/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_spec11_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:02:25,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:02:25,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:02:25,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:02:25,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:02:25,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:02:25,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:02:25,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:02:25,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:02:25,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:02:25,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:02:25,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:02:25,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:02:25,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:02:25,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:02:25,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:02:25,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:02:25,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:02:25,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:02:25,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:02:25,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:02:25,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:02:25,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:02:25,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:02:25,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:02:25,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:02:25,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:02:25,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:02:25,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:02:25,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:02:25,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:02:25,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:02:25,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:02:25,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:02:25,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:02:25,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:02:25,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:02:25,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:02:25,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:02:25,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:02:25,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:02:25,827 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 17:02:25,869 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:02:25,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:02:25,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:02:25,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:02:25,870 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:02:25,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:02:25,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:02:25,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:02:25,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:02:25,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:02:25,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:02:25,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:02:25,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:02:25,874 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:02:25,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:02:25,875 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:02:25,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:02:25,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:02:25,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:02:25,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:02:25,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:02:25,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:02:25,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:02:25,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:02:25,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:02:25,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:02:25,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:02:25,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:02:25,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:02:25,879 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 17:02:26,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:02:26,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:02:26,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:02:26,236 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:02:26,237 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:02:26,237 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2020-10-12 17:02:26,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43f714329/3ec43d84af17484a8dce29e965b33c0c/FLAG2e5f48f45 [2020-10-12 17:02:26,873 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:02:26,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2020-10-12 17:02:26,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43f714329/3ec43d84af17484a8dce29e965b33c0c/FLAG2e5f48f45 [2020-10-12 17:02:27,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43f714329/3ec43d84af17484a8dce29e965b33c0c [2020-10-12 17:02:27,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:02:27,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:02:27,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:02:27,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:02:27,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:02:27,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:02:27" (1/1) ... [2020-10-12 17:02:27,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ccefb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:27, skipping insertion in model container [2020-10-12 17:02:27,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:02:27" (1/1) ... [2020-10-12 17:02:27,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:02:27,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:02:27,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:02:27,983 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:02:28,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:02:28,153 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:02:28,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:28 WrapperNode [2020-10-12 17:02:28,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:02:28,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:02:28,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:02:28,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:02:28,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:28" (1/1) ... [2020-10-12 17:02:28,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:28" (1/1) ... [2020-10-12 17:02:28,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:28" (1/1) ... [2020-10-12 17:02:28,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:28" (1/1) ... [2020-10-12 17:02:28,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:28" (1/1) ... [2020-10-12 17:02:28,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:28" (1/1) ... [2020-10-12 17:02:28,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:28" (1/1) ... [2020-10-12 17:02:28,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:02:28,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:02:28,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:02:28,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:02:28,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:28" (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 17:02:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:02:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:02:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:02:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:02:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:02:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:02:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:02:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:02:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:02:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:02:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:02:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:02:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:02:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:02:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:02:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:02:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:02:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:02:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:02:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:02:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:02:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:02:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:02:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:02:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:02:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:02:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:02:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:02:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:02:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:02:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:02:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:02:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:02:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:02:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:02:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:02:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:02:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:02:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:02:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:02:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:02:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:02:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:02:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:02:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:02:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:02:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:02:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:02:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:02:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:02:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:02:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:02:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:02:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:02:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:02:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-12 17:02:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:02:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:02:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:02:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:02:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:02:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:02:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:02:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:02:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:02:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:02:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:02:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:02:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:02:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:02:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:02:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:02:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:02:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:02:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:02:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:02:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:02:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:02:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:02:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:02:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:02:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:02:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:02:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:02:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:02:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:02:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:02:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:02:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:02:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:02:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:02:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:02:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:02:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:02:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:02:28,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:02:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:02:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:02:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:02:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:02:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:02:28,435 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:02:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:02:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-12 