1/1) ... [2020-10-12 17:21:27,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6e25e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:27, skipping insertion in model container [2020-10-12 17:21:27,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:21:27" (1/1) ... [2020-10-12 17:21:27,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:21:27,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:21:28,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:21:28,089 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:21:28,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:21:28,363 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:21:28,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:28 WrapperNode [2020-10-12 17:21:28,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:21:28,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:21:28,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:21:28,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:21:28,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:28" (1/1) ... [2020-10-12 17:21:28,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:28" (1/1) ... [2020-10-12 17:21:28,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:28" (1/1) ... [2020-10-12 17:21:28,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:28" (1/1) ... [2020-10-12 17:21:28,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:28" (1/1) ... [2020-10-12 17:21:28,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:28" (1/1) ... [2020-10-12 17:21:28,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:28" (1/1) ... [2020-10-12 17:21:28,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:21:28,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:21:28,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:21:28,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:21:28,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:28" (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 17:21:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:21:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:21:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:21:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2020-10-12 17:21:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:21:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:21:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:21:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:21:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:21:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:21:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:21:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:21:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:21:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:21:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:21:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:21:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:21:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:21:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:21:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:21:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:21:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:21:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:21:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:21:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:21:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:21:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:21:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:21:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:21:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:21:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:21:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:21:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:21:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:21:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:21:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:21:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:21:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:21:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:21:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:21:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:21:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:21:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:21:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:21:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:21:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:21:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:21:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:21:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:21:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:21:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:21:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:21:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-12 17:21:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:21:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:21:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2020-10-12 17:21:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:21:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:21:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-12 17:21:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:21:28,656 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:21:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:21:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:21:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:21:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:21:28,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:21:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:21:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:21:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-12 17:21:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-12 17:21:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-12 17:21:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:21:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:21:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:21:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:21:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:21:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:21:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:21:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:21:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:21:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:21:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:21:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:21:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:21:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:21:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:21:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:21:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:21:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:21:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:21:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:21:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:21:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:21:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:21:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:21:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:21:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:21:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:21:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2020-10-12 17:21:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2020-10-12 17:21:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:21:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:21:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:21:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:21:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:21:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:21:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:21:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:21:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:21:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:21:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:21:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:21:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:21:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:21:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:21:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:21:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:21:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2020-10-12 17:21:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:21:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:21:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:21:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:21:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:21:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:21:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:21:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:21:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:21:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:21:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:21:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:21:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:21:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:21:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:21:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:21:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:21:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:21:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:21:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:21:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:21:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:21:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:21:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:21:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:21:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:21:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:21:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:21:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:21:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:21:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:21:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:21:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:21:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:21:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:21:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:21:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:21:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:21:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:21:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:21:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:21:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:21:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:21:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:21:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:21:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:21:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:21:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:21:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:21:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:21:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:21:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:21:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:21:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:21:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:21:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:21:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-12 17:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:21:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:21:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:21:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:21:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:21:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:21:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:21:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:21:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:21:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:21:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:21:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:21:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:21:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-12 17:21:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-12 17:21:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-12 17:21:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:21:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2020-10-12 17:21:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-12 17:21:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:21:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:21:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:21:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:21:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:21:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:21:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:21:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:21:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:21:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:21:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:21:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:21:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:21:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:21:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:21:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:21:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2020-10-12 17:21:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2020-10-12 17:21:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:21:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:21:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:21:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:21:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:21:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:21:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:21:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:21:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:21:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:21:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:21:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:21:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:21:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:21:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:21:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:21:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:21:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:21:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:21:30,511 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:21:30,512 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:21:30,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:30 BoogieIcfgContainer [2020-10-12 17:21:30,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:21:30,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:21:30,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:21:30,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:21:30,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:21:27" (1/3) ... [2020-10-12 