/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_spec9_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:40:40,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:40:40,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:40:40,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:40:40,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:40:40,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:40:40,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:40:40,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:40:40,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:40:40,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:40:40,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:40:40,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:40:40,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:40:40,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:40:40,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:40:40,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:40:40,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:40:40,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:40:40,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:40:40,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:40:40,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:40:40,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:40:40,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:40:40,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:40:40,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:40:40,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:40:40,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:40:40,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:40:40,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:40:40,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:40:40,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:40:40,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:40:40,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:40:40,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:40:40,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:40:40,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:40:40,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:40:40,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:40:40,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:40:40,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:40:40,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:40:40,174 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 17:40:40,210 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:40:40,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:40:40,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:40:40,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:40:40,213 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:40:40,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:40:40,213 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:40:40,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:40:40,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:40:40,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:40:40,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:40:40,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:40:40,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:40:40,216 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:40:40,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:40:40,217 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:40:40,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:40:40,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:40:40,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:40:40,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:40:40,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:40:40,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:40:40,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:40:40,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:40:40,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:40:40,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:40:40,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:40:40,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:40:40,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:40:40,220 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 17:40:40,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:40:40,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:40:40,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:40:40,522 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:40:40,523 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:40:40,524 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c [2020-10-12 17:40:40,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4a737aa0/f7ba2ea88db54680a26f039e8097dcea/FLAG1e6a10145 [2020-10-12 17:40:41,215 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:40:41,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c [2020-10-12 17:40:41,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4a737aa0/f7ba2ea88db54680a26f039e8097dcea/FLAG1e6a10145 [2020-10-12 17:40:41,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e4a737aa0/f7ba2ea88db54680a26f039e8097dcea [2020-10-12 17:40:41,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:40:41,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:40:41,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:40:41,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:40:41,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:40:41,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:40:41" (1/1) ... [2020-10-12 17:40:41,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c8fe54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:40:41, skipping insertion in model container [2020-10-12 17:40:41,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:40:41" (1/1) ... [2020-10-12 17:40:41,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:40:41,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:40:42,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:40:42,297 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:40:42,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:40:42,537 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:40:42,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:40:42 WrapperNode [2020-10-12 17:40:42,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:40:42,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:40:42,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:40:42,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:40:42,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:40:42" (1/1) ... [2020-10-12 17:40:42,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:40:42" (1/1) ... [2020-10-12 17:40:42,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:40:42" (1/1) ... [2020-10-12 17:40:42,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:40:42" (1/1) ... [2020-10-12 17:40:42,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:40:42" (1/1) ... [2020-10-12 17:40:42,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:40:42" (1/1) ... [2020-10-12 17:40:42,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:40:42" (1/1) ... [2020-10-12 17:40:42,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:40:42,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:40:42,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:40:42,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:40:42,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:40:42" (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 17:40:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:40:42,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:40:42,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:40:42,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2020-10-12 17:40:42,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2020-10-12 17:40:42,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:40:42,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:40:42,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-12 17:40:42,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:40:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:40:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:40:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:40:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:40:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:40:42,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:40:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:40:42,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:40:42,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:40:42,820 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:40:42,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:40:42,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:40:42,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:40:42,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:40:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:40:42,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:40:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:40:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:40:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:40:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:40:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:40:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:40:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:40:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:40:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:40:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:40:42,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:40:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:40:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:40:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:40:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:40:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:40:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:40:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:40:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-12 17:40:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-12 17:40:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:40:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:40:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:40:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:40:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:40:42,827 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:40:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:40:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:40:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:40:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-12 17:40:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:40:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:40:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:40:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:40:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:40:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:40:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:40:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:40:42,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:40:42,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:40:42,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:40:42,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:40:42,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:40:42,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:40:42,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:40:42,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:40:42,833 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:40:42,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:40:42,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:40:42,834 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:40:42,834 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:40:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:40:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:40:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:40:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:40:42,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-12 17:40:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:40:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:40:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:40:42,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:40:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:40:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:40:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:40:42,838 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:40:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:40:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:40:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:40:42,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:40:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:40:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:40:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:40:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:40:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:40:42,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:40:42,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:40:42,841 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:40:42,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:40:42,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:40:42,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:40:42,842 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:40:42,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:40:42,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:40:42,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:40:42,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:40:42,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:40:42,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:40:42,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:40:42,843 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:40:42,843 