/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:23:50,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:23:50,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:23:50,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:23:50,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:23:50,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:23:50,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:23:50,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:23:50,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:23:50,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:23:50,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:23:50,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:23:50,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:23:50,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:23:50,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:23:50,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:23:50,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:23:50,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:23:50,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:23:50,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:23:50,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:23:50,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:23:50,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:23:50,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:23:50,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:23:50,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:23:50,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:23:50,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:23:50,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:23:50,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:23:50,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:23:50,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:23:50,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:23:50,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:23:50,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:23:50,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:23:50,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:23:50,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:23:50,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:23:50,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:23:50,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:23:50,648 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 17:23:50,688 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:23:50,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:23:50,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:23:50,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:23:50,691 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:23:50,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:23:50,692 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:23:50,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:23:50,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:23:50,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:23:50,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:23:50,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:23:50,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:23:50,693 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:23:50,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:23:50,694 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:23:50,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:23:50,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:23:50,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:23:50,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:23:50,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:23:50,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:23:50,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:23:50,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:23:50,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:23:50,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:23:50,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:23:50,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:23:50,698 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:23:50,698 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 17:23:50,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:23:51,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:23:51,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:23:51,011 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:23:51,013 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:23:51,014 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product25.cil.c [2020-10-12 17:23:51,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/483d7bb68/ee325098bae5464cb25998ed4d11f0f2/FLAGe5d660322 [2020-10-12 17:23:51,663 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:23:51,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec4_product25.cil.c [2020-10-12 17:23:51,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/483d7bb68/ee325098bae5464cb25998ed4d11f0f2/FLAGe5d660322 [2020-10-12 17:23:51,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/483d7bb68/ee325098bae5464cb25998ed4d11f0f2 [2020-10-12 17:23:51,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:23:51,924 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:23:51,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:23:51,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:23:51,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:23:51,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:23:51" (1/1) ... [2020-10-12 17:23:51,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef00bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:51, skipping insertion in model container [2020-10-12 17:23:51,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:23:51" (1/1) ... [2020-10-12 17:23:51,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:23:52,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:23:52,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:23:52,825 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:23:52,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:23:53,052 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:23:53,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:53 WrapperNode [2020-10-12 17:23:53,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:23:53,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:23:53,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:23:53,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:23:53,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:53" (1/1) ... [2020-10-12 17:23:53,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:53" (1/1) ... [2020-10-12 17:23:53,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:53" (1/1) ... [2020-10-12 17:23:53,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:53" (1/1) ... [2020-10-12 17:23:53,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:53" (1/1) ... [2020-10-12 17:23:53,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:53" (1/1) ... [2020-10-12 17:23:53,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:53" (1/1) ... [2020-10-12 17:23:53,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:23:53,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:23:53,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:23:53,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:23:53,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:53" (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 17:23:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:23:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:23:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:23:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:23:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:23:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:23:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:23:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:23:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:23:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:23:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2020-10-12 17:23:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-12 17:23:53,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:23:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:23:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:23:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:23:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:23:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:23:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2020-10-12 17:23:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:23:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:23:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-12 17:23:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-12 17:23:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:23:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:23:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:23:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:23:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:23:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:23:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:23:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:23:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:23:53,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-12 17:23:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-12 17:23:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-12 17:23:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-12 17:23:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:23:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:23:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:23:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:23:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:23:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:23:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:23:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:23:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:23:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:23:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:23:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:23:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:23:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:23:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:23:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:23:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:23:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:23:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:23:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:23:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:23:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:23:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:23:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:23:53,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:23:53,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:23:53,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:23:53,328 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:23:53,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:23:53,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:23:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:23:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:23:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:23:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:23:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:23:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:23:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:23:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:23:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:23:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:23:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-12 17:23:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-12 17:23:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2020-10-12 17:23:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:23:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:23:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:23:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:23:53,332 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:23:53,332 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:23:53,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:23:53,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:23:53,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:23:53,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:23:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:23:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:23:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:23:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:23:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:23:53,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:23:53,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:23:53,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:23:53,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:23:53,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:23:53,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:23:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:23:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:23:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:23:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:23:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:23:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:23:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:23:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:23:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:23:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:23:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:23:53,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:23:53,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:23:53,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:23:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:23:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:23:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:23:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:23:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:23:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:23:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:23:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:23:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:23:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:23:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:23:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:23:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:23:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:23:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:23:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:23:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:23:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:23:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:23:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:23:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:23:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:23:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:23:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:23:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:23:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:23:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:23:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:23:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:23:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:23:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:23:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:23:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:23:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2020-10-12 