/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:10:05,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:10:05,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:10:05,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:10:05,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:10:05,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:10:05,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:10:05,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:10:05,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:10:05,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:10:05,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:10:05,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:10:05,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:10:05,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:10:05,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:10:05,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:10:05,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:10:05,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:10:05,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:10:05,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:10:05,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:10:05,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:10:05,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:10:05,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:10:05,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:10:05,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:10:05,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:10:05,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:10:05,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:10:05,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:10:05,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:10:05,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:10:05,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:10:05,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:10:05,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:10:05,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:10:05,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:10:05,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:10:05,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:10:05,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:10:05,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:10:05,646 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 17:10:05,669 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:10:05,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:10:05,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:10:05,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:10:05,670 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:10:05,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:10:05,671 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:10:05,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:10:05,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:10:05,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:10:05,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:10:05,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:10:05,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:10:05,672 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:10:05,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:10:05,673 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:10:05,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:10:05,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:10:05,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:10:05,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:10:05,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:10:05,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:10:05,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:10:05,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:10:05,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:10:05,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:10:05,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:10:05,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:10:05,675 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:10:05,675 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 17:10:06,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:10:06,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:10:06,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:10:06,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:10:06,052 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:10:06,052 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2020-10-12 17:10:06,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96f5605e3/1eb4d4bc3ff64eaf84495119058efafb/FLAGd9b70d64f [2020-10-12 17:10:06,739 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:10:06,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2020-10-12 17:10:06,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96f5605e3/1eb4d4bc3ff64eaf84495119058efafb/FLAGd9b70d64f [2020-10-12 17:10:06,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96f5605e3/1eb4d4bc3ff64eaf84495119058efafb [2020-10-12 17:10:06,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:10:06,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:10:06,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:10:06,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:10:06,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:10:06,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:10:06" (1/1) ... [2020-10-12 17:10:06,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69889533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:10:06, skipping insertion in model container [2020-10-12 17:10:06,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:10:06" (1/1) ... [2020-10-12 17:10:06,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:10:07,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:10:07,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:10:07,838 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:10:07,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:10:08,054 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:10:08,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:10:08 WrapperNode [2020-10-12 17:10:08,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:10:08,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:10:08,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:10:08,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:10:08,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:10:08" (1/1) ... [2020-10-12 17:10:08,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:10:08" (1/1) ... [2020-10-12 17:10:08,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:10:08" (1/1) ... [2020-10-12 17:10:08,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:10:08" (1/1) ... [2020-10-12 17:10:08,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:10:08" (1/1) ... [2020-10-12 17:10:08,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:10:08" (1/1) ... [2020-10-12 17:10:08,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:10:08" (1/1) ... [2020-10-12 17:10:08,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:10:08,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:10:08,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:10:08,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:10:08,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:10:08" (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 17:10:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:10:08,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:10:08,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:10:08,339 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:10:08,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2020-10-12 17:10:08,341 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2020-10-12 17:10:08,341 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:10:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-12 17:10:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:10:08,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:10:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:10:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-12 17:10:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:10:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:10:08,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:10:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:10:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:10:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:10:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:10:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:10:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:10:08,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:10:08,346 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:10:08,346 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:10:08,347 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:10:08,347 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:10:08,348 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:10:08,348 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:10:08,348 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:10:08,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:10:08,348 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:10:08,348 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:10:08,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:10:08,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:10:08,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:10:08,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:10:08,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:10:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:10:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:10:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:10:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:10:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:10:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:10:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:10:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:10:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:10:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:10:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:10:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:10:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:10:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:10:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:10:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:10:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:10:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:10:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:10:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:10:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:10:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:10:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:10:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:10:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:10:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:10:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:10:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:10:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:10:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:10:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:10:08,356 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:10:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:10:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:10:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:10:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-12 17:10:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-12 17:10:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2020-10-12 17:10:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:10:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:10:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:10:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:10:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:10:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:10:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:10:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:10:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:10:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:10:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-12 17:10:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-12 17:10:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:10:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:10:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:10:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:10:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:10:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:10:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:10:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:10:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:10:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:10:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:10:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:10:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:10:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:10:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:10:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:10:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:10:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:10:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:10:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:10:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:10:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:10:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:10:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:10:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:10:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:10:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:10:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:10:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:10:08,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:10:08,368 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:10:08,368 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:10:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:10:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:10:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:10:08,369 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:10:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:10:08,370 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:10:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:10:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:10:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:10:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:10:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:10:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:10:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:10:08,375 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:10:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:10:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2020-10-12 