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:40:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:40:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:40:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2020-10-12 17:40:42,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:40:42,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2020-10-12 17:40:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:40:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:40:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:40:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:40:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:40:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:40:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:40:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:40:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:40:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:40:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:40:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-12 17:40:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:40:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:40:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:40:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:40:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:40:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:40:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:40:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:40:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:40:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:40:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:40:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:40:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:40:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:40:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:40:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:40:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:40:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:40:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:40:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:40:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:40:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:40:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:40:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:40:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:40:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:40:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:40:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:40:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:40:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:40:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:40:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:40:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:40:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:40:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:40:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:40:42,869 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:40:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:40:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:40:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:40:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:40:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:40:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:40:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:40:42,870 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:40:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:40:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:40:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:40:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:40:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-12 17:40:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:40:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-12 17:40:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-12 17:40:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:40:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:40:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:40:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:40:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:40:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:40:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:40:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:40:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-12 17:40:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:40:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:40:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:40:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:40:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:40:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:40:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:40:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:40:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:40:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:40:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:40:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:40:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:40:42,874 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:40:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:40:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:40:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:40:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:40:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:40:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:40:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:40:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:40:42,875 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:40:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:40:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:40:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:40:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:40:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:40:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:40:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:40:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:40:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:40:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:40:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:40:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:40:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:40:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:40:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:40:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:40:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:40:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:40:42,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:40:44,966 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:40:44,966 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:40:44,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:40:44 BoogieIcfgContainer [2020-10-12 17:40:44,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:40:44,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:40:44,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:40:44,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:40:44,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:40:41" (1/3) ... [2020-10-12 17:40:44,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149f1cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:40:44, skipping insertion in model container [2020-10-12 17:40:44,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:40:42" (2/3) ... [2020-10-12 17:40:44,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149f1cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:40:44, skipping insertion in model container [2020-10-12 17:40:44,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:40:44" (3/3) ... [2020-10-12 17:40:44,983 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product16.cil.c [2020-10-12 17:40:44,994 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:40:45,003 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:40:45,019 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:40:45,049 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:40:45,049 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:40:45,049 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:40:45,050 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:40:45,050 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:40:45,050 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:40:45,050 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:40:45,050 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:40:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2020-10-12 17:40:45,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 17:40:45,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:40:45,101 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 17:40:45,101 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:40:45,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:40:45,109 INFO L82 PathProgramCache]: Analyzing trace with hash -985868232, now seen corresponding path program 1 times [2020-10-12 17:40:45,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:40:45,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119734044] [2020-10-12 17:40:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:40:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:45,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:46,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:46,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:46,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:49,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:50,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:51,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:51,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-12 17:40:51,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:40:51,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5415 [2020-10-12 17:40:51,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:51,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 17:40:51,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:40:51,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 17:40:51,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:40:52,972 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:40:52,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:40:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:53,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:53,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:53,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:40:53,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:53,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-12 17:40:53,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:40:53,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:53,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:40:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:53,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:53,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:53,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:40:53,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:53,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:40:53,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:40:53,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:53,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:40:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:53,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:53,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:53,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:40:53,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:53,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:53,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:40:53,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:53,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:40:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:53,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:53,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:53,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:40:53,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:53,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:40:53,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:40:53,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:53,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:40:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:53,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:53,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:53,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:53,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:40:58,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:40:58,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 17:40:58,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:40:58,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:40:58,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:40:58,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:58,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:40:58,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:40:58,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:58,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:58,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:58,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:40:58,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:40:58,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:58,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:58,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:58,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:58,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:58,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:58,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:58,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:58,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:40:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:58,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:58,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:58,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:58,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:58,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:40:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:40:58,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:40:58,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 