17:21:30,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b484af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:21:30, skipping insertion in model container [2020-10-12 17:21:30,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:28" (2/3) ... [2020-10-12 17:21:30,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b484af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:21:30, skipping insertion in model container [2020-10-12 17:21:30,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:30" (3/3) ... [2020-10-12 17:21:30,528 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product17.cil.c [2020-10-12 17:21:30,538 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:21:30,546 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:21:30,561 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:21:30,586 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:21:30,586 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:21:30,586 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:21:30,586 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:21:30,587 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:21:30,587 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:21:30,587 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:21:30,587 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:21:30,627 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states. [2020-10-12 17:21:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 17:21:30,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:21:30,650 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1] [2020-10-12 17:21:30,650 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:21:30,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:21:30,655 INFO L82 PathProgramCache]: Analyzing trace with hash 513895372, now seen corresponding path program 1 times [2020-10-12 17:21:30,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:21:30,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915312715] [2020-10-12 17:21:30,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:21:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:31,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:31,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:31,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:31,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:32,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:35,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:36,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:36,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-12 17:21:36,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:21:36,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 17:21:36,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:36,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:21:36,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-12 17:21:36,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 17:21:36,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:21:38,212 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:21:38,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:21:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:38,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:38,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:38,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:21:38,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:38,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 17:21:38,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:38,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:38,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:38,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:38,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:21:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:38,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:38,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:38,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:21:38,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:38,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:38,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:38,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:38,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:21:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:38,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:38,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:38,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:21:38,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:38,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:38,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:38,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:38,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:38,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:38,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:38,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:21:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:38,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:38,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:38,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:21:38,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:38,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:38,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:38,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:38,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:38,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:21:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:38,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:38,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:38,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:38,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:38,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:21:43,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:21:43,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:21:43,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:21:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:21:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:21:43,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:43,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:21:43,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:21:43,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:43,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:43,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:43,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:21:43,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:21:43,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:43,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:43,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:43,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:43,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:43,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:43,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:43,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:21:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:43,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:21:43,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:43,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:43,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:43,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:21:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:21:43,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:21:43,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:43,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:43,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:21:43,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:21:43,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:43,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:43,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:21:43,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:43,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:21:43,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:43,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:21:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:21:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:43,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:21:43,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:43,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:43,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:43,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:21:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:21:43,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:21:43,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-12 17:21:43,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:21:43,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:21:43,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:21:43,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:43,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:21:43,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:21:43,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:21:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:21:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:43,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:43,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:21:43,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:21:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:21:43,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:43,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:21:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:43,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:21:43,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:21:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:21:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:43,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:21:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:43,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:43,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:43,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:21:43,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:43,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:21:43,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:43,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:21:43,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:43,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:21:43,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:44,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:44,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:44,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:44,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:44,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:44,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:44,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:44,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:44,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:21:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:44,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:44,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:44,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:44,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:44,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:44,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:44,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:44,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:44,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:44,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:44,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:21:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:44,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:44,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:44,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:21:44,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:44,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 17:21:44,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:21:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:21:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:21:44,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:44,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:44,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:44,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:44,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:44,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:44,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:21:44,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:44,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:21:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:21:44,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:44,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:21:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:44,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:44,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:44,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:44,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:44,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:44,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:21:44,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:44,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:44,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:21:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:44,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:44,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:44,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:44,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:44,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:44,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:21:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:44,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:44,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 17:21:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:44,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:44,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:44,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:44,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:44,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:21:44,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:44,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:21:44,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:44,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:44,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 17:21:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:44,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:44,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:44,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:44,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:44,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:44,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:44,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:44,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:21:44,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:44,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:44,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 