17:02:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:02:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:02:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:02:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:02:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:02:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:02:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:02:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:02:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:02:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:02:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:02:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:02:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:02:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:02:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:02:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:02:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:02:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:02:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:02:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:02:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:02:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:02:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:02:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:02:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:02:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:02:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:02:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:02:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:02:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:02:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:02:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:02:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:02:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:02:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:02:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:02:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:02:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:02:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:02:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:02:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:02:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:02:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:02:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:02:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:02:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:02:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:02:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:02:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:02:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:02:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:02:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:02:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:02:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:02:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:02:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:02:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:02:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:02:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:02:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:02:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:02:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:02:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:02:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:02:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:02:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:02:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:02:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:02:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:02:28,462 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:02:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:02:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:02:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:02:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:02:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:02:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:02:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:02:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-12 17:02:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-12 17:02:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:02:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:02:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:02:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:02:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:02:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:02:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:02:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:02:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:02:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:02:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:02:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:02:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:02:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:02:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:02:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:02:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:02:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:02:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:02:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:02:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:02:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:02:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:02:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:02:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:02:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:02:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:02:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:02:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:02:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:02:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:02:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:02:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:02:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:02:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:02:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:02:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:02:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:02:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:02:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:02:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:02:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:02:30,125 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:02:30,126 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:02:30,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:02:30 BoogieIcfgContainer [2020-10-12 17:02:30,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:02:30,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:02:30,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:02:30,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:02:30,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:02:27" (1/3) ... [2020-10-12 17:02:30,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39818fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:02:30, skipping insertion in model container [2020-10-12 17:02:30,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:02:28" (2/3) ... [2020-10-12 17:02:30,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39818fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:02:30, skipping insertion in model container [2020-10-12 17:02:30,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:02:30" (3/3) ... [2020-10-12 17:02:30,139 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product08.cil.c [2020-10-12 17:02:30,149 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:02:30,157 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:02:30,172 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:02:30,198 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:02:30,198 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:02:30,198 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:02:30,199 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:02:30,199 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:02:30,199 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:02:30,199 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:02:30,199 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:02:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states. [2020-10-12 17:02:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-12 17:02:30,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:02:30,245 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:02:30,246 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:02:30,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:02:30,252 INFO L82 PathProgramCache]: Analyzing trace with hash -661231331, now seen corresponding path program 1 times [2020-10-12 17:02:30,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:02:30,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [656962899] [2020-10-12 17:02:30,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:02:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:30,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:31,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:31,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:31,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:31,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:35,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:35,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-12 17:02:35,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:02:35,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 17:02:35,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:02:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-12 17:02:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:02:35,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:02:37,232 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-12 17:02:37,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:02:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:37,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:37,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:37,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:02:37,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:37,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 17:02:37,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:37,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:37,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:37,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:37,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:37,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:02:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:37,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:37,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:37,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:02:37,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:37,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:37,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:37,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:37,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:37,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:02:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:37,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:37,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:37,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:02:37,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:02:37,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:37,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:37,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:02:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:37,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:37,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:37,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:02:37,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:37,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:02:37,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:37,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:37,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:37,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:37,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:02:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:37,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:37,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:37,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:37,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:02:42,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:02:42,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 17:02:42,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:02:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:02:42,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:02:42,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:02:42,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:02:42,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:02:42,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:02:42,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:02:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:02:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:02:42,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:02:42,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:02:42,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:02:42,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:02:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:02:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:02:42,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:02:42,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 