/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_spec8_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:36:30,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:36:30,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:36:30,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:36:30,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:36:30,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:36:30,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:36:30,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:36:30,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:36:30,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:36:30,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:36:30,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:36:30,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:36:30,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:36:30,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:36:30,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:36:30,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:36:30,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:36:30,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:36:30,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:36:30,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:36:30,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:36:30,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:36:30,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:36:30,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:36:30,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:36:30,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:36:30,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:36:30,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:36:30,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:36:30,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:36:30,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:36:30,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:36:30,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:36:30,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:36:30,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:36:30,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:36:30,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:36:30,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:36:30,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:36:30,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:36:30,240 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 17:36:30,282 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:36:30,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:36:30,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:36:30,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:36:30,283 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:36:30,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:36:30,284 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:36:30,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:36:30,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:36:30,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:36:30,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:36:30,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:36:30,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:36:30,285 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:36:30,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:36:30,285 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:36:30,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:36:30,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:36:30,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:36:30,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:36:30,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:36:30,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:36:30,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:36:30,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:36:30,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:36:30,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:36:30,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:36:30,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:36:30,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:36:30,288 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 17:36:30,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:36:30,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:36:30,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:36:30,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:36:30,573 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:36:30,574 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product15.cil.c [2020-10-12 17:36:30,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7475a3f3e/6bef4dca3963426293e47d7275fb1beb/FLAG7916f6dd9 [2020-10-12 17:36:31,228 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:36:31,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec8_product15.cil.c [2020-10-12 17:36:31,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7475a3f3e/6bef4dca3963426293e47d7275fb1beb/FLAG7916f6dd9 [2020-10-12 17:36:31,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7475a3f3e/6bef4dca3963426293e47d7275fb1beb [2020-10-12 17:36:31,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:36:31,480 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:36:31,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:36:31,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:36:31,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:36:31,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:36:31" (1/1) ... [2020-10-12 17:36:31,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26caa65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:31, skipping insertion in model container [2020-10-12 17:36:31,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:36:31" (1/1) ... [2020-10-12 17:36:31,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:36:31,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:36:32,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:36:32,248 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:36:32,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:36:32,534 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:36:32,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:32 WrapperNode [2020-10-12 17:36:32,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:36:32,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:36:32,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:36:32,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:36:32,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:32" (1/1) ... [2020-10-12 17:36:32,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:32" (1/1) ... [2020-10-12 17:36:32,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:32" (1/1) ... [2020-10-12 17:36:32,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:32" (1/1) ... [2020-10-12 17:36:32,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:32" (1/1) ... [2020-10-12 17:36:32,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:32" (1/1) ... [2020-10-12 17:36:32,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:32" (1/1) ... [2020-10-12 17:36:32,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:36:32,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:36:32,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:36:32,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:36:32,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:32" (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 17:36:32,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:36:32,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:36:32,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:36:32,829 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:36:32,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:36:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:36:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:36:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:36:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:36:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:36:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:36:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:36:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:36:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:36:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:36:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:36:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:36:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:36:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:36:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:36:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:36:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:36:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:36:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:36:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:36:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:36:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:36:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:36:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-12 17:36:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-12 17:36:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:36:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:36:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:36:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:36:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:36:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:36:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:36:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:36:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:36:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:36:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:36:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:36:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:36:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:36:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:36:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:36:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:36:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:36:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:36:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:36:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:36:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:36:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:36:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:36:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:36:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:36:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:36:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:36:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:36:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:36:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:36:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:36:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:36:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:36:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:36:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:36:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:36:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:36:32,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:36:32,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:36:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:36:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:36:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:36:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:36:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:36:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:36:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:36:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:36:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:36:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:36:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:36:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:36:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:36:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:36:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:36:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:36:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:36:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:36:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:36:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-12 17:36:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-12 17:36:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:36:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:36:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:36:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-12 