17:21:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:44,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:44,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:44,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:44,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:44,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:44,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:44,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:21:44,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:44,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:44,352 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 17:21:44,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915312715] [2020-10-12 17:21:44,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:21:44,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:21:44,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109648412] [2020-10-12 17:21:44,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:21:44,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:21:44,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:21:44,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:21:44,382 INFO L87 Difference]: Start difference. First operand 540 states. Second operand 23 states. [2020-10-12 17:21:47,727 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:21:49,698 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:21:52,122 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:21:54,037 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:21:55,436 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:21:56,807 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:21:58,167 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:22:04,542 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:22:06,358 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:22:07,844 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:22:09,272 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:22:10,709 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:22:15,894 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:22:20,807 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-12 17:22:22,148 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-12 17:22:23,530 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-12 17:22:31,216 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:22:55,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:22:55,641 INFO L93 Difference]: Finished difference Result 2420 states and 4046 transitions. [2020-10-12 17:22:55,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2020-10-12 17:22:55,643 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 157 [2020-10-12 17:22:55,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:22:55,680 INFO L225 Difference]: With dead ends: 2420 [2020-10-12 17:22:55,680 INFO L226 Difference]: Without dead ends: 1703 [2020-10-12 17:22:55,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6599 ImplicationChecksByTransitivity, 29.4s TimeCoverageRelationStatistics Valid=2896, Invalid=14926, Unknown=0, NotChecked=0, Total=17822 [2020-10-12 17:22:55,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2020-10-12 17:22:56,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 530. [2020-10-12 17:22:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2020-10-12 17:22:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 725 transitions. [2020-10-12 17:22:56,097 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 725 transitions. Word has length 157 [2020-10-12 17:22:56,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:22:56,098 INFO L479 AbstractCegarLoop]: Abstraction has 530 states and 725 transitions. [2020-10-12 17:22:56,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:22:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 725 transitions. [2020-10-12 17:22:56,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 17:22:56,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:22:56,105 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1] [2020-10-12 17:22:56,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:22:56,106 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:22:56,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:22:56,106 INFO L82 PathProgramCache]: Analyzing trace with hash -912975636, now seen corresponding path program 1 times [2020-10-12 17:22:56,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:22:56,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210259081] [2020-10-12 17:22:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:22:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:56,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:56,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:56,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:56,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:56,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:56,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:58,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:01,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:01,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-12 17:23:01,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:23:01,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-12 17:23:01,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:01,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:23:01,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 17:23:01,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:23:01,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:02,587 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:23:02,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:23:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:02,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:02,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:02,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:23:02,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:02,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 17:23:02,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:02,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:02,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:02,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:23:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:02,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:02,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:02,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:23:02,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:23:02,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:02,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:02,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:23:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:02,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:02,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:02,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:23:02,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:02,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:02,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:02,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:02,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:23:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:02,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:02,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:02,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:23:02,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:02,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:02,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:02,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:02,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:02,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:02,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:02,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:23:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:02,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:02,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:02,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:03,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:03,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:03,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:07,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:07,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:23:07,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:23:07,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:23:07,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:23:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:23:07,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:23:07,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:07,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:07,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:07,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:07,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:23:07,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:07,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:23:07,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:07,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:07,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:07,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:07,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:07,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:07,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:23:07,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:07,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:07,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:07,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:07,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:07,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:07,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:07,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:07,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:07,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:07,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:07,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:07,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:07,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:07,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:07,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:07,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:07,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:23:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:07,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:07,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:07,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:07,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:07,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:07,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:07,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:07,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:23:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:07,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:07,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:07,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:23:07,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:07,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:23:07,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:07,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:07,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:07,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:07,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:07,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:07,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:07,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:07,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:23:07,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:07,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:07,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:07,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:07,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:07,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:07,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:07,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:07,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:07,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:07,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:07,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:07,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:07,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:07,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:07,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:07,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:23:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:07,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:07,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:07,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:07,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:07,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:07,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:07,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:07,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:07,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:07,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:07,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:23:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:07,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:07,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:07,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:23:08,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:23:08,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-12 17:23:08,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:23:08,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:23:08,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:23:08,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:08,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:23:08,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:23:08,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:23:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:23:08,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:08,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:23:08,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:23:08,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:23:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:23:08,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:08,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:23:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:08,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:23:08,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:23:08,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:08,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:23:08,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:08,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:23:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:23:08,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:23:08,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:23:08,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:08,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:08,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:08,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:08,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:08,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:08,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:23:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:08,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:08,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:08,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:08,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:08,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:08,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:23:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:23:08,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:23:08,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:08,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:23:08,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:08,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:08,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:08,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:08,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:08,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:08,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:08,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:23:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:08,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:08,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:08,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:08,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:08,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:08,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 