17:02:42,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:02:42,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:02:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:02:42,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:02:42,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:02:42,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:02:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:02:42,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:02:42,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:02:42,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:02:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:02:42,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:02:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:02:42,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:02:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:02:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:02:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:02:42,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:02:42,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:02:42,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:02:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:02:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:02:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:02:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:02:42,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:02:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:02:42,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 17:02:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:02:42,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:02:42,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:02:42,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:02:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:02:42,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:02:42,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 17:02:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:02:42,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:02:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:42,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 17:02:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:02:42,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:02:42,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:02:42,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:02:42,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:02:42,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:02:42,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:02:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:02:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:02:42,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:02:42,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:02:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:02:43,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [656962899] [2020-10-12 17:02:43,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:02:43,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-12 17:02:43,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457641578] [2020-10-12 17:02:43,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 17:02:43,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:02:43,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 17:02:43,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:02:43,086 INFO L87 Difference]: Start difference. First operand 378 states. Second operand 17 states. [2020-10-12 17:02:45,434 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:02:47,771 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-12 17:02:48,925 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:02:50,192 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:02:51,433 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:03:03,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:03:03,282 INFO L93 Difference]: Finished difference Result 1028 states and 1531 transitions. [2020-10-12 17:03:03,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-12 17:03:03,284 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 152 [2020-10-12 17:03:03,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:03:03,308 INFO L225 Difference]: With dead ends: 1028 [2020-10-12 17:03:03,308 INFO L226 Difference]: Without dead ends: 635 [2020-10-12 17:03:03,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 17:03:03,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2020-10-12 17:03:03,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 360. [2020-10-12 17:03:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-12 17:03:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 472 transitions. [2020-10-12 17:03:03,543 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 472 transitions. Word has length 152 [2020-10-12 17:03:03,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:03:03,544 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 472 transitions. [2020-10-12 17:03:03,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 17:03:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 472 transitions. [2020-10-12 17:03:03,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 17:03:03,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:03:03,550 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:03:03,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:03:03,550 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:03:03,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:03:03,551 INFO L82 PathProgramCache]: Analyzing trace with hash 282543535, now seen corresponding path program 1 times [2020-10-12 17:03:03,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:03:03,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974882673] [2020-10-12 17:03:03,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:03:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:03,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:03,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:03,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:03,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:03,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:04,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:05,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:08,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:08,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-12 17:03:08,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:03:08,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 17:03:08,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:08,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:03:08,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 17:03:08,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:03:08,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:09,750 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-12 17:03:09,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:03:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:09,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:09,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:09,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:09,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:09,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 17:03:09,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:09,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:09,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:09,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:03:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:09,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:09,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:09,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:03:09,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:09,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:03:09,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:09,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:09,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:09,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:09,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:09,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:03:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:09,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:09,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:09,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:03:09,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:09,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:03:09,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:09,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:09,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:09,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:03:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:09,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:09,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:09,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:09,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:03:09,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:09,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:09,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:03:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:09,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:09,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:09,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:09,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:10,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:10,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:14,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:14,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:03:14,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:03:14,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:03:14,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:14,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:03:14,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:03:14,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:03:14,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:03:14,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:14,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:14,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:14,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:03:14,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:14,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:03:14,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:14,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:14,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:14,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:14,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:14,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:03:14,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:14,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:03:14,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:14,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:14,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:14,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:14,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:14,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:14,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:14,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:14,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:14,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:14,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:14,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:14,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:14,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:14,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:14,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:14,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:03:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:14,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:14,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:14,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:14,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:14,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:14,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:14,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:14,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:14,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:03:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:14,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:14,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:03:15,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:03:15,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 