17:23:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-12 17:23:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:23:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:23:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:23:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:23:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:23:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:23:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:23:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:23:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:23:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:23:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:23:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:23:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:23:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:23:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:23:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:23:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:23:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:23:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:23:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:23:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:23:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:23:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:23:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:23:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-12 17:23:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-12 17:23:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-12 17:23:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-12 17:23:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2020-10-12 17:23:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:23:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2020-10-12 17:23:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-12 17:23:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-12 17:23:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:23:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:23:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:23:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:23:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:23:53,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:23:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:23:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:23:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:23:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:23:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:23:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:23:53,348 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:23:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:23:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:23:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:23:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:23:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:23:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:23:53,349 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:23:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:23:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:23:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:23:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:23:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:23:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:23:53,350 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:23:53,351 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:23:53,351 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:23:53,351 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:23:53,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:23:53,351 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:23:53,351 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:23:53,351 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:23:53,352 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:23:53,352 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:23:53,352 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:23:53,352 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:23:53,352 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:23:53,352 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:23:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-12 17:23:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-12 17:23:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:23:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:23:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:23:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:23:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:23:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:23:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:23:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:23:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:23:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:23:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:23:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:23:53,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:23:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:23:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:23:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:23:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:23:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:23:53,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:23:55,261 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:23:55,262 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:23:55,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:23:55 BoogieIcfgContainer [2020-10-12 17:23:55,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:23:55,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:23:55,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:23:55,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:23:55,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:23:51" (1/3) ... [2020-10-12 17:23:55,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a0f6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:23:55, skipping insertion in model container [2020-10-12 17:23:55,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:53" (2/3) ... [2020-10-12 17:23:55,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a0f6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:23:55, skipping insertion in model container [2020-10-12 17:23:55,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:23:55" (3/3) ... [2020-10-12 17:23:55,278 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product25.cil.c [2020-10-12 17:23:55,289 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:23:55,297 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:23:55,313 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:23:55,340 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:23:55,340 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:23:55,340 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:23:55,341 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:23:55,341 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:23:55,341 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:23:55,341 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:23:55,341 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:23:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states. [2020-10-12 17:23:55,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 17:23:55,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:23:55,393 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:23:55,394 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:23:55,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:23:55,401 INFO L82 PathProgramCache]: Analyzing trace with hash 979301507, now seen corresponding path program 1 times [2020-10-12 17:23:55,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:23:55,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669413166] [2020-10-12 17:23:55,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:23:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:56,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:56,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:56,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:56,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:56,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:00,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:00,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:00,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-12 17:24:00,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:24:00,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-12 17:24:00,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:00,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:24:00,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-12 17:24:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 17:24:00,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:24:02,684 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:24:02,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:24:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:02,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:02,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:02,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:24:02,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:02,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-12 17:24:02,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:02,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:02,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:02,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:02,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:24:02,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:24:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:02,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:02,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:02,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:24:02,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:02,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:02,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:02,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:02,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:02,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:02,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:24:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:02,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:02,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:02,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:24:02,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:02,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:02,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:02,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:02,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:02,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:24:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:02,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:02,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:02,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:24:02,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:02,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:02,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:02,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:02,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:02,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:02,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:02,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:24:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:02,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:02,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:03,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:03,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:03,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:07,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:07,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:24:07,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:24:07,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:24:07,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:07,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:24:07,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:24:07,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:24:07,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:24:07,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:07,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:07,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:07,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:24:07,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:24:07,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:07,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:24:08,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:24:08,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:24:08,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:24:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:08,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:24:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:08,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:24:08,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:24:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:24:08,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:24:08,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:24:08,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:24:08,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 