17:23:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:08,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:08,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:08,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:08,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:23:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:08,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:08,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:08,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:08,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:08,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 17:23:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:08,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:08,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:08,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:08,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:08,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:08,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 17:23:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:08,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:08,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:08,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:08,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:08,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:08,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:08,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 17:23:08,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210259081] [2020-10-12 17:23:08,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:23:08,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-12 17:23:08,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672685582] [2020-10-12 17:23:08,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 17:23:08,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:23:08,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 17:23:08,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 17:23:08,845 INFO L87 Difference]: Start difference. First operand 530 states and 725 transitions. Second operand 18 states. [2020-10-12 17:23:11,340 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:23:13,151 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:23:15,575 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:23:17,004 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:23:33,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:23:33,606 INFO L93 Difference]: Finished difference Result 1350 states and 1993 transitions. [2020-10-12 17:23:33,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 17:23:33,607 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 159 [2020-10-12 17:23:33,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:23:33,617 INFO L225 Difference]: With dead ends: 1350 [2020-10-12 17:23:33,617 INFO L226 Difference]: Without dead ends: 910 [2020-10-12 17:23:33,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=393, Invalid=1413, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 17:23:33,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-10-12 17:23:33,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 530. [2020-10-12 17:23:33,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2020-10-12 17:23:33,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 724 transitions. [2020-10-12 17:23:33,833 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 724 transitions. Word has length 159 [2020-10-12 17:23:33,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:23:33,834 INFO L479 AbstractCegarLoop]: Abstraction has 530 states and 724 transitions. [2020-10-12 17:23:33,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 17:23:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 724 transitions. [2020-10-12 17:23:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 17:23:33,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:23:33,838 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1] [2020-10-12 17:23:33,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:23:33,839 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:23:33,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:23:33,839 INFO L82 PathProgramCache]: Analyzing trace with hash -132945758, now seen corresponding path program 1 times [2020-10-12 17:23:33,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:23:33,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572443961] [2020-10-12 17:23:33,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:23:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:33,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:34,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:34,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:34,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:34,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:35,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:38,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:38,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-12 17:23:38,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:23:38,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 17:23:38,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:38,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:23:38,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 17:23:38,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:23:38,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:40,311 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:23:40,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:23:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:40,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:40,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:40,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:23:40,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:40,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 17:23:40,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:40,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:40,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:40,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:40,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:40,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:23:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:40,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:40,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:40,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:23:40,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:40,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:23:40,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:40,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:40,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:40,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:40,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:40,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:23:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:40,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:40,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:40,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:23:40,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:40,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:23:40,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:40,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:40,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:40,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:23:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:40,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:40,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:40,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:23:40,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:40,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:23:40,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:40,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:40,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:40,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:23:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:40,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:40,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:40,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:40,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:40,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:40,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:43,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:43,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:23:43,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:23:43,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3528 [2020-10-12 17:23:43,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:43,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:23:43,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 17:23:43,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:23:43,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:43,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:43,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:43,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:43,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:23:43,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:43,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:43,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:43,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:43,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:23:44,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:44,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:23:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:23:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:23:44,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:23:44,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:23:44,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:23:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:23:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:23:44,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:23:44,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:23:44,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:23:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:23:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:23:44,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:23:44,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:23:44,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:23:44,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:23:44,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:23:44,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:23:44,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:23:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:23:44,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:23:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:44,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:23:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:23:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:23:44,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:23:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:23:44,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:23:44,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:23:44,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:23:44,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:23:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:23:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:23:44,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:23:44,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:23:44,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:23:44,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:23:44,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:23:44,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:23:44,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:44,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:23:44,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:23:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:44,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:23:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:23:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:44,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 17:23:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 17:23:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:44,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:44,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:44,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:44,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:44,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:44,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:44,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:44,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:44,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:44,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:44,666 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 17:23:44,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572443961] [2020-10-12 17:23:44,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:23:44,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:23:44,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750463467] [2020-10-12 17:23:44,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:23:44,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:23:44,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:23:44,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:23:44,669 INFO L87 Difference]: Start difference. First operand 530 states and 724 transitions. Second operand 23 states. [2020-10-12 17:23:47,563 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:23:49,371 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:23:51,271 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:23:53,317 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:23:55,134 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:23:56,881 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:24:02,864 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:24:04,738 