/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec8_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:37:05,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:37:05,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:37:05,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:37:05,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:37:05,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:37:05,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:37:05,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:37:05,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:37:05,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:37:05,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:37:05,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:37:05,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:37:05,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:37:05,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:37:05,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:37:05,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:37:05,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:37:05,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:37:05,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:37:05,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:37:05,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:37:05,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:37:05,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:37:05,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:37:05,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:37:05,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:37:05,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:37:05,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:37:05,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:37:05,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:37:05,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:37:05,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:37:05,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:37:05,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:37:05,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:37:05,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:37:05,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:37:05,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:37:05,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:37:05,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:37:05,517 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 17:37:05,558 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:37:05,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:37:05,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:37:05,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:37:05,560 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:37:05,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:37:05,561 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:37:05,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:37:05,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:37:05,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:37:05,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:37:05,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:37:05,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:37:05,563 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:37:05,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:37:05,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:37:05,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:37:05,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:37:05,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:37:05,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:37:05,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:37:05,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:37:05,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:37:05,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:37:05,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:37:05,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:37:05,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:37:05,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:37:05,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:37:05,567 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 17:37:05,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:37:05,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:37:05,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:37:05,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:37:05,888 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:37:05,888 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product26.cil.c [2020-10-12 17:37:05,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25c1b39c4/e04edc61ec06458ab75375aa1d7db36b/FLAGa32f9046a [2020-10-12 17:37:06,586 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:37:06,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec8_product26.cil.c [2020-10-12 17:37:06,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25c1b39c4/e04edc61ec06458ab75375aa1d7db36b/FLAGa32f9046a [2020-10-12 17:37:06,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/25c1b39c4/e04edc61ec06458ab75375aa1d7db36b [2020-10-12 17:37:06,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:37:06,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:37:06,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:37:06,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:37:06,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:37:06,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:37:06" (1/1) ... [2020-10-12 17:37:06,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e45435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:37:06, skipping insertion in model container [2020-10-12 17:37:06,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:37:06" (1/1) ... [2020-10-12 17:37:06,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:37:06,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:37:07,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:37:07,617 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:37:07,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:37:07,861 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:37:07,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:37:07 WrapperNode [2020-10-12 17:37:07,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:37:07,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:37:07,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:37:07,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:37:07,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:37:07" (1/1) ... [2020-10-12 17:37:07,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:37:07" (1/1) ... [2020-10-12 17:37:07,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:37:07" (1/1) ... [2020-10-12 17:37:07,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:37:07" (1/1) ... [2020-10-12 17:37:07,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:37:07" (1/1) ... [2020-10-12 17:37:07,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:37:07" (1/1) ... [2020-10-12 17:37:08,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:37:07" (1/1) ... [2020-10-12 17:37:08,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:37:08,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:37:08,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:37:08,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:37:08,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:37:07" (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 17:37:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:37:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:37:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:37:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:37:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:37:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:37:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:37:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:37:08,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:37:08,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:37:08,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:37:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:37:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:37:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:37:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:37:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:37:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:37:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:37:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:37:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:37:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:37:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:37:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:37:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-12 17:37:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-12 17:37:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-12 17:37:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-12 17:37:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:37:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:37:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:37:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:37:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:37:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-12 17:37:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2020-10-12 17:37:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-12 17:37:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:37:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:37:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:37:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:37:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:37:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:37:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:37:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:37:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:37:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:37:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-12 17:37:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-12 17:37:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:37:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:37:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:37:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:37:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:37:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:37:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:37:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:37:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:37:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:37:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:37:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:37:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:37:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:37:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:37:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:37:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:37:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:37:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:37:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:37:08,140 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:37:08,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:37:08,141 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:37:08,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:37:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:37:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:37:08,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:37:08,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:37:08,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:37:08,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:37:08,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:37:08,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:37:08,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:37:08,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:37:08,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:37:08,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:37:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-12 17:37:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:37:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:37:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:37:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:37:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:37:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:37:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:37:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:37:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:37:08,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:37:08,148 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:37:08,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:37:08,148 