17:03:15,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:03:15,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:03:15,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:03:15,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:03:15,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:03:15,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:03:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:03:15,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:15,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:03:15,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:03:15,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:03:15,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:03:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:15,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:03:15,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:03:15,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:03:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:03:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:03:15,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:03:15,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-12 17:03:15,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:03:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:03:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:03:15,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:03:15,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:03:15,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 17:03:15,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:03:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:03:15,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:03:15,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:03:15,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:03:15,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:15,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:03:15,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:03:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:15,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:03:15,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:03:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:03:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:03:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:03:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:03:15,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:03:15,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:03:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:15,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:15,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:15,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:15,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:03:15,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:03:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:15,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:15,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:15,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:03:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:15,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:15,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:03:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:15,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 17:03:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:15,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:15,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:03:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:15,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:03:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:15,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:15,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:15,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:03:15,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:15,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 17:03:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:03:15,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:03:15,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:03:15,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:15,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:15,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:03:15,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:15,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:15,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:03:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:15,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:15,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:15,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:03:15,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:15,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 17:03:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:15,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:15,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:15,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:15,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:15,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:03:15,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:03:15,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:15,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 17:03:15,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974882673] [2020-10-12 17:03:15,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:03:15,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:03:15,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571299333] [2020-10-12 17:03:15,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:03:15,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:03:15,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:03:15,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:03:15,719 INFO L87 Difference]: Start difference. First operand 360 states and 472 transitions. Second operand 23 states. [2020-10-12 17:03:17,999 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:03:19,592 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:03:21,156 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-12 17:03:22,413 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-12 17:03:23,721 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 17:03:24,951 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:03:26,757 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:03:28,907 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:03:42,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:03:42,066 INFO L93 Difference]: Finished difference Result 988 states and 1419 transitions. [2020-10-12 17:03:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-12 17:03:42,072 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 154 [2020-10-12 17:03:42,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:03:42,079 INFO L225 Difference]: With dead ends: 988 [2020-10-12 17:03:42,079 INFO L226 Difference]: Without dead ends: 668 [2020-10-12 17:03:42,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 927 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=606, Invalid=3426, Unknown=0, NotChecked=0, Total=4032 [2020-10-12 17:03:42,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2020-10-12 17:03:42,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 379. [2020-10-12 17:03:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-10-12 17:03:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 495 transitions. [2020-10-12 17:03:42,270 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 495 transitions. Word has length 154 [2020-10-12 17:03:42,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:03:42,270 INFO L479 AbstractCegarLoop]: Abstraction has 379 states and 495 transitions. [2020-10-12 17:03:42,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:03:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 495 transitions. [2020-10-12 17:03:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 17:03:42,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:03:42,274 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:03:42,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:03:42,274 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:03:42,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:03:42,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1513104100, now seen corresponding path program 1 times [2020-10-12 17:03:42,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:03:42,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1546838480] [2020-10-12 17:03:42,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:03:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:42,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:42,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:44,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:44,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:44,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:44,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:47,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:47,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-12 17:03:47,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:03:47,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-12 17:03:47,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:47,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 17:03:47,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 17:03:47,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-12 17:03:47,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:48,694 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-12 17:03:48,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:03:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:48,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:48,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:48,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:48,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:48,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 17:03:48,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:48,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:48,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:03:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:48,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:48,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:48,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:03:48,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:48,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:48,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:48,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:48,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:03:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:48,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:48,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:48,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:03:48,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:48,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:03:48,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:48,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:48,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:48,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:48,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:48,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:03:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:48,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:48,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:48,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:48,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:48,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:03:48,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:48,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:48,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:48,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:48,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:48,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:03:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:48,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:48,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:48,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:48,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:49,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:49,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:49,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:49,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:53,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:53,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:03:53,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:03:53,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:03:53,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:53,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:03:53,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 