17:24:08,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:08,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:24:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:08,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:24:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:24:08,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:24:08,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-12 17:24:08,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:24:08,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:24:08,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:24:08,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:24:08,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:24:08,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:24:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:24:08,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:24:08,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:24:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:24:08,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:24:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:24:08,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:24:08,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:24:08,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:24:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:24:08,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:24:08,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:24:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:24:08,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:08,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:24:08,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:24:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:08,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:24:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:24:08,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:24:08,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:24:08,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:24:08,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:24:08,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:24:08,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:24:08,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:08,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:24:08,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:24:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:08,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:24:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:08,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:24:08,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 17:24:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:08,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:08,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 17:24:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:08,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:08,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 17:24:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:08,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:08,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:08,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:08,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:08,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:08,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:08,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:08,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:08,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:08,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 17:24:08,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1669413166] [2020-10-12 17:24:08,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:24:08,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:24:08,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167107768] [2020-10-12 17:24:08,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:24:08,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:24:08,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:24:08,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:24:08,872 INFO L87 Difference]: Start difference. First operand 587 states. Second operand 23 states. [2020-10-12 17:24:11,734 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-12 17:24:13,693 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:24:16,334 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:24:18,341 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-12 17:24:19,698 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:24:21,078 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:24:22,427 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:24:29,543 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 557 [2020-10-12 17:24:31,434 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 557 [2020-10-12 17:24:32,980 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 557 [2020-10-12 17:24:34,428 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:24:35,780 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:24:37,188 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:24:38,694 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 557 [2020-10-12 17:24:45,430 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:24:47,783 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:24:55,820 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:24:57,180 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:24:58,532 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:25:06,886 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:25:09,619 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:25:51,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:25:51,924 INFO L93 Difference]: Finished difference Result 3199 states and 5373 transitions. [2020-10-12 17:25:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2020-10-12 17:25:51,926 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 157 [2020-10-12 17:25:51,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:25:51,979 INFO L225 Difference]: With dead ends: 3199 [2020-10-12 17:25:51,979 INFO L226 Difference]: Without dead ends: 2311 [2020-10-12 17:25:52,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9964 ImplicationChecksByTransitivity, 35.6s TimeCoverageRelationStatistics Valid=3588, Invalid=22172, Unknown=0, NotChecked=0, Total=25760 [2020-10-12 17:25:52,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states. [2020-10-12 17:25:52,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 1421. [2020-10-12 17:25:52,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1421 states. [2020-10-12 17:25:52,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1421 states and 1933 transitions. [2020-10-12 17:25:52,736 INFO L78 Accepts]: Start accepts. Automaton has 1421 states and 1933 transitions. Word has length 157 [2020-10-12 17:25:52,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:25:52,737 INFO L479 AbstractCegarLoop]: Abstraction has 1421 states and 1933 transitions. [2020-10-12 17:25:52,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:25:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 1933 transitions. [2020-10-12 17:25:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 17:25:52,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:25:52,747 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:25:52,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:25:52,748 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:25:52,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:25:52,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1596243194, now seen corresponding path program 1 times [2020-10-12 17:25:52,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:25:52,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056351464] [2020-10-12 17:25:52,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:25:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:53,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:53,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:53,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:53,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:54,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:57,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:57,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-12 17:25:57,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 17:25:57,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-12 17:25:57,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:25:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-12 17:25:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:25:57,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:59,210 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:25:59,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:25:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:59,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:59,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:59,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:25:59,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:59,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 17:25:59,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:59,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:59,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:59,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:59,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:59,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:25:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:59,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:59,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:59,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:25:59,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:59,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:25:59,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:59,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:59,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:59,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:59,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:59,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:25:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:59,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:59,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:59,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:25:59,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:59,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:25:59,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:59,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:59,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:59,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:59,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:59,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:25:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:59,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:59,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:59,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:25:59,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:59,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:59,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:59,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:59,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:59,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:59,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:59,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:25:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:59,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:59,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:59,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:59,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:00,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:00,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:26:04,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:26:04,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:26:04,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:26:04,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:26:04,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:26:04,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:04,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:26:04,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:26:04,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:04,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:04,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:04,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:26:04,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:04,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:26:04,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:04,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:04,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:04,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:04,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:04,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:04,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:04,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:04,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:26:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:04,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:04,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:04,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:04,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:04,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:04,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:26:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:26:04,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:04,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:26:04,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:04,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:04,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:04,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:04,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:26:04,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:04,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:26:04,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:04,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:04,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:04,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:04,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:04,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:04,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:04,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:26:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:04,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:04,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:26:04,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:04,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:04,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:04,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:04,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:26:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:26:04,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:26:04,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-12 