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:37:08,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:37:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:37:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:37:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:37:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:37:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:37:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:37:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:37:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:37:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:37:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:37:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:37:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:37:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:37:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:37:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:37:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:37:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:37:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:37:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:37:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:37:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:37:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:37:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:37:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:37:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:37:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:37:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:37:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:37:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:37:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:37:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:37:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:37:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:37:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:37:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:37:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:37:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:37:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:37:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:37:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:37:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:37:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:37:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:37:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:37:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:37:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:37:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:37:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:37:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:37:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:37:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:37:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:37:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:37:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:37:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:37:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:37:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:37:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:37:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:37:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:37:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:37:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-12 17:37:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-12 17:37:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:37:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:37:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:37:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:37:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:37:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:37:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-12 17:37:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-12 17:37:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:37:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:37:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:37:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:37:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:37:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:37:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:37:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:37:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:37:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:37:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:37:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:37:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:37:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:37:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:37:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:37:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:37:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:37:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:37:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:37:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:37:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:37:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:37:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:37:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-12 17:37:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-12 17:37:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:37:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:37:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-12 17:37:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2020-10-12 17:37:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-12 17:37:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:37:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:37:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:37:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:37:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:37:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:37:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:37:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:37:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:37:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:37:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:37:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:37:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:37:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:37:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:37:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:37:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:37:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:37:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:37:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:37:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:37:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:37:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:37:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:37:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:37:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:37:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:37:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:37:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:37:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:37:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:37:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:37:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:37:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:37:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-12 17:37:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:37:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:37:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:37:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:37:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:37:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:37:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:37:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:37:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:37:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:37:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:37:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:37:10,380 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:37:10,380 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:37:10,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:37:10 BoogieIcfgContainer [2020-10-12 17:37:10,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:37:10,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:37:10,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:37:10,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:37:10,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:37:06" (1/3) ... [2020-10-12 17:37:10,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d8e6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:37:10, skipping insertion in model container [2020-10-12 17:37:10,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:37:07" (2/3) ... [2020-10-12 17:37:10,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d8e6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:37:10, skipping insertion in model container [2020-10-12 17:37:10,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:37:10" (3/3) ... [2020-10-12 17:37:10,398 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product26.cil.c [2020-10-12 17:37:10,408 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:37:10,417 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:37:10,431 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:37:10,458 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:37:10,458 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:37:10,458 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:37:10,459 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:37:10,459 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:37:10,459 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:37:10,459 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:37:10,459 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:37:10,490 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states. [2020-10-12 17:37:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 17:37:10,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:37:10,513 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:37:10,513 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:37:10,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:37:10,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1684965971, now seen corresponding path program 1 times [2020-10-12 17:37:10,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:37:10,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311618131] [2020-10-12 17:37:10,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:37:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:11,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:16,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:16,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-12 17:37:16,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:37:16,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 17:37:16,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:37:16,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-12 17:37:16,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:37:16,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:37:17,878 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:37:17,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:37:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:17,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:17,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:17,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:37:17,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:17,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 17:37:17,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:17,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:17,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:17,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:18,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:37:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:18,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:18,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:18,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:37:18,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:18,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:18,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:18,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:18,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:37:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:18,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:18,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:18,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:37:18,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:18,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:18,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:18,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:18,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:37:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:18,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:18,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:18,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:37:18,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:18,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:37:18,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:18,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:18,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:37:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:18,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:18,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:18,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:18,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:37:23,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:37:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:37:23,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:37:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:37:23,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:37:23,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:37:23,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:37:23,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:37:23,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:37:23,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:23,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:37:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:37:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:37:23,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:37:23,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:37:23,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:23,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:37:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:37:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:37:23,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:37:23,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-12 17:37:23,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:37:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:37:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:37:23,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:37:23,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:37:23,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:37:23,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:37:23,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:37:23,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:37:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:37:23,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:37:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:23,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:37:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:37:23,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:37:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:37:23,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:37:23,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:37:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:37:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:23,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:37:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:37:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:23,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:37:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:37:23,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:37:23,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:37:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:23,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:37:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 