17:03:53,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:03:53,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:53,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:53,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:53,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:53,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:03:53,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:53,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:03:53,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:53,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:53,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:53,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:53,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:53,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:53,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:53,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:53,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:03:53,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:53,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:03:53,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:53,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:53,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:53,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:53,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:53,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:53,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:53,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:03:53,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:53,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:53,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:53,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:53,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:53,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:03:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:53,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:53,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:53,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:53,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:53,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:53,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:53,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:53,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:53,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:03:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:53,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:53,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:53,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:03:53,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:03:53,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:53,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:53,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:53,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:53,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:53,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:03:53,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:53,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:53,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:53,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:53,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:53,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:53,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:53,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:53,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:03:53,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:53,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:53,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:53,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:53,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:53,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:03:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:53,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:53,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:53,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:03:53,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:53,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:53,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:53,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:53,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:53,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:53,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:53,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:03:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:53,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:53,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:53,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:53,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:03:53,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:03:53,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:03:53,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:03:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:03:53,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:03:53,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:03:54,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:03:54,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:03:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:03:54,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:03:54,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:03:54,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:03:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:03:54,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:03:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:54,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:03:54,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:03:54,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:03:54,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:03:54,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 17:03:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:03:54,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:03:54,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:03:54,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:54,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:03:54,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:54,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:03:54,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:03:54,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:54,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:03:54,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:03:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:54,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:03:54,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:03:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:03:54,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:03:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:54,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:54,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:03:54,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:54,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:03:54,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:03:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:54,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:54,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:03:54,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:54,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:03:54,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:03:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:54,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:03:54,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:03:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:03:54,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:03:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:03:54,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:03:54,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:03:54,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:54,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:03:54,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:03:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:54,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:03:54,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:54,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:03:54,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:54,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 17:03:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:03:54,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:54,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:03:54,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:03:54,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:03:54,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 17:03:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:03:54,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:03:54,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:03:54,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:03:54,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:03:54,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:03:54,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:03:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:03:54,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:03:54,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:03:54,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:03:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:03:54,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1546838480] [2020-10-12 17:03:54,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:03:54,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2020-10-12 17:03:54,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682961185] [2020-10-12 17:03:54,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-12 17:03:54,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:03:54,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-12 17:03:54,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=917, Unknown=0, NotChecked=0, Total=992 [2020-10-12 17:03:54,677 INFO L87 Difference]: Start difference. First operand 379 states and 495 transitions. Second operand 32 states. [2020-10-12 17:03:57,607 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:03:59,294 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 17:04:01,051 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 534 [2020-10-12 17:04:02,668 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 536 [2020-10-12 17:04:04,698 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 17:04:06,964 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 17:04:08,317 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 534 [2020-10-12 17:04:09,779 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 17:04:12,559 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 17:04:19,814 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 531 DAG size of output: 530 [2020-10-12 17:04:21,193 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 17:04:22,438 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 17:04:23,738 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 17:04:25,022 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 534 [2020-10-12 17:04:26,515 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-12 17:04:27,801 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 534 [2020-10-12 17:04:32,350 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:04:34,607 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 17:04:36,121 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 17:04:37,388 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-12 17:04:39,166 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 17:04:45,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:04:45,116 INFO L93 Difference]: Finished difference Result 1139 states and 1599 transitions. [2020-10-12 17:04:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-10-12 17:04:45,118 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 157 [2020-10-12 17:04:45,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:04:45,124 INFO L225 Difference]: With dead ends: 1139 [2020-10-12 17:04:45,125 INFO L226 Difference]: Without dead ends: 810 [2020-10-12 17:04:45,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1997 ImplicationChecksByTransitivity, 31.2s TimeCoverageRelationStatistics Valid=1209, Invalid=7533, Unknown=0, NotChecked=0, Total=8742 [2020-10-12 17:04:45,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2020-10-12 17:04:45,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 488. [2020-10-12 17:04:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2020-10-12 17:04:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 624 transitions. [2020-10-12 17:04:45,336 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 624 transitions. Word has length 157 [2020-10-12 17:04:45,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:04:45,337 INFO L479 AbstractCegarLoop]: Abstraction has 488 states and 624 transitions. [2020-10-12 17:04:45,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-12 17:04:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 624 transitions. [2020-10-12 17:04:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 17:04:45,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:04:45,340 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:04:45,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:04:45,341 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:04:45,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:04:45,341 INFO L82 PathProgramCache]: Analyzing trace with hash -765175097, now seen corresponding path program 1 times [2020-10-12 17:04:45,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:04:45,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006969541] [2020-10-12 17:04:45,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:04:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:45,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:45,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:45,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:45,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:45,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:46,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:48,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:49,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:49,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:50,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:50,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:50,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 