17:36:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:36:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:36:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:36:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:36:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:36:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:36:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:36:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:36:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:36:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:36:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:36:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:36:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:36:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:36:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:36:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:36:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:36:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:36:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:36:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:36:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:36:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:36:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:36:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:36:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:36:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:36:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:36:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:36:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:36:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:36:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:36:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:36:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:36:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:36:32,866 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:36:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:36:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:36:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:36:32,867 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:36:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:36:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:36:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:36:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:36:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:36:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:36:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:36:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:36:32,869 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:36:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:36:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:36:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:36:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:36:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:36:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:36:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:36:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:36:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:36:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:36:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:36:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:36:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-12 17:36:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:36:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:36:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-12 17:36:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-12 17:36:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-12 17:36:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:36:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:36:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:36:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:36:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:36:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:36:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:36:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:36:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:36:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:36:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:36:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:36:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:36:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:36:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:36:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:36:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:36:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:36:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:36:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:36:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:36:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:36:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:36:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:36:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:36:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:36:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:36:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:36:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:36:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:36:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:36:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:36:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:36:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:36:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:36:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:36:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:36:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:36:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:36:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:36:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:36:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:36:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:36:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:36:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:36:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:36:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:36:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:36:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:36:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:36:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:36:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:36:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-12 17:36:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:36:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:36:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:36:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:36:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:36:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:36:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:36:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:36:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:36:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:36:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:36:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:36:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:36:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:36:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:36:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:36:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:36:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:36:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:36:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:36:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:36:34,943 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:36:34,943 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:36:34,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:36:34 BoogieIcfgContainer [2020-10-12 17:36:34,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:36:34,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:36:34,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:36:34,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:36:34,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:36:31" (1/3) ... [2020-10-12 17:36:34,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4f9604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:36:34, skipping insertion in model container [2020-10-12 17:36:34,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:32" (2/3) ... [2020-10-12 17:36:34,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4f9604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:36:34, skipping insertion in model container [2020-10-12 17:36:34,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:36:34" (3/3) ... [2020-10-12 17:36:34,959 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product15.cil.c [2020-10-12 17:36:34,970 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:36:34,978 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:36:34,992 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:36:35,023 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:36:35,024 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:36:35,024 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:36:35,024 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:36:35,024 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:36:35,024 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:36:35,024 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:36:35,025 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:36:35,055 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2020-10-12 17:36:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 17:36:35,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:36:35,075 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:36:35,076 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:36:35,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:36:35,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1184146621, now seen corresponding path program 1 times [2020-10-12 17:36:35,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:36:35,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060196167] [2020-10-12 17:36:35,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:36:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:35,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:36,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:36,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:36,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:39,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:40,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:40,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:40,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-12 17:36:40,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:36:40,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5210 [2020-10-12 17:36:40,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:40,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 17:36:40,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:36:40,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 17:36:40,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:36:42,782 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:36:42,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:36:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:42,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:42,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:42,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:36:42,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:42,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-12 17:36:42,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:36:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:36:42,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:42,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:36:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:42,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:42,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:42,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:36:42,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:42,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:36:42,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:42,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:36:42,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:42,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:36:42,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:42,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:36:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:42,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:42,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:42,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:36:42,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:42,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:36:42,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:42,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:36:42,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:42,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:36:42,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:42,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:36:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:42,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:42,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:42,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:36:42,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:42,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:36:42,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:36:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:36:42,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:43,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:36:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:43,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:43,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:43,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:43,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:47,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:36:48,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:36:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:36:48,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:36:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:36:48,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:36:48,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:36:48,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:36:48,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:36:48,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:36:48,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:36:48,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:36:48,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:48,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:48,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:36:48,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:48,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:48,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:36:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:48,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:48,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:48,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:36:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:36:48,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:36:48,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 