17:10:08,376 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2020-10-12 17:10:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-12 17:10:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:10:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:10:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-12 17:10:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:10:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:10:08,377 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:10:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:10:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:10:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:10:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:10:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:10:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:10:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:10:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:10:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:10:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:10:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:10:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:10:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:10:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:10:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:10:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:10:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:10:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:10:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:10:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:10:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:10:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:10:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:10:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:10:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:10:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:10:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:10:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:10:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:10:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:10:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:10:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:10:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:10:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:10:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:10:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:10:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:10:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:10:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:10:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:10:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:10:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:10:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:10:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:10:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:10:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:10:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:10:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:10:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:10:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:10:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:10:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:10:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:10:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:10:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:10:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:10:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:10:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:10:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:10:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:10:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:10:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:10:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:10:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:10:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:10:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:10:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:10:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:10:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:10:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:10:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:10:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:10:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:10:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:10:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:10:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:10:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:10:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:10:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:10:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:10:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:10:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:10:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:10:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:10:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-12 17:10:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-12 17:10:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:10:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:10:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-12 17:10:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-12 17:10:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2020-10-12 17:10:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:10:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:10:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:10:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:10:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:10:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:10:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:10:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:10:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:10:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:10:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:10:10,376 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:10:10,376 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:10:10,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:10:10 BoogieIcfgContainer [2020-10-12 17:10:10,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:10:10,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:10:10,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:10:10,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:10:10,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:10:06" (1/3) ... [2020-10-12 17:10:10,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f58d4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:10:10, skipping insertion in model container [2020-10-12 17:10:10,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:10:08" (2/3) ... [2020-10-12 17:10:10,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f58d4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:10:10, skipping insertion in model container [2020-10-12 17:10:10,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:10:10" (3/3) ... [2020-10-12 17:10:10,406 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product30.cil.c [2020-10-12 17:10:10,417 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:10:10,429 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:10:10,444 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:10:10,475 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:10:10,475 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:10:10,475 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:10:10,475 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:10:10,476 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:10:10,476 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:10:10,476 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:10:10,476 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:10:10,515 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states. [2020-10-12 17:10:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 17:10:10,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:10:10,541 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, 1, 1, 1, 1, 1, 1] [2020-10-12 17:10:10,541 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:10:10,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:10:10,547 INFO L82 PathProgramCache]: Analyzing trace with hash -928970746, now seen corresponding path program 1 times [2020-10-12 17:10:10,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:10:10,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543925643] [2020-10-12 17:10:10,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:10:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:11,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:11,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:11,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:11,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:13,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:16,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:16,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 17:10:16,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:10:16,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-12 17:10:16,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:16,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:10:16,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-12 17:10:16,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 17:10:16,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:10:18,011 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:10:18,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:10:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:18,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:18,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:18,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:10:18,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:18,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-12 17:10:18,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:18,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:18,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:18,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:18,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:18,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:10:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:18,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:18,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:18,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:10:18,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:18,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:18,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:18,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:18,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:10:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:18,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:18,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:18,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:10:18,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:18,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:18,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:18,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:18,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:18,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:18,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:18,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:10:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:18,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:18,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:18,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:10:18,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:18,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:18,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:18,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:18,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:18,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:18,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:18,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:10:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:18,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:18,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:18,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:18,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:18,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:10:23,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:10:23,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 17:10:23,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:10:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:10:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:10:23,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:23,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:10:23,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:23,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:10:23,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:23,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:23,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:23,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:10:23,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:10:23,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:23,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:10:23,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:23,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:23,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:23,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:23,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:10:23,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:23,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:23,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:10:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:23,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:23,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:23,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:23,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:23,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:23,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:10:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:10:23,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:23,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:10:23,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:23,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:23,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:23,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:10:23,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:23,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:10:23,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:23,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:23,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:23,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:23,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:23,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:23,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:23,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:23,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:23,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:23,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:23,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:10:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:23,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:23,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:23,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:23,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:23,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:23,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:23,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:10:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:10:23,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:10:23,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-12 