17:04:50,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 17:04:50,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 17:04:50,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 17:04:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 17:04:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 17:04:50,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,065 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-12 17:04:52,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:04:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:52,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 17:04:52,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:04:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:04:52,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:04:52,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:04:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:04:52,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:04:52,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:04:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:52,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:04:52,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:04:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:04:52,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:04:52,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-10-12 17:04:52,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:04:52,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 17:04:52,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:04:52,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:04:52,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:04:52,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:04:52,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:52,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:52,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:04:52,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:04:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:52,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:52,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:04:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:04:52,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:04:52,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:04:52,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:52,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:04:52,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:52,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:04:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:04:52,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:52,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:52,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:52,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:04:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:04:52,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:04:52,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:04:52,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:04:52,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:04:52,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:52,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:04:52,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:04:52,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:04:52,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:04:52,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:04:52,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:52,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:52,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:52,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:04:52,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:52,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:04:52,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:52,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:04:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:52,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:04:52,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:04:52,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:04:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:53,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:53,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:53,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:53,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:04:53,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:53,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:04:53,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:04:53,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:04:53,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:53,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 17:04:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:53,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:53,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:04:53,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:04:53,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 17:04:53,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:53,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:04:53,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:53,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:04:53,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:53,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:53,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:53,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:53,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:53,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:04:53,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:53,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:04:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:04:53,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:53,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:04:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:53,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:53,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:53,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:04:53,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:04:53,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:04:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:04:53,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:53,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:04:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:53,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:53,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:53,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:53,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:04:53,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:53,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:04:53,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:53,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:04:53,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:53,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:04:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:53,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:53,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:53,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:04:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:04:53,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:04:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:04:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:53,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:04:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:53,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:53,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:04:53,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:04:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:04:53,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:04:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:04:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:04:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:53,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 17:04:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:53,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:53,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:04:53,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:53,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:04:53,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:04:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:53,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:53,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:04:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:53,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:53,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:53,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:04:53,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:04:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:53,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:04:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:53,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:53,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:04:53,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:53,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:04:53,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:53,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:53,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:04:53,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:53,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:53,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 17:04:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:04:53,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:04:53,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:04:53,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:04:53,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:04:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:04:53,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:04:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:04:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:04:53,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:04:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:04:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:04:53,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006969541] [2020-10-12 17:04:53,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:04:53,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2020-10-12 17:04:53,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926732985] [2020-10-12 17:04:53,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:04:53,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:04:53,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:04:53,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:04:53,712 INFO L87 Difference]: Start difference. First operand 488 states and 624 transitions. Second operand 31 states. [2020-10-12 17:04:56,673 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 533 [2020-10-12 17:04:58,058 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:04:59,736 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:05:02,252 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 17:05:03,593 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 527 [2020-10-12 17:05:04,991 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 527 [2020-10-12 17:05:07,213 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:05:08,581 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:05:10,032 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:05:12,195 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:05:13,555 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:05:15,907 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 527 [2020-10-12 17:05:17,367 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 17:05:21,650 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 527 [2020-10-12 17:05:22,917 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 17:05:24,186 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:05:25,482 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:05:28,215 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:05:31,886 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:05:36,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:05:36,403 INFO L93 Difference]: Finished difference Result 1164 states and 1592 transitions. [2020-10-12 17:05:36,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-12 17:05:36,404 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 158 [2020-10-12 17:05:36,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:05:36,409 INFO L225 Difference]: With dead ends: 1164 [2020-10-12 17:05:36,409 INFO L226 Difference]: Without dead ends: 738 [2020-10-12 17:05:36,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1261 ImplicationChecksByTransitivity, 27.3s TimeCoverageRelationStatistics Valid=707, Invalid=5455, Unknown=0, NotChecked=0, Total=6162 [2020-10-12 17:05:36,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-10-12 17:05:36,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 510. [2020-10-12 