17:40:58,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:40:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:40:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:40:58,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:58,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:40:58,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:40:58,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:40:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:40:58,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:40:58,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:58,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:40:58,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:40:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:40:58,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:40:58,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:40:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:58,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:40:58,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:58,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:40:58,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:58,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:40:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:40:58,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:40:58,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:40:58,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:40:58,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:40:58,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:40:58,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:58,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:40:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:58,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:58,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:58,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:58,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:40:58,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:40:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:58,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:40:58,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:40:58,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:40:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:40:58,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 17:40:58,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:40:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:40:58,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:40:58,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:58,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:58,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:58,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:58,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:40:58,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:40:58,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:58,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:40:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:58,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:59,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:59,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:59,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:59,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:40:59,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:40:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:59,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:40:59,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:59,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:40:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:59,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:59,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:59,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:59,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:59,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:40:59,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:40:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:40:59,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:59,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:40:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:59,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:59,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:59,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:40:59,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:59,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:40:59,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:59,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:40:59,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:40:59,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:40:59,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:59,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:40:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:59,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:59,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:59,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:59,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:59,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:59,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:59,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:40:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:59,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:59,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:40:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:59,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:59,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:59,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:59,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:59,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:59,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:40:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:59,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:59,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 17:40:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:59,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:59,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:59,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:59,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:59,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:59,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:40:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:59,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:59,273 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 17:40:59,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119734044] [2020-10-12 17:40:59,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:40:59,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:40:59,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171559062] [2020-10-12 17:40:59,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:40:59,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:40:59,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:40:59,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=851, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:40:59,301 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 31 states. [2020-10-12 17:41:02,940 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:41:05,247 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:41:07,784 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:41:09,347 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:41:10,874 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:41:12,357 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:41:16,491 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:41:18,071 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:41:19,723 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:41:22,612 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:41:26,139 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:41:28,109 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:41:29,653 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:41:31,242 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:41:32,837 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:41:34,543 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:41:36,717 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:41:38,394 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:41:39,940 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:41:41,602 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:41:46,993 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:41:49,562 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:41:52,771 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:41:54,372 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:41:55,813 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:42:03,292 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:42:22,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:42:22,958 INFO L93 Difference]: Finished difference Result 2240 states and 3325 transitions. [2020-10-12 17:42:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2020-10-12 17:42:22,962 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 145 [2020-10-12 17:42:22,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:42:23,001 INFO L225 Difference]: With dead ends: 2240 [2020-10-12 17:42:23,002 INFO L226 Difference]: Without dead ends: 1615 [2020-10-12 17:42:23,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8245 ImplicationChecksByTransitivity, 44.2s TimeCoverageRelationStatistics Valid=3453, Invalid=18599, Unknown=0, NotChecked=0, Total=22052 [2020-10-12 17:42:23,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2020-10-12 17:42:23,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1138. [2020-10-12 17:42:23,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2020-10-12 17:42:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1540 transitions. [2020-10-12 17:42:23,605 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1540 transitions. Word has length 145 [2020-10-12 17:42:23,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:42:23,606 INFO L479 AbstractCegarLoop]: Abstraction has 1138 states and 1540 transitions. [2020-10-12 17:42:23,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 17:42:23,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1540 transitions. [2020-10-12 17:42:23,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 17:42:23,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:42:23,627 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 17:42:23,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:42:23,628 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:42:23,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:42:23,628 INFO L82 PathProgramCache]: Analyzing trace with hash 754066622, now seen corresponding path program 1 times [2020-10-12 17:42:23,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:42:23,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [195436958] [2020-10-12 17:42:23,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:42:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:23,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:23,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:23,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:24,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:24,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:26,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:26,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:28,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:28,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-12 17:42:28,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:42:28,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-12 17:42:28,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 17:42:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:42:28,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 17:42:28,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:42:30,300 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:42:30,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:42:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:30,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:30,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:30,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:42:30,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:30,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 17:42:30,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:30,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:30,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:30,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:42:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:30,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:30,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:30,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:42:30,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:30,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:42:30,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:30,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:30,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:42:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:30,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:30,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:30,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:42:30,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:42:30,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:30,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:30,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:42:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:30,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:30,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:30,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:42:30,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:30,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:30,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:30,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:30,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:42:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:30,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:30,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:30,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:30,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:30,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:32,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:32,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:32,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:42:35,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:42:35,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 