17:10:23,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:10:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:10:23,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:10:23,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:23,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:10:23,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:23,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 17:10:23,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:10:23,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:23,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:10:23,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:23,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:23,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:23,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:10:23,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:10:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:10:23,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:23,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:10:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:23,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:23,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:23,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:23,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:23,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:10:23,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:10:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:10:23,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:24,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:10:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:24,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:24,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:24,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:10:24,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:24,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:10:24,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:10:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:10:24,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:24,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:24,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:24,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:24,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:24,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:24,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:24,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:24,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:10:24,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:10:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:24,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:24,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:24,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:24,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:24,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:24,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:24,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:24,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:10:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:24,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:24,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:24,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:10:24,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:24,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:10:24,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:24,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:10:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:10:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:10:24,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:24,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:10:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:24,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:24,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:24,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:24,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:24,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:10:24,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:10:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:10:24,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:10:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:24,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:10:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:24,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:24,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:24,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:24,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:24,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:24,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:24,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:24,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:10:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:24,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:24,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:10:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:24,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:24,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:24,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:10:24,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:24,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:24,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:24,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:24,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:10:24,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:24,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:24,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 17:10:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:24,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:24,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:24,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:24,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:24,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:24,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:24,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:24,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:10:24,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:24,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:24,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:10:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:24,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:24,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:24,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:24,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:24,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:24,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:24,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:10:24,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:24,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:24,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 17:10:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:10:24,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:10:24,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:10:24,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:10:24,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:10:24,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:10:24,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:10:24,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:10:24,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:10:24,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:10:24,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:10:24,388 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 17:10:24,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543925643] [2020-10-12 17:10:24,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:10:24,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-12 17:10:24,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356644666] [2020-10-12 17:10:24,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:10:24,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:10:24,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:10:24,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:10:24,415 INFO L87 Difference]: Start difference. First operand 544 states. Second operand 23 states. [2020-10-12 17:10:27,305 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:10:29,359 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:10:31,941 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:10:33,981 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:10:35,396 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:10:36,816 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:10:38,294 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:10:44,384 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:10:45,952 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:10:47,494 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:10:49,004 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:10:50,508 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:10:57,316 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:10:59,111 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:11:00,497 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:11:01,913 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:11:15,380 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:11:34,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:11:34,993 INFO L93 Difference]: Finished difference Result 2450 states and 3967 transitions. [2020-10-12 17:11:34,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2020-10-12 17:11:34,996 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 158 [2020-10-12 17:11:34,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:11:35,032 INFO L225 Difference]: With dead ends: 2450 [2020-10-12 17:11:35,032 INFO L226 Difference]: Without dead ends: 1729 [2020-10-12 17:11:35,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6904 ImplicationChecksByTransitivity, 30.1s TimeCoverageRelationStatistics Valid=2898, Invalid=14924, Unknown=0, NotChecked=0, Total=17822 [2020-10-12 17:11:35,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1729 states. [2020-10-12 17:11:35,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1729 to 534. [2020-10-12 17:11:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-12 17:11:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 708 transitions. [2020-10-12 17:11:35,506 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 708 transitions. Word has length 158 [2020-10-12 17:11:35,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:11:35,507 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 708 transitions. [2020-10-12 17:11:35,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:11:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 708 transitions. [2020-10-12 17:11:35,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 17:11:35,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:11:35,514 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, 1, 1, 1, 1, 1, 1] [2020-10-12 17:11:35,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:11:35,515 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:11:35,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:11:35,515 INFO L82 PathProgramCache]: Analyzing trace with hash -220897159, now seen corresponding path program 1 times [2020-10-12 17:11:35,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:11:35,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036179214] [2020-10-12 17:11:35,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:11:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:35,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:35,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:35,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:35,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:36,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:36,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:36,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:40,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:40,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-12 17:11:40,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:11:40,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-12 17:11:40,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:11:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-12 17:11:40,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:11:40,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:11:42,408 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:11:42,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:11:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:42,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:42,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:42,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:11:42,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:42,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 