17:05:36,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2020-10-12 17:05:36,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 647 transitions. [2020-10-12 17:05:36,568 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 647 transitions. Word has length 158 [2020-10-12 17:05:36,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:05:36,569 INFO L479 AbstractCegarLoop]: Abstraction has 510 states and 647 transitions. [2020-10-12 17:05:36,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 17:05:36,569 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 647 transitions. [2020-10-12 17:05:36,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 17:05:36,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:05:36,572 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:05:36,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:05:36,572 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:05:36,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:05:36,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1338878022, now seen corresponding path program 1 times [2020-10-12 17:05:36,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:05:36,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818251735] [2020-10-12 17:05:36,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:05:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:36,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:36,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:36,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:36,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:37,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:37,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:41,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:41,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 17:05:41,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:05:41,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:05:41,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 17:05:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-12 17:05:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 17:05:41,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:42,971 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-12 17:05:42,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:05:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:42,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:05:43,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:05:43,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:05:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:05:43,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:05:43,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:05:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:05:43,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:05:43,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:05:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:05:43,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:05:43,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:05:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:05:43,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:05:43,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-12 17:05:43,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:05:43,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 17:05:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:05:43,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:05:43,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:05:43,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:05:43,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:05:43,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:43,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:05:43,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:05:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:43,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:05:43,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:05:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:05:43,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:05:43,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:05:43,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:05:43,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:05:43,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:05:43,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:05:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:05:43,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:05:43,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:43,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:43,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:05:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:05:43,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:05:43,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 17:05:43,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:05:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:05:43,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:05:43,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:05:43,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:05:43,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:05:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:05:43,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:05:43,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:05:43,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:05:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:05:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:05:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:05:43,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:05:43,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:05:43,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:05:43,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 17:05:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:05:43,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:05:43,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 17:05:43,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:05:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:05:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:43,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:43,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:43,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:43,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:43,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:05:43,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:05:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:05:43,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:44,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:05:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:44,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:44,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:44,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:44,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:44,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:05:44,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:05:44,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:05:44,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:44,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:05:44,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:44,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:05:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:44,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:44,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:44,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:44,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:44,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:05:44,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:05:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:44,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:05:44,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:44,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:05:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:44,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:44,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:44,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:44,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:44,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:05:44,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:05:44,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:05:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:44,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:05:44,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:44,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:05:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:44,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:44,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:44,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:05:44,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:44,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:05:44,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:44,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:05:44,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:05:44,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:05:44,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:44,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 17:05:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:44,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:44,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:44,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:05:44,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:44,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:05:44,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 17:05:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:44,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:44,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:05:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:44,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:44,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:44,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:05:44,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:44,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:05:44,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:44,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:44,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:05:44,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:44,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:44,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:05:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:44,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:44,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:44,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:05:44,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:44,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:05:44,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:44,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:44,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:05:44,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:44,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:44,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 17:05:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:05:44,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:05:44,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:05:44,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:05:44,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:05:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:05:44,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:05:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:05:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:05:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:05:44,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:05:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:05:44,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818251735] [2020-10-12 17:05:44,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:05:44,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2020-10-12 17:05:44,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076909605] [2020-10-12 17:05:44,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-12 17:05:44,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:05:44,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-12 17:05:44,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=914, Unknown=0, NotChecked=0, Total=992 [2020-10-12 17:05:44,345 INFO L87 Difference]: Start difference. First operand 510 states and 647 transitions. Second operand 32 states. [2020-10-12 17:05:47,437 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 533 [2020-10-12 17:05:50,079 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-12 17:05:51,323 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:05:52,624 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:05:53,963 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:05:57,015 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:05:58,444 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:05:59,920 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 17:06:02,148 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 17:06:03,565 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-12 17:06:05,929 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:06:07,424 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 530