17:42:35,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:42:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:42:35,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:42:35,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:35,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:42:35,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:42:35,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:35,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:35,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:42:35,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:42:35,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:35,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:35,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:35,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:35,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:35,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:35,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:35,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:35,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:42:35,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:42:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:35,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:35,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:35,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:35,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:42:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:42:35,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:42:35,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 17:42:35,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:42:35,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:42:35,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:42:35,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:42:35,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:42:35,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:42:35,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:42:35,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:35,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:42:35,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:35,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:42:35,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:42:35,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:42:35,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:35,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:42:35,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:35,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:42:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:35,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:42:35,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:42:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:42:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:42:35,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:35,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:42:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:42:35,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:42:35,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:42:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:35,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:42:35,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:42:35,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:35,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:35,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:35,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:35,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:35,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:35,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:35,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:35,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:35,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:35,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:42:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:35,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:35,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:35,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:35,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:35,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:42:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:35,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:35,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:35,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:42:35,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:35,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:42:35,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:42:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:35,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:42:35,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:36,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:42:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:36,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:36,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:36,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:36,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:36,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:36,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:36,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:36,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:36,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:42:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:36,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:36,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:36,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:36,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:36,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:36,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:36,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:36,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:36,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:36,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:42:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:36,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:36,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:36,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:36,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:36,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:42:36,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:36,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:42:36,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:42:36,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:42:36,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:36,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 17:42:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:36,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:36,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:36,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:36,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:42:36,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:42:36,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:42:36,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:36,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:42:36,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:42:36,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:42:36,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:36,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:42:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:36,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:36,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:36,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:36,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:36,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:42:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:36,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:42:36,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:42:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:36,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:36,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:36,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:36,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:36,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:36,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:36,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:42:36,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:36,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:42:36,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:42:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:42:36,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:42:36,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:42:36,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:42:36,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:42:36,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:42:36,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:42:36,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:42:36,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:42:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:42:36,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:42:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:42:36,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [195436958] [2020-10-12 17:42:36,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:42:36,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 17:42:36,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497157132] [2020-10-12 17:42:36,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 17:42:36,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:42:36,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 17:42:36,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2020-10-12 17:42:36,276 INFO L87 Difference]: Start difference. First operand 1138 states and 1540 transitions. Second operand 24 states. [2020-10-12 17:42:40,348 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:42:41,849 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:42:43,696 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:42:45,826 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:42:49,503 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:42:51,005 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:42:55,125 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:42:56,785 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:42:59,204 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:43:00,729 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:43:14,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:43:14,597 INFO L93 Difference]: Finished difference Result 2763 states and 3982 transitions. [2020-10-12 17:43:14,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 17:43:14,598 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 148 [2020-10-12 17:43:14,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:43:14,611 INFO L225 Difference]: With dead ends: 2763 [2020-10-12 17:43:14,611 INFO L226 Difference]: Without dead ends: 1648 [2020-10-12 17:43:14,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=563, Invalid=2743, Unknown=0, NotChecked=0, Total=3306 [2020-10-12 17:43:14,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2020-10-12 17:43:15,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1180. [2020-10-12 17:43:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1180 states. [2020-10-12 17:43:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1606 transitions. [2020-10-12 17:43:15,085 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1606 transitions. Word has length 148 [2020-10-12 17:43:15,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:43:15,086 INFO L479 AbstractCegarLoop]: Abstraction has 1180 states and 1606 transitions. [2020-10-12 17:43:15,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 17:43:15,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1606 transitions. [2020-10-12 17:43:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 17:43:15,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:43:15,090 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 17:43:15,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:43:15,091 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:43:15,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:43:15,091 INFO L82 PathProgramCache]: Analyzing trace with hash 2139618822, now seen corresponding path program 1 times [2020-10-12 17:43:15,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:43:15,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603193276] [2020-10-12 17:43:15,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:43:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:15,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:15,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:15,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:16,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:16,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:17,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:20,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:20,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 