17:11:42,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:42,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:42,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:42,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:11:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:42,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:42,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:42,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:11:42,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:42,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:42,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:42,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:42,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:42,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:42,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:11:42,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:11:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:42,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:42,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:42,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:11:42,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:42,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:42,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:42,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:42,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:42,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:42,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:42,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:11:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:42,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:42,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:42,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:11:42,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:42,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:42,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:42,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:42,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:42,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:42,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:11:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:42,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:42,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:42,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:43,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:43,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:43,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:47,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:11:47,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:11:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 17:11:47,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:11:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:11:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:11:47,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:47,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:47,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:47,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:11:47,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:47,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:11:47,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:47,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:47,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:47,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:47,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:47,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:47,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:47,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:11:47,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:47,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:47,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:47,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:47,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:47,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:47,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:47,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:47,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:47,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:11:47,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:11:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:47,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:47,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:47,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:47,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:47,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:11:47,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:11:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:47,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:47,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:11:47,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:11:47,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 17:11:47,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:11:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:11:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:11:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:47,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:47,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:47,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:11:47,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:47,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:11:47,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:47,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:11:47,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:47,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:11:47,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:47,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:47,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:47,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:47,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:47,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:11:47,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:11:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:47,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:11:47,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:47,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:11:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:47,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:47,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:47,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:47,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:11:47,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:47,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:11:47,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:47,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:11:47,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:47,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:11:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:47,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:47,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:11:48,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:11:48,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 17:11:48,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:11:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:11:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:11:48,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:11:48,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:11:48,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:11:48,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:11:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:11:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:48,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:11:48,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:11:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:48,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:11:48,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:11:48,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:11:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:48,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:11:48,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:11:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:11:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:11:48,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:11:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:11:48,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:11:48,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:11:48,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:48,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:48,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:48,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:48,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:48,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:48,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:11:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:48,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:48,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:48,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:11:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:11:48,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:11:48,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:11:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:11:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:48,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:48,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:11:48,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:48,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:11:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:48,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:48,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:48,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:48,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:48,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 17:11:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:11:48,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:48,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:11:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:11:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:48,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:48,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:48,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:48,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:48,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 17:11:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:48,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:48,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:48,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 17:11:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:11:48,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:11:48,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:11:48,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:11:48,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:11:48,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:11:48,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:11:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:11:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:11:48,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:11:48,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:11:48,526 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 17:11:48,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036179214] [2020-10-12 17:11:48,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:11:48,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 17:11:48,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433778874] [2020-10-12 17:11:48,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 17:11:48,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:11:48,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 17:11:48,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2020-10-12 17:11:48,531 INFO L87 Difference]: Start difference. First operand 534 states and 708 transitions. Second operand 24 states. [2020-10-12 17:11:52,204 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:11:54,098 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:11:55,859 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:11:57,299 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:11:58,746 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:12:00,158 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:12:02,171 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:12:03,701 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:12:05,194 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:12:06,953 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:12:26,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:12:26,325 INFO L93 Difference]: Finished difference Result 1444 states and 2058 transitions. [2020-10-12 17:12:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-12 17:12:26,331 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 160 [2020-10-12 17:12:26,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:12:26,338 INFO L225 Difference]: With dead ends: 1444 [2020-10-12 17:12:26,338 INFO L226 Difference]: Without dead ends: 956 [2020-10-12 17:12:26,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1165 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=832, Invalid=4280, Unknown=0, NotChecked=0, Total=5112 [2020-10-12 17:12:26,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-10-12 17:12:26,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 524. [2020-10-12 17:12:26,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-10-12 17:12:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 693 transitions. [2020-10-12 17:12:26,587 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 693 transitions. Word has length 160 [2020-10-12 17:12:26,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:12:26,588 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 693 transitions. [2020-10-12 17:12:26,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 17:12:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 693 transitions. [2020-10-12 17:12:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 17:12:26,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:12:26,592 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, 1, 1, 1, 1, 1] [2020-10-12 17:12:26,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:12:26,592 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:12:26,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:12:26,593 INFO L82 PathProgramCache]: Analyzing trace with hash 626416600, now seen corresponding path program 1 times [2020-10-12 17:12:26,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:12:26,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140318388] [2020-10-12 17:12:26,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:12:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:26,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:26,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:26,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:27,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:31,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:31,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:31,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-12 17:12:31,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:12:31,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 17:12:31,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:31,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 17:12:31,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:12:31,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-12 17:12:31,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:33,402 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:12:33,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:12:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:33,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:33,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:33,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:12:33,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:33,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-12 