17:37:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:23,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:23,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:23,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:23,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:23,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:23,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:23,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:23,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:23,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:23,822 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:37:23,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311618131] [2020-10-12 17:37:23,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:37:23,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-12 17:37:23,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568742669] [2020-10-12 17:37:23,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 17:37:23,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:37:23,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 17:37:23,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:37:23,849 INFO L87 Difference]: Start difference. First operand 605 states. Second operand 17 states. [2020-10-12 17:37:26,409 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-12 17:37:28,362 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-12 17:37:30,957 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-12 17:37:32,472 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-12 17:37:50,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:37:50,064 INFO L93 Difference]: Finished difference Result 1516 states and 2268 transitions. [2020-10-12 17:37:50,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 17:37:50,067 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 154 [2020-10-12 17:37:50,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:37:50,100 INFO L225 Difference]: With dead ends: 1516 [2020-10-12 17:37:50,100 INFO L226 Difference]: Without dead ends: 903 [2020-10-12 17:37:50,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=519, Invalid=1833, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 17:37:50,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2020-10-12 17:37:50,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 578. [2020-10-12 17:37:50,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-10-12 17:37:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 787 transitions. [2020-10-12 17:37:50,465 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 787 transitions. Word has length 154 [2020-10-12 17:37:50,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:37:50,466 INFO L479 AbstractCegarLoop]: Abstraction has 578 states and 787 transitions. [2020-10-12 17:37:50,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 17:37:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 787 transitions. [2020-10-12 17:37:50,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-12 17:37:50,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:37:50,472 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:37:50,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:37:50,473 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:37:50,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:37:50,473 INFO L82 PathProgramCache]: Analyzing trace with hash -663601397, now seen corresponding path program 1 times [2020-10-12 17:37:50,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:37:50,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506509969] [2020-10-12 17:37:50,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:37:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:50,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:50,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:50,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:50,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:51,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:51,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:52,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:55,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:55,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-12 17:37:55,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:37:55,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-12 17:37:55,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:55,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:37:55,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 17:37:55,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:37:55,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:56,961 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:37:56,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:37:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:56,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:57,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:57,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:37:57,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:57,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 17:37:57,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:57,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:57,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:57,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:37:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:57,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:57,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:57,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:37:57,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:57,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:37:57,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:57,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:57,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:57,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:37:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:57,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:57,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:57,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:37:57,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:57,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:37:57,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:57,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:57,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:57,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:57,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:57,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:37:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:57,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:57,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:57,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:37:57,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:57,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:37:57,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:57,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:57,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:57,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:37:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:57,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:57,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:57,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:57,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:57,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:57,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:38:02,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:38:02,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 17:38:02,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:02,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 17:38:02,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:38:02,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:38:02,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:38:02,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:38:02,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:02,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:02,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:38:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:02,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:38:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:38:02,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:38:02,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:38:02,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:02,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:02,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:38:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:02,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:38:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:38:02,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:38:02,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 17:38:02,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:02,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:38:02,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:38:02,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:38:02,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:38:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:38:02,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:38:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:38:02,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:02,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:38:02,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:38:02,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:38:02,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:38:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:38:02,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:38:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:38:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:38:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:38:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:38:02,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:38:02,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:38:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:02,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:38:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:02,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:02,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:38:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:02,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:02,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:38:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:02,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:38:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:02,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:02,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:38:02,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 17:38:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:02,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 17:38:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:02,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 17:38:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:02,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:02,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:02,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:02,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:02,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:02,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:02,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:02,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:02,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:02,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:02,633 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:38:02,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506509969] [2020-10-12 17:38:02,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:38:02,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-12 17:38:02,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511725201] [2020-10-12 17:38:02,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 17:38:02,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:38:02,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 17:38:02,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:38:02,639 INFO L87 Difference]: Start difference. First operand 578 states and 787 transitions. Second operand 17 states. [2020-10-12 17:38:06,296 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-12 17:38:08,035 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-12 17:38:10,337 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-12 17:38:28,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:38:28,176 INFO L93 Difference]: Finished difference Result 1434 states and 2106 transitions. [2020-10-12 17:38:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 17:38:28,176 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 156 [2020-10-12 17:38:28,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:38:28,186 INFO L225 Difference]: With dead ends: 1434 [2020-10-12 17:38:28,186 INFO L226 Difference]: Without dead ends: 914 [2020-10-12 17:38:28,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=224, Invalid=898, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 17:38:28,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-10-12 17:38:28,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 585. [2020-10-12 17:38:28,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-10-12 17:38:28,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 801 transitions. [2020-10-12 17:38:28,471 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 801 transitions. Word has length 156 [2020-10-12 17:38:28,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:38:28,471 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 801 transitions. [2020-10-12 17:38:28,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 17:38:28,472 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 801 transitions. [2020-10-12 17:38:28,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 17:38:28,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:38:28,476 