/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:21:22,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:21:22,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:21:22,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:21:22,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:21:22,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:21:22,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:21:22,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:21:22,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:21:22,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:21:22,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:21:22,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:21:22,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:21:22,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:21:22,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:21:22,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:21:22,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:21:22,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:21:22,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:21:22,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:21:22,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:21:22,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:21:22,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:21:22,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:21:22,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:21:22,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:21:22,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:21:22,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:21:22,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:21:22,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:21:22,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:21:22,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:21:22,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:21:22,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:21:22,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:21:22,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:21:22,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:21:22,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:21:22,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:21:22,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:21:22,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:21:22,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 17:21:22,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:21:22,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:21:22,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:21:22,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:21:22,902 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:21:22,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:21:22,902 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:21:22,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:21:22,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:21:22,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:21:22,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:21:22,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:21:22,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:21:22,904 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:21:22,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:21:22,904 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:21:22,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:21:22,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:21:22,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:21:22,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:21:22,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:21:22,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:21:22,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:21:22,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:21:22,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:21:22,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:21:22,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:21:22,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:21:22,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:21:22,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:21:23,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:21:23,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:21:23,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:21:23,235 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:21:23,236 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:21:23,236 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product13.cil.c [2020-10-12 17:21:23,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b272aa395/5f56c8d7229743c593fb4a87a917d9cd/FLAGda4af1c12 [2020-10-12 17:21:23,900 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:21:23,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec4_product13.cil.c [2020-10-12 17:21:23,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b272aa395/5f56c8d7229743c593fb4a87a917d9cd/FLAGda4af1c12 [2020-10-12 17:21:24,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b272aa395/5f56c8d7229743c593fb4a87a917d9cd [2020-10-12 17:21:24,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:21:24,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:21:24,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:21:24,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:21:24,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:21:24,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:21:24" (1/1) ... [2020-10-12 17:21:24,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1780830c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:24, skipping insertion in model container [2020-10-12 17:21:24,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:21:24" (1/1) ... [2020-10-12 17:21:24,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:21:24,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:21:24,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:21:24,992 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:21:25,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:21:25,212 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:21:25,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:25 WrapperNode [2020-10-12 17:21:25,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:21:25,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:21:25,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:21:25,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:21:25,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:25" (1/1) ... [2020-10-12 17:21:25,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:25" (1/1) ... [2020-10-12 17:21:25,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:25" (1/1) ... [2020-10-12 17:21:25,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:25" (1/1) ... [2020-10-12 17:21:25,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:25" (1/1) ... [2020-10-12 17:21:25,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:25" (1/1) ... [2020-10-12 17:21:25,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:25" (1/1) ... [2020-10-12 17:21:25,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:21:25,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:21:25,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:21:25,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:21:25,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:21:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:21:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:21:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:21:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2020-10-12 17:21:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:21:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:21:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:21:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:21:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:21:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:21:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:21:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:21:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:21:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:21:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:21:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:21:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:21:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:21:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:21:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:21:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:21:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:21:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:21:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:21:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:21:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:21:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:21:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:21:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:21:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:21:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:21:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:21:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:21:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:21:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:21:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:21:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:21:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:21:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:21:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:21:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:21:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:21:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:21:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:21:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:21:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:21:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:21:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:21:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:21:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:21:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:21:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:21:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:21:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:21:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:21:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:21:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:21:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:21:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:21:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:21:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:21:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:21:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:21:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:21:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:21:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:21:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:21:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:21:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:21:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:21:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:21:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:21:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:21:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:21:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:21:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:21:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:21:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:21:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:21:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:21:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:21:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:21:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:21:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:21:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:21:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:21:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:21:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:21:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:21:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:21:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-12 17:21:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:21:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:21:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:21:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:21:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:21:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:21:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:21:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:21:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:21:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-12 17:21:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-12 17:21:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:21:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2020-10-12 17:21:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:21:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:21:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:21:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:21:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:21:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:21:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:21:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:21:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:21:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:21:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2020-10-12 