17:26:04,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:26:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:26:04,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:26:04,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:04,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:26:04,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:26:04,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 17:26:04,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:26:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:04,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:26:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:04,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:26:04,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:26:04,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 17:26:04,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:26:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:04,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:26:04,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:04,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:26:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:04,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:04,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:26:04,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:26:04,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:26:04,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:26:04,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:04,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:26:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:26:04,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:04,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:26:04,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:04,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:26:04,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:04,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:04,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:04,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:04,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:04,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:04,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:04,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:04,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:04,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:04,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:04,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:04,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:05,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:26:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:05,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:05,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:05,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:05,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:05,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:05,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:26:05,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:26:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:05,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:05,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:05,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:26:05,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:05,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:26:05,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:05,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:26:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:05,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:05,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:05,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:05,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:05,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:05,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:05,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:05,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:05,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:05,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:05,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:05,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:05,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:26:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:05,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:05,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:05,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:05,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:05,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:05,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:05,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:05,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:05,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:05,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:05,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 17:26:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:05,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:05,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:05,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:05,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:05,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:05,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:05,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:05,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:05,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:05,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:05,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:26:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:05,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:05,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:05,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:05,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:05,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:05,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:05,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:05,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:05,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 17:26:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:05,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:05,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:05,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:05,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:05,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:05,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:05,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:05,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:05,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:05,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:05,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 17:26:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:05,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:05,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:05,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:05,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:05,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:05,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:05,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:05,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:05,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:05,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-12 17:26:05,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056351464] [2020-10-12 17:26:05,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:26:05,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-12 17:26:05,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411023453] [2020-10-12 17:26:05,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 17:26:05,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:26:05,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 17:26:05,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-12 17:26:05,238 INFO L87 Difference]: Start difference. First operand 1421 states and 1933 transitions. Second operand 19 states. [2020-10-12 17:26:08,552 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:26:09,943 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:26:11,627 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:26:13,841 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-12 17:26:15,227 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:26:16,572 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:26:17,956 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:26:19,565 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:26:21,034 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:26:22,358 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:26:43,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:26:43,032 INFO L93 Difference]: Finished difference Result 3381 states and 4938 transitions. [2020-10-12 17:26:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-12 17:26:43,033 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 159 [2020-10-12 17:26:43,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:26:43,049 INFO L225 Difference]: With dead ends: 3381 [2020-10-12 17:26:43,050 INFO L226 Difference]: Without dead ends: 2309 [2020-10-12 17:26:43,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 16.2s TimeCoverageRelationStatistics Valid=655, Invalid=2425, Unknown=0, NotChecked=0, Total=3080 [2020-10-12 17:26:43,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2020-10-12 17:26:43,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 1423. [2020-10-12 17:26:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2020-10-12 17:26:43,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1934 transitions. [2020-10-12 17:26:43,616 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1934 transitions. Word has length 159 [2020-10-12 17:26:43,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:26:43,618 INFO L479 AbstractCegarLoop]: Abstraction has 1423 states and 1934 transitions. [2020-10-12 17:26:43,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 17:26:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1934 transitions. [2020-10-12 17:26:43,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 17:26:43,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:26:43,636 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:26:43,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:26:43,637 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:26:43,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:26:43,639 INFO L82 PathProgramCache]: Analyzing trace with hash -895233023, now seen corresponding path program 1 times [2020-10-12 17:26:43,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:26:43,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641018245] [2020-10-12 17:26:43,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:26:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:43,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:43,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:43,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:44,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:44,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:46,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:48,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:48,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-12 17:26:48,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:26:48,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-12 17:26:48,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 17:26:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-12 17:26:48,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 17:26:48,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:50,379 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:26:50,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:26:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:50,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:50,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:50,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:26:50,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 