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:38:28,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:38:28,476 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:38:28,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:38:28,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1491595865, now seen corresponding path program 1 times [2020-10-12 17:38:28,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:38:28,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579680332] [2020-10-12 17:38:28,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:38:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:28,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:33,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:33,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 17:38:33,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:38:33,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-12 17:38:33,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:33,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:33,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-12 17:38:33,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:38:33,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:38:35,411 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:38:35,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:38:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:35,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:35,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:35,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:38:35,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:35,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 17:38:35,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:35,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:35,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:35,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:35,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:35,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:38:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:35,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:35,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:35,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:38:35,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:35,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:35,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:35,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:38:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:35,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:35,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:35,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:38:35,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:35,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:35,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:35,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:35,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:38:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:35,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:35,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:35,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:38:35,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:35,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:35,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:35,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:35,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:35,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:35,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:35,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:38:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:35,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:35,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:35,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:35,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:38:39,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:38:39,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3920 [2020-10-12 17:38:39,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:39,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:38:39,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:38:39,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:38:39,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:38:39,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:38:39,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:39,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:39,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:39,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:38:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:39,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:39,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:38:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:38:39,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:39,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:38:39,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:39,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:39,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:39,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:38:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:39,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:39,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:38:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:38:39,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:38:39,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 17:38:39,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:38:39,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:38:39,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:38:39,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:38:39,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:38:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:38:39,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:38:39,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:39,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:38:39,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:38:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:38:39,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:38:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:39,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:38:39,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:39,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:38:39,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:38:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:38:39,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:38:39,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:38:39,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:39,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:39,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:38:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:39,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:39,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:38:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:39,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:39,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 17:38:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:39,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:39,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:39,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:38:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:39,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:39,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:38:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 17:38:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:39,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:39,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 17:38:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:39,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:39,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:39,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:39,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 17:38:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:39,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:39,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:39,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:39,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:39,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:39,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:39,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:39,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:39,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:39,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:40,004 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:38:40,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579680332] [2020-10-12 17:38:40,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:38:40,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-12 17:38:40,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894696981] [2020-10-12 17:38:40,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 17:38:40,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:38:40,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 17:38:40,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:38:40,006 INFO L87 Difference]: Start difference. First operand 585 states and 801 transitions. Second operand 17 states. [2020-10-12 17:38:42,922 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-12 17:38:45,461 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-12 17:38:46,921 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-12 17:38:48,373 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-12 17:38:49,829 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-12 17:39:07,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:39:07,589 INFO L93 Difference]: Finished difference Result 1456 states and 2124 transitions. [2020-10-12 17:39:07,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 17:39:07,590 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 157 [2020-10-12 17:39:07,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:39:07,598 INFO L225 Difference]: With dead ends: 1456 [2020-10-12 17:39:07,598 INFO L226 Difference]: Without dead ends: 925 [2020-10-12 17:39:07,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892 [2020-10-12 17:39:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-10-12 17:39:07,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 588. [2020-10-12 17:39:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-10-12 17:39:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 798 transitions. [2020-10-12 17:39:07,777 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 798 transitions. Word has length 157 [2020-10-12 17:39:07,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:39:07,777 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 798 transitions. [2020-10-12 17:39:07,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 17:39:07,777 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 798 transitions. [2020-10-12 17:39:07,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 17:39:07,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:39:07,781 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:39:07,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:39:07,781 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:39:07,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:39:07,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1071011180, now seen corresponding path program 1 times [2020-10-12 17:39:07,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:39:07,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965753408] [2020-10-12 17:39:07,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:39:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:07,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:07,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:08,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:08,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:08,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:08,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:12,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:12,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 17:39:12,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:39:12,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:39:12,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:12,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:39:12,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 17:39:12,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:39:12,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:14,384 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:39:14,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:39:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:14,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:14,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:14,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:39:14,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 17:39:14,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:14,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:39:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:14,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:14,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:14,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:39:14,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:14,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:14,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:14,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:14,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:39:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:14,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:14,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:14,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:39:14,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:14,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:14,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:14,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:14,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:14,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:39:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:14,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:14,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:14,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:39:14,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:14,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:14,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:14,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:14,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:39:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:14,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:14,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:14,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:14,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:14,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:39:19,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:39:19,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 17:39:19,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:39:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:39:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:39:19,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:39:19,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:19,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:39:19,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:19,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:19,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:19,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:39:19,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:19,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:39:19,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:19,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:19,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:19,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:19,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:19,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:19,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:19,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:19,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:19,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:39:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:19,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:19,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:19,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:19,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:19,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:19,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:39:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:39:19,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:39:19,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 17:39:19,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:39:19,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:39:19,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:39:19,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:39:19,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:19,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:39:19,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:39:19,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:19,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:39:19,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:19,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:39:19,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:39:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:19,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:39:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:39:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:19,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:19,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:39:19,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:39:19,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:19,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:39:19,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:39:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:39:19,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:39:19,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 17:39:19,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:39:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:39:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:39:19,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:39:19,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:19,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:39:19,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:39:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:39:19,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:39:19,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:39:19,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:39:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:39:19,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:19,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:39:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:19,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:19,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:19,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:19,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:19,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:39:19,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:39:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:39:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:39:19,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:20,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:39:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:20,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:20,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:20,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:39:20,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:20,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:39:20,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:20,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:20,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:39:20,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:20,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:20,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:20,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:20,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:20,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:20,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:20,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:20,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:20,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:20,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:20,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:20,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:20,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:39:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:20,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:20,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:20,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:20,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:20,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:20,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:20,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:20,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:20,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:20,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:20,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:39:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:20,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:20,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:20,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:20,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:20,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:39:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:20,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 17:39:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:20,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:20,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:20,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:20,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:20,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:20,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:20,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:20,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:39:20,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:20,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:20,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:39:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:20,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:20,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:20,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:39:20,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:20,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:20,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:39:20,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:20,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:20,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 17:39:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:20,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:20,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:20,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:20,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:20,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:20,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:39:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:20,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 17:39:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:20,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:20,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:20,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:20,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:20,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:20,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:20,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:20,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:39:20,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:20,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:20,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 17:39:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:20,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:20,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:20,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:20,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:20,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:20,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:39:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:20,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:20,193 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 17:39:20,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965753408] [2020-10-12 17:39:20,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:39:20,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:39:20,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816460314] [2020-10-12 17:39:20,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:39:20,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:39:20,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:39:20,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:39:20,196 INFO L87 Difference]: Start difference. First operand 588 states and 798 transitions. Second operand 23 states. [2020-10-12 17:39:24,195 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-12 17:39:25,850 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-12 17:39:27,696 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-12 17:39:29,501 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-12 17:39:31,010 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-12 17:39:32,573 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-12 17:39:34,063 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-12 17:39:35,645 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-12 17:39:37,496 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-12 17:39:39,061 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 581 [2020-10-12 17:39:40,683 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-12 17:39:42,581 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-12 17:39:44,169 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-12 17:39:45,756 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-12 17:40:06,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:40:06,294 INFO L93 Difference]: Finished difference Result 1493 states and 2172 transitions. [2020-10-12 17:40:06,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-12 17:40:06,295 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 157 [2020-10-12 17:40:06,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:40:06,302 INFO L225 Difference]: With dead ends: 1493 [2020-10-12 17:40:06,302 INFO L226 Difference]: Without dead ends: 939 [2020-10-12 17:40:06,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=731, Invalid=3825, Unknown=0, NotChecked=0, Total=4556 [2020-10-12 17:40:06,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-10-12 17:40:06,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 602. [2020-10-12 17:40:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-12 17:40:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 814 transitions. [2020-10-12 17:40:06,494 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 814 transitions. Word has length 157 [2020-10-12 17:40:06,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:40:06,494 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 814 transitions. [2020-10-12 17:40:06,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:40:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 814 transitions. [2020-10-12 17:40:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 17:40:06,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:40:06,498 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:40:06,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 17:40:06,498 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:40:06,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:40:06,499 INFO L82 PathProgramCache]: Analyzing trace with hash -332376252, now seen corresponding path program 1 times [2020-10-12 17:40:06,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:40:06,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971434064] [2020-10-12 17:40:06,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:40:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:06,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:06,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:06,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:07,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:08,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:08,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:11,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:11,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 17:40:11,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:40:11,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 17:40:11,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:11,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 17:40:11,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:40:11,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-12 17:40:11,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:13,154 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:40:13,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:40:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:13,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:13,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:13,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:40:13,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:13,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-12 17:40:13,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:13,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:40:13,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:13,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:40:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:13,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:13,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:13,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:40:13,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:13,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:13,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:13,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:40:13,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:13,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:40:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:13,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:13,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:13,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:40:13,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:13,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:13,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:13,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:13,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:40:13,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:13,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:40:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:13,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:13,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:13,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:40:13,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:13,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:13,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:13,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:13,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:40:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:13,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:40:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:13,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:13,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:13,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:13,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:13,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-12 17:40:18,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:40:18,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:40:18,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:40:18,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 17:40:18,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:40:18,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:18,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:40:18,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:18,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:18,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:18,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:40:18,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:18,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:18,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:18,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:18,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:18,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:18,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:18,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:18,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:18,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:40:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:18,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:18,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:18,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:18,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:40:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:40:18,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:40:18,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 17:40:18,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:40:18,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:18,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 17:40:18,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:40:18,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:18,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:40:18,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:40:18,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:18,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:40:18,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:40:18,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:18,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:40:18,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:40:18,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:18,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:40:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:40:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:40:18,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:18,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:40:18,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:18,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:18,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:40:18,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:40:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 17:40:18,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:40:18,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 17:40:18,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:40:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:40:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:40:18,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:40:18,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:18,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:40:18,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:40:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:40:18,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:40:18,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:40:18,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:40:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:40:18,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:18,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:40:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:18,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:18,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:18,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:40:18,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:18,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:40:18,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:18,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:40:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:40:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:40:18,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:19,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 17:40:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:19,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:19,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:19,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:40:19,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:19,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:40:19,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:40:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:40:19,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:19,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:19,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:19,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:19,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:19,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:19,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:40:19,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:19,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:19,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:19,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:40:19,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:19,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:40:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:19,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:19,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:19,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:19,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:19,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:40:19,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:40:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:40:19,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:19,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:40:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:19,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:19,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:19,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:19,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:19,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:19,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:19,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:19,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:40:19,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:19,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:40:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:19,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:19,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:19,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:19,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:19,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:19,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:19,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:40:19,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:19,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:40:19,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:19,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 17:40:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:19,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:19,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:19,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:40:19,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:19,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:40:19,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:19,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:40:19,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:40:19,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:40:19,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:19,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:40:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:19,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:19,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:19,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:19,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:19,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:19,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:19,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:19,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:40:19,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:19,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:19,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 17:40:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:19,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:19,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:19,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:19,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:19,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:19,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:40:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:19,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:19,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 17:40:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:19,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:19,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:19,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:19,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:19,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:19,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:40:19,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:19,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-12 17:40:19,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971434064] [2020-10-12 17:40:19,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:40:19,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-12 17:40:19,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217156867] [2020-10-12 17:40:19,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-12 17:40:19,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:40:19,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-12 17:40:19,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 17:40:19,564 INFO L87 Difference]: Start difference. First operand 602 states and 814 transitions. Second operand 37 states. [2020-10-12 17:40:27,361 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-12 17:40:29,503 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-12 17:40:31,382 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-12 17:40:33,439 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-12 17:40:37,139 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 582 DAG size of output: 580 [2020-10-12 17:40:40,435 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 584 DAG size of output: 582 [2020-10-12 17:40:43,722 WARN L193 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 580 DAG size of output: 578 [2020-10-12 17:40:46,940 WARN L193 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 583 DAG size of output: 581 [2020-10-12 17:40:50,232 WARN L193 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 584 DAG size of output: 582