17:21:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:21:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:21:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:21:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:21:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:21:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:21:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:21:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:21:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:21:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:21:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:21:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:21:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:21:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:21:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:21:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:21:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:21:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:21:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:21:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:21:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:21:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:21:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:21:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:21:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:21:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:21:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:21:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:21:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:21:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:21:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:21:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:21:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:21:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:21:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:21:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:21:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:21:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:21:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:21:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:21:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:21:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:21:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:21:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:21:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:21:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:21:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:21:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:21:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:21:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:21:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:21:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:21:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:21:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:21:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:21:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:21:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:21:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:21:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:21:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:21:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:21:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:21:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:21:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:21:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:21:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:21:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:21:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:21:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:21:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:21:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:21:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:21:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:21:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:21:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:21:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:21:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:21:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:21:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:21:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:21:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:21:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:21:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:21:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:21:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:21:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:21:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:21:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:21:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:21:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:21:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:21:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:21:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:21:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:21:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:21:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:21:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:21:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:21:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:21:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:21:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:21:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:21:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:21:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:21:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:21:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-12 17:21:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-12 17:21:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:21:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-12 17:21:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:21:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:21:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:21:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2020-10-12 17:21:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:21:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:21:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:21:27,432 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:21:27,433 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:21:27,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:27 BoogieIcfgContainer [2020-10-12 17:21:27,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:21:27,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:21:27,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:21:27,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:21:27,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:21:24" (1/3) ... [2020-10-12 17:21:27,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb9f9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:21:27, skipping insertion in model container [2020-10-12 17:21:27,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:21:25" (2/3) ... [2020-10-12 17:21:27,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb9f9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:21:27, skipping insertion in model container [2020-10-12 17:21:27,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:27" (3/3) ... [2020-10-12 17:21:27,448 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product13.cil.c [2020-10-12 17:21:27,459 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:21:27,468 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:21:27,488 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:21:27,512 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:21:27,513 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:21:27,513 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:21:27,513 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:21:27,513 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:21:27,513 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:21:27,513 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:21:27,513 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:21:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states. [2020-10-12 17:21:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 17:21:27,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:21:27,559 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:21:27,559 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:21:27,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:21:27,566 INFO L82 PathProgramCache]: Analyzing trace with hash -319338325, now seen corresponding path program 1 times [2020-10-12 17:21:27,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:21:27,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082194029] [2020-10-12 17:21:27,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:21:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:28,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:28,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:28,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:28,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:29,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:33,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:33,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-12 17:21:33,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:21:33,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-12 17:21:33,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:33,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:21:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 17:21:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:21:33,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:21:34,867 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:21:34,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:21:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:34,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:34,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:34,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:21:34,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:34,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-12 17:21:34,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:34,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:34,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:34,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:34,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:21:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:34,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:34,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:34,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:21:34,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:34,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:34,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:34,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:34,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:21:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:34,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:34,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:34,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:21:34,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:34,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:34,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:34,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:34,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:21:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:34,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:34,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:34,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:21:34,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:34,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:34,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:34,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:34,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:34,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:34,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:35,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:21:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:35,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:35,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:35,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:35,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:21:40,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:21:40,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 17:21:40,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:21:40,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:21:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:21:40,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:21:40,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:21:40,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:21:40,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:21:40,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:21:40,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:40,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:21:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:40,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:21:40,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:21:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:21:40,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:21:40,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-12 17:21:40,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:21:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:21:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:21:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:21:40,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:21:40,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:21:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:21:40,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:21:40,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:21:40,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:21:40,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:21:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:21:40,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:21:40,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:21:40,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:21:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:21:40,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:21:40,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:21:40,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:21:40,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:21:40,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:40,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:21:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:40,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:21:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:21:40,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:21:40,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:21:40,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:40,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:21:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:40,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:21:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:21:40,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:21:40,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:21:40,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:21:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:21:40,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:21:40,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:21:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:40,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:21:40,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:21:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:40,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:21:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 17:21:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:40,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:21:40,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:21:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:21:40,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:21:40,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:21:40,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:21:40,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:21:40,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:21:40,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:21:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:21:40,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:21:40,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:21:40,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:21:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 17:21:40,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082194029] [2020-10-12 17:21:40,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:21:40,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 17:21:40,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914039942] [2020-10-12 17:21:40,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 17:21:40,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:21:40,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 17:21:40,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 17:21:40,768 INFO L87 Difference]: Start difference. First operand 447 states. Second operand 18 states. [2020-10-12 17:21:43,579 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:21:45,579 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:21:46,906 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:21:48,230 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:21:49,517 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:22:04,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:22:04,834 INFO L93 Difference]: Finished difference Result 1267 states and 1893 transitions. [2020-10-12 17:22:04,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-12 17:22:04,836 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 148 [2020-10-12 17:22:04,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:22:04,860 INFO L225 Difference]: With dead ends: 1267 [2020-10-12 17:22:04,860 INFO L226 Difference]: Without dead ends: 733 [2020-10-12 17:22:04,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1910 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=1158, Invalid=4694, Unknown=0, NotChecked=0, Total=5852 [2020-10-12 17:22:04,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-10-12 17:22:05,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 416. [2020-10-12 17:22:05,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-10-12 17:22:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 553 transitions. [2020-10-12 17:22:05,133 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 553 transitions. Word has length 148 [2020-10-12 17:22:05,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:22:05,133 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 553 transitions. [2020-10-12 17:22:05,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 17:22:05,134 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 553 transitions. [2020-10-12 17:22:05,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 17:22:05,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:22:05,139 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:22:05,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:22:05,140 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:22:05,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:22:05,140 INFO L82 PathProgramCache]: Analyzing trace with hash -189384699, now seen corresponding path program 1 times [2020-10-12 17:22:05,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:22:05,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2047245725] [2020-10-12 17:22:05,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:22:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:05,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:05,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:05,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:05,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:07,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:10,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:10,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-12 17:22:10,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:22:10,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-12 17:22:10,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:10,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:22:10,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-12 17:22:10,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:22:10,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:11,455 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:22:11,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:22:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:11,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:11,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:11,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:22:11,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:11,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 17:22:11,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:11,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:11,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:22:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:11,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:11,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:11,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:22:11,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:11,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:22:11,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:11,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:11,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:11,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:11,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:11,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:22:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:11,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:11,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:11,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:22:11,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:11,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:22:11,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:11,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:11,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:11,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:22:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:11,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:11,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:11,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:22:11,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:11,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:22:11,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:11,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:11,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:11,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:11,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:11,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:22:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:11,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:11,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:11,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:11,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:11,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:11,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:16,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:16,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:22:16,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:22:16,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:22:16,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:22:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:22:16,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:22:16,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:16,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:22:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:16,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:16,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:16,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:22:16,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:16,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:22:16,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:16,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:16,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:16,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:16,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:16,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:22:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:16,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:16,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:16,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:22:16,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:22:16,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:16,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:16,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:22:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:16,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:16,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:16,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:16,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:16,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:22:16,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:16,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:16,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:16,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:16,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:16,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:22:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:16,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:16,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:16,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:16,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:16,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:22:16,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:16,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:16,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:16,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:16,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:22:16,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:22:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:16,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:16,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:16,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:16,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:22:16,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:22:16,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-12 17:22:16,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:16,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:22:16,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:22:16,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:22:16,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:22:16,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:22:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:16,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:16,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:16,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:22:16,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:16,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:22:16,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:16,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:22:16,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:16,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:22:16,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:16,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:22:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:16,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:16,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:16,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:22:16,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:16,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 17:22:16,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:22:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:16,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:22:16,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:16,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:22:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:16,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:16,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:16,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:16,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:16,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:22:16,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:22:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:22:16,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:22:16,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:22:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:22:17,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:22:17,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:22:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:22:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:22:17,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:22:17,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:17,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:17,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:17,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:22:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:17,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:22:17,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:17,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:22:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:17,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:22:17,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:17,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:17,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:22:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:22:17,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:22:17,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:22:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:17,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:22:17,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:22:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:17,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:22:17,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:17,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:22:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:17,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:22:17,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:17,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:17,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:22:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:22:17,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:22:17,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:22:17,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:22:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:22:17,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:22:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:17,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:22:17,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:22:17,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:22:17,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:22:17,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:22:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:17,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:22:17,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:22:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:17,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 17:22:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:17,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:22:17,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:22:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:17,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:22:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:17,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:22:17,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:22:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:17,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 17:22:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:22:17,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:22:17,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:22:17,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:22:17,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:22:17,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:22:17,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:22:17,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:22:17,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:22:17,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:22:17,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:22:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 17:22:17,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2047245725] [2020-10-12 17:22:17,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:22:17,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:22:17,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888155103] [2020-10-12 17:22:17,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:22:17,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:22:17,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:22:17,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:22:17,421 INFO L87 Difference]: Start difference. First operand 416 states and 553 transitions. Second operand 23 states. [2020-10-12 17:22:20,141 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:22:21,790 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:22:23,506 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:22:25,033 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-12 17:22:26,886 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:22:28,177 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:22:29,469 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:22:31,634 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:22:33,023 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:22:39,541 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:22:41,042 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:22:42,424 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:22:43,737 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:22:47,416 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:22:57,903 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:23:12,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:23:12,285 INFO L93 Difference]: Finished difference Result 1806 states and 2664 transitions. [2020-10-12 17:23:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-12 17:23:12,288 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 150 [2020-10-12 17:23:12,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:23:12,306 INFO L225 Difference]: With dead ends: 1806 [2020-10-12 17:23:12,306 INFO L226 Difference]: Without dead ends: 1441 [2020-10-12 17:23:12,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1698 ImplicationChecksByTransitivity, 22.4s TimeCoverageRelationStatistics Valid=1030, Invalid=4976, Unknown=0, NotChecked=0, Total=6006 [2020-10-12 17:23:12,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2020-10-12 17:23:12,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 423. [2020-10-12 17:23:12,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-10-12 17:23:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 565 transitions. [2020-10-12 17:23:12,552 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 565 transitions. Word has length 150 [2020-10-12 17:23:12,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:23:12,552 INFO L479 AbstractCegarLoop]: Abstraction has 423 states and 565 transitions. [2020-10-12 17:23:12,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:23:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 565 transitions. [2020-10-12 17:23:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-12 17:23:12,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:23:12,556 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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] [2020-10-12 17:23:12,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:23:12,556 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:23:12,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:23:12,557 INFO L82 PathProgramCache]: Analyzing trace with hash 891823164, now seen corresponding path program 1 times [2020-10-12 17:23:12,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:23:12,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759458335] [2020-10-12 17:23:12,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:23:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:12,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:12,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:12,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:13,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:17,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:17,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 17:23:17,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:23:17,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-12 17:23:17,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:17,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:23:17,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 17:23:17,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:23:17,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,139 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:23:19,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:23:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:23:19,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 17:23:19,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:23:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:23:19,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:23:19,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:23:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:23:19,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:23:19,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:23:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:23:19,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:23:19,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:23:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:23:19,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:23:19,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-12 17:23:19,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:23:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 17:23:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:23:19,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:23:19,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:23:19,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:23:19,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:19,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:19,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:19,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:23:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:19,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:19,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:23:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:23:19,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:19,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:23:19,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:19,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:23:19,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:19,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:23:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:23:19,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:19,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:19,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:19,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:19,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:23:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:23:19,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:23:19,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-12 17:23:19,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:23:19,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:23:19,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:23:19,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:19,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:23:19,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:23:19,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:23:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:23:19,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:19,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:19,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:19,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:19,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:19,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:23:19,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:23:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:23:19,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:20,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:23:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:20,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:20,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:20,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:20,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:20,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:20,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:20,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:23:20,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:20,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:23:20,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:20,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:23:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:20,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:20,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:20,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:23:20,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:20,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:23:20,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:23:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:23:20,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:20,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:20,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:20,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:20,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:20,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:20,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:20,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:20,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:20,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:20,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:20,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:23:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:20,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:20,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:20,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:20,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:20,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:20,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:20,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:20,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:20,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:20,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:20,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:23:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:20,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:20,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:20,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:23:20,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:20,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:23:20,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:20,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:23:20,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:23:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:23:20,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:20,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:20,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:20,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:20,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:20,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:20,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:20,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:20,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:23:20,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:20,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:23:20,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:20,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:23:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:20,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:20,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:20,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:20,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:20,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:20,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:20,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:20,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:20,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:20,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:20,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:23:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:20,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:20,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:20,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:20,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:20,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:20,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:20,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:20,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:20,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:20,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:20,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:23:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:20,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:20,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:20,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:20,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:20,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:23:20,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:20,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:20,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:20,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:20,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:20,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 17:23:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:20,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:20,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:20,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:20,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:20,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:20,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 17:23:20,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759458335] [2020-10-12 17:23:20,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:23:20,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:23:20,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943745419] [2020-10-12 17:23:20,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:23:20,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:23:20,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:23:20,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:23:20,341 INFO L87 Difference]: Start difference. First operand 423 states and 565 transitions. Second operand 23 states. [2020-10-12 17:23:22,778 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:23:24,472 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:23:26,633 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:23:28,061 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:23:30,033 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:23:31,335 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:23:32,626 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:23:33,940 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:23:39,695 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:23:41,287 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:23:42,702 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:23:44,072 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:23:47,835 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:23:57,882 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:24:11,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:24:11,008 INFO L93 Difference]: Finished difference Result 1795 states and 2654 transitions. [2020-10-12 17:24:11,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-10-12 17:24:11,008 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 151 [2020-10-12 17:24:11,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:24:11,018 INFO L225 Difference]: With dead ends: 1795 [2020-10-12 17:24:11,019 INFO L226 Difference]: Without dead ends: 1431 [2020-10-12 17:24:11,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1760 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=1149, Invalid=5331, Unknown=0, NotChecked=0, Total=6480 [2020-10-12 17:24:11,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2020-10-12 17:24:11,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 421. [2020-10-12 17:24:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-12 17:24:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 562 transitions. [2020-10-12 17:24:11,241 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 562 transitions. Word has length 151 [2020-10-12 17:24:11,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:24:11,242 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 562 transitions. [2020-10-12 17:24:11,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:24:11,242 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 562 transitions. [2020-10-12 17:24:11,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-12 17:24:11,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:24:11,245 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 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] [2020-10-12 17:24:11,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:24:11,245 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:24:11,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:24:11,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1616619417, now seen corresponding path program 2 times [2020-10-12 17:24:11,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:24:11,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [649944698] [2020-10-12 17:24:11,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:24:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:11,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:11,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:11,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:11,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:11,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:16,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:16,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:16,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-12 17:24:16,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:24:16,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 17:24:16,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:24:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-12 17:24:16,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:24:16,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:17,534 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-12 17:24:17,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:24:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:17,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:17,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:24:17,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:17,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:24:17,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:17,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:17,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:17,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:17,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:17,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:24:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:17,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:17,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:24:17,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:17,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:17,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:17,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:17,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:17,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:17,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:17,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:24:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:17,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:17,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:24:17,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:17,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:17,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:17,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:17,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:17,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:17,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:24:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:17,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:17,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:24:17,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:17,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:17,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:17,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:17,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:17,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:17,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:17,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:24:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:17,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 17:24:18,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:24:18,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-12 17:24:18,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:24:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 17:24:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:24:18,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:24:18,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:24:18,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:24:18,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:18,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:24:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:18,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:18,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:24:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:24:18,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:18,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:24:18,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:18,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:24:18,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:18,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:24:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:24:18,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:18,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:24:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:24:18,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:24:18,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 17:24:18,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:24:18,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:24:18,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:24:18,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:24:18,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:24:18,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:24:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:24:18,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:24:18,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:24:18,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:24:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:24:18,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:24:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:18,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:18,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:24:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:24:18,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 17:24:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:24:18,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:24:18,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:24:18,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:24:18,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:18,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:18,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:24:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:18,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:18,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 17:24:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:24:18,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:24:18,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:24:18,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:24:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:24:18,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:18,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:18,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:24:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:24:18,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:24:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:18,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:18,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:18,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 17:24:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:18,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:18,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:18,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 17:24:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:18,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:18,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 17:24:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:18,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:18,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:18,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:18,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:18,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:18,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:18,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:18,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:18,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:18,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 17:24:18,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [649944698] [2020-10-12 17:24:18,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:24:18,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:24:18,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133144197] [2020-10-12 17:24:18,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:24:18,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:24:18,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:24:18,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:24:18,859 INFO L87 Difference]: Start difference. First operand 421 states and 562 transitions. Second operand 23 states. [2020-10-12 17:24:21,061 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:24:22,759 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-12 17:24:25,011 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-12 17:24:27,062 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-12 17:24:28,382 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:24:29,657 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:24:30,962 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:24:32,306 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:24:33,619 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:24:34,924 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-12 17:24:36,273 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:24:42,329 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 539 [2020-10-12 17:24:43,971 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:24:45,428 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-12 17:24:49,275 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 542 [2020-10-12 17:25:00,615 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 544