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:24:06,276 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:24:11,996 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:24:21,233 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-12 17:24:23,207 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:24:45,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:24:45,213 INFO L93 Difference]: Finished difference Result 2132 states and 3229 transitions. [2020-10-12 17:24:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-12 17:24:45,214 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 160 [2020-10-12 17:24:45,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:24:45,225 INFO L225 Difference]: With dead ends: 2132 [2020-10-12 17:24:45,226 INFO L226 Difference]: Without dead ends: 1699 [2020-10-12 17:24:45,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1245 ImplicationChecksByTransitivity, 20.3s TimeCoverageRelationStatistics Valid=893, Invalid=4077, Unknown=0, NotChecked=0, Total=4970 [2020-10-12 17:24:45,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2020-10-12 17:24:45,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 539. [2020-10-12 17:24:45,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-10-12 17:24:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 736 transitions. [2020-10-12 17:24:45,480 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 736 transitions. Word has length 160 [2020-10-12 17:24:45,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:24:45,481 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 736 transitions. [2020-10-12 17:24:45,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:24:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 736 transitions. [2020-10-12 17:24:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 17:24:45,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:24:45,484 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1] [2020-10-12 17:24:45,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:24:45,485 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:24:45,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:24:45,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1751920672, now seen corresponding path program 1 times [2020-10-12 17:24:45,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:24:45,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044153696] [2020-10-12 17:24:45,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:24:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:45,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:45,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:45,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:45,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:45,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:47,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:49,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:50,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:50,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-12 17:24:50,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:24:50,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 17:24:50,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:24:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 17:24:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:24:50,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:52,010 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:24:52,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:24:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:52,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:52,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:52,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:24:52,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:52,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 17:24:52,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:52,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:52,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:24:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:52,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:52,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:52,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:24:52,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:52,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:52,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:52,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:52,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:52,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:52,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:52,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:24:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:52,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:52,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:52,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:24:52,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:52,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:52,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:52,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:52,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:52,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:24:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:52,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:52,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:52,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:24:52,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:52,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:52,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:52,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:52,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:52,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:52,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:52,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:24:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:52,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:52,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:52,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:52,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:52,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:52,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:24:57,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:24:57,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:24:57,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:24:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:24:57,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:24:57,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:57,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:24:57,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:57,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:57,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:57,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:57,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:57,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:57,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:24:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:57,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:57,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:24:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:24:57,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:24:57,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 17:24:57,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:24:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:24:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:24:57,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:24:57,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:24:57,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:24:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:24:57,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:57,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:24:57,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:24:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:24:57,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:24:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:57,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:24:57,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:24:57,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:24:57,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:24:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:24:57,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:24:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 17:24:57,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:24:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:24:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:24:57,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:24:57,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:24:57,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:24:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:24:57,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:24:57,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:24:57,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:24:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:24:57,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:24:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:57,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:57,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:24:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:24:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:24:57,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:24:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:24:57,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:24:57,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:24:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:24:57,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:57,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:57,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:57,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:24:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:57,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:57,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:57,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:57,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:57,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:57,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:24:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:57,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:57,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:24:57,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:57,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:24:57,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:57,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:24:57,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:24:57,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:24:57,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:58,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:58,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:58,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:58,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:58,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:58,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:58,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:24:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:24:58,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:58,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:24:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:58,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:58,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:58,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:58,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:58,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:58,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:58,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:58,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:58,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:58,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:58,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:24:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:58,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:58,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:58,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:58,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:58,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:58,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:24:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:58,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:58,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:58,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:58,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:58,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:58,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:58,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:58,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:58,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:58,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:58,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 17:24:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:58,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:58,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:58,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:58,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:58,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:58,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:58,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:58,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:58,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 17:24:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:58,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:58,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:58,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:58,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:58,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:58,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:58,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:58,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:58,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:58,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:58,145 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-12 17:24:58,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044153696] [2020-10-12 17:24:58,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:24:58,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 17:24:58,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008977098] [2020-10-12 17:24:58,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 17:24:58,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:24:58,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 17:24:58,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2020-10-12 17:24:58,148 INFO L87 Difference]: Start difference. First operand 539 states and 736 transitions. Second operand 30 states. [2020-10-12 17:25:02,480 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:25:04,384 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-12 17:25:05,889 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 557