17:43:20,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:43:20,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-12 17:43:20,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:20,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 17:43:20,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:43:20,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 17:43:20,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:21,781 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:43:21,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:43:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:21,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:21,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:21,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:43:21,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:21,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-12 17:43:21,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:21,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:43:21,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:21,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:43:21,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:21,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:43:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:21,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:21,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:21,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:43:21,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:21,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:43:21,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:43:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:21,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:43:21,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:21,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:43:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:21,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:21,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:21,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:43:21,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:21,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:43:21,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:21,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:43:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:43:21,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:21,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:43:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:21,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:21,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:21,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:43:21,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:43:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:43:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:43:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:21,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:43:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:21,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:21,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:21,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:22,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:22,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:43:26,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:43:26,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4116 [2020-10-12 17:43:26,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:43:26,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 17:43:26,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:43:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:43:26,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:43:26,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:43:26,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:43:26,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:43:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:43:26,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:43:26,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:43:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:43:26,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:43:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:43:26,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:43:26,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:43:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:43:26,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:43:26,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:43:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:43:26,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:43:26,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:43:26,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:43:26,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:43:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:43:26,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:43:26,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-12 17:43:26,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:43:26,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 17:43:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:43:26,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:43:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:43:26,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:43:26,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:43:26,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:43:26,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:43:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:43:26,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:43:26,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:43:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:43:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:43:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:43:26,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:43:26,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:43:26,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:43:26,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:43:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:43:26,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:43:26,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:43:26,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:43:26,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:43:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:43:26,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:43:26,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:43:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:43:26,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:43:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:43:26,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:43:26,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:43:26,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:43:26,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:43:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:43:26,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:43:26,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:43:26,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:43:26,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:43:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:43:26,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 17:43:26,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:43:26,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:43:26,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:43:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:43:26,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:43:26,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:43:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:43:26,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:26,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:43:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:26,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:26,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:26,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:43:26,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:26,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:43:26,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:43:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:43:26,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:27,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:43:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:27,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:27,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:27,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:43:27,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:27,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:43:27,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:27,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:43:27,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:43:27,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:43:27,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:27,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:43:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:27,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:27,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:27,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:43:27,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:27,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:43:27,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:27,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:43:27,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:43:27,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:43:27,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:27,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:43:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:27,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:27,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:27,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:43:27,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:27,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:43:27,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:43:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:43:27,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:43:27,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:27,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:43:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:27,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:27,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:27,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:43:27,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:27,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:43:27,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:27,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:43:27,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:43:27,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:43:27,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:27,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 17:43:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:43:27,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:43:27,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:43:27,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:43:27,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:43:27,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:43:27,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:43:27,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:43:27,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:43:27,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:43:27,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:43:27,211 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 17:43:27,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603193276] [2020-10-12 17:43:27,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:43:27,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:43:27,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780075184] [2020-10-12 17:43:27,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:43:27,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:43:27,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:43:27,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:43:27,214 INFO L87 Difference]: Start difference. First operand 1180 states and 1606 transitions. Second operand 31 states. [2020-10-12 17:43:30,284 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:43:32,328 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:43:36,165 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 564 DAG size of output: 562 [2020-10-12 17:43:39,058 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2020-10-12 17:43:42,020 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2020-10-12 17:43:45,059 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 565 DAG size of output: 563 [2020-10-12 17:43:48,240 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 571 DAG size of output: 569 [2020-10-12 17:43:54,124 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 565 DAG size of output: 563 [2020-10-12 17:43:57,110 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 568 DAG size of output: 566 [2020-10-12 17:44:00,167 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 565 DAG size of output: 563 [2020-10-12 17:44:04,673 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 565 DAG size of output: 563 [2020-10-12 17:44:09,967 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 564 DAG size of output: 562 [2020-10-12 17:44:12,299 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:44:15,199 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2020-10-12 17:44:18,252 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 564 DAG size of output: 562 [2020-10-12 17:44:21,274 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 567 DAG size of output: 565