17:36:48,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:36:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:36:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:36:48,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:36:48,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 17:36:48,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:36:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:36:48,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:36:48,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:36:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:36:48,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:36:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:36:48,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:36:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:36:48,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:36:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:36:48,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:36:48,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:36:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:48,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:36:48,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:36:48,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:48,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:48,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:48,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:48,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:48,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:36:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:48,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:48,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:36:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:36:48,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:36:48,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:36:48,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:36:48,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:36:48,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:36:48,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:36:48,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:36:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:36:48,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:36:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:36:48,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:36:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:36:48,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:36:48,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:48,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:36:48,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:36:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:36:48,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:36:48,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:36:48,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:36:48,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:36:48,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:36:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:48,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:36:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:36:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:48,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:48,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:36:48,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:48,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 17:36:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:48,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:48,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:48,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:48,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:48,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:48,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:36:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:48,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:48,990 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:36:48,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060196167] [2020-10-12 17:36:48,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:36:48,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:36:48,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334895047] [2020-10-12 17:36:49,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:36:49,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:36:49,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:36:49,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=850, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:36:49,021 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 31 states. [2020-10-12 17:36:53,168 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:36:55,270 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:36:57,677 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:36:59,142 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:37:00,638 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:37:02,120 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:37:06,114 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:37:07,632 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:37:09,290 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:37:12,255 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:37:15,147 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:37:17,078 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:37:18,620 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:37:20,176 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:37:21,785 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:37:23,455 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:37:25,538 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:37:27,126 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:37:28,623 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:37:30,228 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:37:35,413 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:37:37,996 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:37:40,642 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:37:42,190 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:37:43,615 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:37:52,773 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:38:09,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:38:09,569 INFO L93 Difference]: Finished difference Result 2110 states and 3165 transitions. [2020-10-12 17:38:09,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2020-10-12 17:38:09,572 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 145 [2020-10-12 17:38:09,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:38:09,608 INFO L225 Difference]: With dead ends: 2110 [2020-10-12 17:38:09,608 INFO L226 Difference]: Without dead ends: 1519 [2020-10-12 17:38:09,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8275 ImplicationChecksByTransitivity, 43.2s TimeCoverageRelationStatistics Valid=3480, Invalid=18572, Unknown=0, NotChecked=0, Total=22052 [2020-10-12 17:38:09,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-10-12 17:38:10,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1038. [2020-10-12 17:38:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2020-10-12 17:38:10,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1419 transitions. [2020-10-12 17:38:10,130 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1419 transitions. Word has length 145 [2020-10-12 17:38:10,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:38:10,130 INFO L479 AbstractCegarLoop]: Abstraction has 1038 states and 1419 transitions. [2020-10-12 17:38:10,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 17:38:10,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1419 transitions. [2020-10-12 17:38:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 17:38:10,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:38:10,140 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:38:10,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:38:10,141 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:38:10,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:38:10,141 INFO L82 PathProgramCache]: Analyzing trace with hash 535930940, now seen corresponding path program 1 times [2020-10-12 17:38:10,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:38:10,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203916936] [2020-10-12 17:38:10,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:38:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:10,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:10,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:10,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:10,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:10,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:13,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:14,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:15,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:15,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-12 17:38:15,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:38:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 17:38:15,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 17:38:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:38:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 17:38:15,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:38:16,827 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:38:16,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:38:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:16,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:16,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:16,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:38:16,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:16,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-12 17:38:16,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:16,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:16,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:16,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:16,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:16,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:38:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:16,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:16,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:16,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:38:16,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:16,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:16,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:16,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:16,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:16,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:16,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:16,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:38:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:16,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:16,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:16,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:38:16,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:16,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:16,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:16,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:16,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:16,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:16,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:16,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:38:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:16,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:17,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:17,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:38:17,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:17,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:17,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:17,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:17,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:17,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:17,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:17,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:38:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:17,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:17,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:17,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:17,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:17,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:17,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:18,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:38:22,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:38:22,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 