17:26:50,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:50,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:50,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:50,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:50,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:26:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:50,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:50,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:50,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:26:50,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:50,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:26:50,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:50,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:50,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:50,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:50,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:50,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:26:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:50,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:50,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:50,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:26:50,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:50,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:26:50,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:50,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:50,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:50,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:50,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:50,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:26:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:50,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:50,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:50,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:26:50,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:50,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:26:50,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:50,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:50,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:50,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:50,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:26:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:50,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:50,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:50,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:50,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:50,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:26:55,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:26:55,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:26:55,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:26:55,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 17:26:55,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:26:55,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:55,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:26:55,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:26:55,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:55,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:26:55,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:26:55,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:55,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:55,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:55,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:55,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:55,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:55,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:55,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:55,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:55,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:55,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:26:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:55,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:55,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:26:55,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:55,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:55,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:55,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:26:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:26:55,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:55,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:26:55,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:55,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:55,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:55,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:55,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:26:55,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:55,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:26:55,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:55,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:55,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:55,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:55,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:55,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:55,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:55,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:55,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:55,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:55,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:55,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:26:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:55,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:55,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:55,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:55,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:26:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:26:55,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:26:55,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 17:26:55,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:26:55,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:26:55,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:26:55,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:55,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:26:55,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:55,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:26:55,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:26:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:26:55,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:26:55,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:26:55,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:55,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:26:55,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:26:55,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:55,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:26:55,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:55,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:26:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:55,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:55,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:26:55,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:55,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:26:55,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:26:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:55,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:26:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:55,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:26:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:55,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:56,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:56,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:26:56,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:56,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 17:26:56,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:26:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:26:56,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:56,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:56,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:56,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:56,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:56,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:56,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:56,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:56,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:26:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:56,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:56,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:56,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:56,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:56,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:56,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:56,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:56,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:26:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:56,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:56,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:56,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:26:56,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:56,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:26:56,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:56,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:26:56,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:26:56,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:26:56,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:56,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:56,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:56,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:56,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:56,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:56,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:26:56,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:56,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:26:56,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:56,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:26:56,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:56,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:26:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:56,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:56,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:56,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:56,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:56,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:56,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:56,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:56,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:26:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:56,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:56,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:56,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:56,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:56,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:56,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:56,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:26:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:56,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:56,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:56,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:56,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:56,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:56,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:56,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:56,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 17:26:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:56,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:56,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:56,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:56,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:56,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:56,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:56,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:56,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:56,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:56,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:56,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 17:26:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:56,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:56,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:56,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:56,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:56,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:56,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:56,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:56,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 17:26:56,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641018245] [2020-10-12 17:26:56,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:26:56,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:26:56,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640589688] [2020-10-12 17:26:56,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:26:56,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:26:56,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:26:56,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:26:56,359 INFO L87 Difference]: Start difference. First operand 1423 states and 1934 transitions. Second operand 23 states. [2020-10-12 17:26:58,854 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-12 17:27:00,588 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:27:03,212 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-12 17:27:05,228 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-12 17:27:06,607 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:27:07,963 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:27:09,343 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-12 17:27:16,556 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 557 [2020-10-12 17:27:18,648 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 557 [2020-10-12 17:27:20,301 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 557 [2020-10-12 17:27:21,825 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:27:23,478 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 557 [2020-10-12 17:27:28,947 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:27:31,879 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:27:33,279 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 560 [2020-10-12 17:27:34,690 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 560