17:12:33,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:33,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:33,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:33,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:12:33,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:33,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:12:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:33,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:33,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:33,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:12:33,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:33,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:12:33,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:33,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:12:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:33,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:33,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:33,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:12:33,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:33,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:12:33,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:33,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:33,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:33,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:12:33,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:33,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:12:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:33,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:33,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:33,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:12:33,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:33,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:33,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:33,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:33,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:33,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:12:33,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:33,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:12:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:33,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:33,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:33,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:33,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:33,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:38,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:38,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:12:38,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:12:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 17:12:38,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:38,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:12:38,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:38,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-12 17:12:38,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:38,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:38,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:38,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:38,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:12:38,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:38,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:12:38,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:38,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:38,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:38,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:38,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:12:38,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:38,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:12:38,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:38,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:38,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:38,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:38,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:38,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:38,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:38,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:38,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:38,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:38,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:38,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:38,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:38,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:12:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:38,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:38,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:38,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:38,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:38,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:38,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:38,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:38,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:38,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:38,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:38,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:12:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:38,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:38,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:38,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:38,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:12:38,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:12:38,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 17:12:38,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:38,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:12:38,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:38,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 17:12:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:38,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:38,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:38,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:38,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:12:38,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:38,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:12:38,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:12:38,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:38,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:12:38,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:38,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:38,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:38,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:38,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:12:38,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:38,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:12:38,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:38,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:12:38,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:38,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:12:38,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:12:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:12:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:38,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:38,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:38,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:12:38,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:38,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:12:38,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:38,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:38,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:38,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:12:38,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:38,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:12:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:38,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:12:39,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:12:39,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:39,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:12:39,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:12:39,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:12:39,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:12:39,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:39,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:39,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:39,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:12:39,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:39,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:39,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:39,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:39,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:12:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:12:39,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:39,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:39,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:12:39,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 17:12:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:12:39,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 17:12:39,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:12:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:12:39,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:39,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:12:39,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:39,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:39,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:12:39,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:12:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:39,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:12:39,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:12:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:12:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:12:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:12:39,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:12:39,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:12:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:12:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:12:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:39,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:12:39,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:39,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:39,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:39,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:12:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:39,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:12:39,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:12:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:12:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:12:39,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 17:12:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:12:39,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:12:39,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:12:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:12:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:12:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 17:12:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:39,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:39,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:12:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:39,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 17:12:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:39,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:39,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:12:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 17:12:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:12:39,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:12:39,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:12:39,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:12:39,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:12:39,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:12:39,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:12:39,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:12:39,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:12:39,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:12:39,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:12:39,578 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-12 17:12:39,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140318388] [2020-10-12 17:12:39,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:12:39,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-12 17:12:39,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086076470] [2020-10-12 17:12:39,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-12 17:12:39,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:12:39,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-12 17:12:39,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2020-10-12 17:12:39,580 INFO L87 Difference]: Start difference. First operand 524 states and 693 transitions. Second operand 32 states. [2020-10-12 17:12:43,037 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:12:44,975 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:12:47,465 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:12:49,025 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:12:50,544 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:12:52,021 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:12:53,468 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:12:54,963 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:12:56,734 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:12:58,884 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:13:01,312 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:13:02,953 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:13:04,714 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:13:08,070 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:13:11,447 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:13:13,711 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:13:18,353 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:13:20,100 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:13:21,659 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:13:23,300 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:13:25,383 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:13:27,218 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:13:28,931 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:13:30,637 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:13:33,412 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:13:36,649 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:13:40,961 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:13:42,659 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:13:44,262 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 562