17:38:22,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:38:22,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:38:22,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:38:22,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 17:38:22,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:22,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:38:22,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:38:22,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:22,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:38:22,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:38:22,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:38:22,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:22,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:22,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:38:22,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:38:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:38:22,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:38:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:22,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:38:22,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:38:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:38:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:38:22,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:38:22,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 17:38:22,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:38:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:38:22,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:38:22,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:38:22,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 17:38:22,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:38:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:38:22,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:22,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:38:22,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:38:22,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:38:22,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:38:22,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:38:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:22,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:38:22,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:38:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:38:22,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:38:22,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:38:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:38:22,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:22,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:38:22,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:22,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:38:22,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:38:22,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:22,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:22,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:22,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:22,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:22,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:22,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:38:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:22,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:22,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:22,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:22,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:22,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:38:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:22,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:22,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:22,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:38:22,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:22,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:38:22,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:38:22,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:23,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:23,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:23,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:23,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:23,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:38:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:23,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:23,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:23,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:23,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:23,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:23,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:23,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:23,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:38:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:23,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:23,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:23,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:23,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:23,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:23,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:38:23,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 17:38:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:23,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:38:23,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:38:23,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:38:23,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:38:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:38:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:38:23,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:38:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:23,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:23,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:23,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:23,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:38:23,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:38:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:23,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:23,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:23,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:23,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:23,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:38:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:23,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:23,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:23,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:23,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:23,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:23,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 17:38:23,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203916936] [2020-10-12 17:38:23,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:38:23,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 17:38:23,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418123892] [2020-10-12 17:38:23,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 17:38:23,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:38:23,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 17:38:23,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2020-10-12 17:38:23,290 INFO L87 Difference]: Start difference. First operand 1038 states and 1419 transitions. Second operand 30 states. [2020-10-12 17:38:26,861 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:38:28,270 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:38:29,681 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:38:31,105 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:38:32,535 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:38:33,963 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:38:35,626 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:38:37,053 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:38:38,686 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:38:40,106 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:38:41,547 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:38:42,964 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:38:44,710 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:38:46,271 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:38:47,692 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:38:50,497 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:38:51,983 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:38:56,378 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:38:58,007 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:39:00,452 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:39:01,997 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:39:14,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:39:14,875 INFO L93 Difference]: Finished difference Result 2537 states and 3679 transitions. [2020-10-12 17:39:14,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-12 17:39:14,875 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 148 [2020-10-12 17:39:14,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:39:14,888 INFO L225 Difference]: With dead ends: 2537 [2020-10-12 17:39:14,888 INFO L226 Difference]: Without dead ends: 1498 [2020-10-12 17:39:14,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1329 ImplicationChecksByTransitivity, 33.0s TimeCoverageRelationStatistics Valid=869, Invalid=5137, Unknown=0, NotChecked=0, Total=6006 [2020-10-12 17:39:14,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2020-10-12 17:39:15,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1071. [2020-10-12 17:39:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2020-10-12 17:39:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1467 transitions. [2020-10-12 17:39:15,195 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1467 transitions. Word has length 148 [2020-10-12 17:39:15,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:39:15,195 INFO L479 AbstractCegarLoop]: Abstraction has 1071 states and 1467 transitions. [2020-10-12 17:39:15,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-12 17:39:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1467 transitions. [2020-10-12 17:39:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 17:39:15,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:39:15,200 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:39:15,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:39:15,201 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:39:15,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:39:15,201 INFO L82 PathProgramCache]: Analyzing trace with hash 331076427, now seen corresponding path program 1 times [2020-10-12 17:39:15,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:39:15,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047025483] [2020-10-12 17:39:15,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:39:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:15,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:15,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:15,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:15,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:15,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:20,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:20,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 17:39:20,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:39:20,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5114 [2020-10-12 17:39:20,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:20,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 17:39:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:39:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 17:39:20,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:39:22,464 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:39:22,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:39:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:22,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:22,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:22,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:39:22,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:22,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 17:39:22,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:22,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:22,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:22,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:39:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:22,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:22,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:22,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:39:22,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:22,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:22,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:22,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:22,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:39:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:22,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:22,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:22,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:39:22,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:22,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:22,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:22,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:22,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:39:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:22,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:22,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:22,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:39:22,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:22,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:22,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:22,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:22,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:22,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:22,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:22,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:39:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:22,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:22,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:22,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:22,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:23,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:39:27,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:39:27,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 17:39:27,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:39:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:39:27,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:39:27,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:39:27,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 17:39:27,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:39:27,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 17:39:27,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:39:27,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:27,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:39:27,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:39:27,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:39:27,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:27,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:27,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:39:27,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:39:27,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:39:27,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:39:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:27,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:27,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:27,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:39:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:39:27,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:39:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:39:27,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:27,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:39:27,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:39:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:39:27,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:39:27,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:27,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:27,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:27,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:39:27,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:27,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:27,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:27,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:27,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:39:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:39:27,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:27,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:27,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:39:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:39:27,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:27,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:39:27,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:39:27,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:39:27,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:39:27,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:27,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:39:27,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:27,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:27,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:27,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:27,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:27,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:27,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:39:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:27,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:27,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:27,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:27,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:27,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:28,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:39:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:28,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:28,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:28,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:39:28,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:28,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:39:28,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:39:28,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:28,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:39:28,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:28,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:28,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:28,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:28,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:28,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:28,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:28,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:39:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:28,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:28,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:28,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:28,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:28,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:28,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:28,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:28,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:39:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:28,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:28,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:28,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:28,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:28,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:39:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:39:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:28,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:39:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:28,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:28,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:28,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:39:28,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:28,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:39:28,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:39:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:39:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:39:28,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:28,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:39:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:28,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:28,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:28,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:28,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:28,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:28,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:39:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:28,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:28,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:39:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:28,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:28,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:28,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:28,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:28,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:28,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:28,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:28,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:39:28,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:28,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:28,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 17:39:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:28,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:28,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:28,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:28,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:28,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:28,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:39:28,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:28,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:28,283 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:39:28,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047025483] [2020-10-12 17:39:28,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:39:28,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:39:28,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257899018] [2020-10-12 17:39:28,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:39:28,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:39:28,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:39:28,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:39:28,286 INFO L87 Difference]: Start difference. First operand 1071 states and 1467 transitions. Second operand 23 states. [2020-10-12 17:39:31,022 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:39:32,428 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:39:33,807 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:39:35,202 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:39:36,569 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:39:37,970 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:39:39,671 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:39:41,348 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:39:44,002 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:39:45,500 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:39:49,429 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:39:51,015 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:39:53,395 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:39:54,957 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-12 17:40:06,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:40:06,284 INFO L93 Difference]: Finished difference Result 2074 states and 2956 transitions. [2020-10-12 17:40:06,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-12 17:40:06,286 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 149 [2020-10-12 17:40:06,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:40:06,305 INFO L225 Difference]: With dead ends: 2074 [2020-10-12 17:40:06,305 INFO L226 Difference]: Without dead ends: 1495 [2020-10-12 17:40:06,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 23.0s TimeCoverageRelationStatistics Valid=624, Invalid=2682, Unknown=0, NotChecked=0, Total=3306 [2020-10-12 17:40:06,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2020-10-12 17:40:06,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1071. [2020-10-12 17:40:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2020-10-12 17:40:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1467 transitions. [2020-10-12 17:40:06,599 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1467 transitions. Word has length 149 [2020-10-12 17:40:06,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:40:06,600 INFO L479 AbstractCegarLoop]: Abstraction has 1071 states and 1467 transitions. [2020-10-12 17:40:06,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:40:06,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1467 transitions. [2020-10-12 17:40:06,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 17:40:06,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:40:06,604 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:40:06,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:40:06,604 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:40:06,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:40:06,605 INFO L82 PathProgramCache]: Analyzing trace with hash 402532168, now seen corresponding path program 1 times [2020-10-12 17:40:06,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:40:06,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944599835] [2020-10-12 17:40:06,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:40:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:06,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:06,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:06,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:06,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:07,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:10,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:10,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:10,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking...