/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:53:11,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:53:11,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:53:11,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:53:11,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:53:11,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:53:11,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:53:11,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:53:11,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:53:11,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:53:11,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:53:11,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:53:11,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:53:11,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:53:11,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:53:11,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:53:11,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:53:11,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:53:11,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:53:11,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:53:11,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:53:11,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:53:11,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:53:11,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:53:11,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:53:11,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:53:11,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:53:11,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:53:11,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:53:11,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:53:11,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:53:11,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:53:11,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:53:11,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:53:11,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:53:11,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:53:11,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:53:11,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:53:11,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:53:11,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:53:11,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:53:11,918 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 [2020-10-14 06:53:11,942 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:53:11,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:53:11,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:53:11,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:53:11,944 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:53:11,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:53:11,944 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:53:11,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:53:11,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:53:11,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:53:11,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:53:11,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:53:11,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:53:11,946 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:53:11,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:53:11,946 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:53:11,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:53:11,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:53:11,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:53:11,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:53:11,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:53:11,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:53:11,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:53:11,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:53:11,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:53:11,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:53:11,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:53:11,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:53:11,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:53:11,949 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:53:12,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:53:12,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:53:12,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:53:12,272 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:53:12,273 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:53:12,273 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c [2020-10-14 06:53:12,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a11eb5a75/857132b547054ff496628fb762a82dd9/FLAG95698e7d9 [2020-10-14 06:53:12,949 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:53:12,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c [2020-10-14 06:53:12,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a11eb5a75/857132b547054ff496628fb762a82dd9/FLAG95698e7d9 [2020-10-14 06:53:13,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a11eb5a75/857132b547054ff496628fb762a82dd9 [2020-10-14 06:53:13,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:53:13,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:53:13,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:53:13,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:53:13,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:53:13,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:53:13" (1/1) ... [2020-10-14 06:53:13,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6317371b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:53:13, skipping insertion in model container [2020-10-14 06:53:13,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:53:13" (1/1) ... [2020-10-14 06:53:13,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:53:13,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:53:14,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:53:14,092 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:53:14,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:53:14,404 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:53:14,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:53:14 WrapperNode [2020-10-14 06:53:14,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:53:14,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:53:14,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:53:14,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:53:14,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:53:14" (1/1) ... [2020-10-14 06:53:14,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:53:14" (1/1) ... [2020-10-14 06:53:14,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:53:14" (1/1) ... [2020-10-14 06:53:14,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:53:14" (1/1) ... [2020-10-14 06:53:14,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:53:14" (1/1) ... [2020-10-14 06:53:14,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:53:14" (1/1) ... [2020-10-14 06:53:14,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:53:14" (1/1) ... [2020-10-14 06:53:14,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:53:14,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:53:14,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:53:14,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:53:14,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:53:14" (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 [2020-10-14 06:53:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:53:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:53:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:53:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2020-10-14 06:53:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2020-10-14 06:53:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-14 06:53:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-14 06:53:14,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-14 06:53:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-14 06:53:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-14 06:53:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-14 06:53:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-14 06:53:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:53:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:53:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:53:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:53:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:53:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:53:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-14 06:53:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-14 06:53:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-14 06:53:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-14 06:53:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-14 06:53:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-14 06:53:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-14 06:53:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-14 06:53:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-14 06:53:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-14 06:53:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-14 06:53:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-14 06:53:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-14 06:53:14,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-14 06:53:14,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-14 06:53:14,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-14 06:53:14,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-14 06:53:14,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-14 06:53:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-14 06:53:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-14 06:53:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-14 06:53:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-14 06:53:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-14 06:53:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-14 06:53:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-14 06:53:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-14 06:53:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-14 06:53:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-14 06:53:14,684 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-14 06:53:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-14 06:53:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-14 06:53:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-14 06:53:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-14 06:53:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-14 06:53:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-14 06:53:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-14 06:53:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-14 06:53:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:53:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:53:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:53:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:53:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:53:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:53:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-14 06:53:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-14 06:53:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-14 06:53:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-14 06:53:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-14 06:53:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-14 06:53:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-14 06:53:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-14 06:53:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:53:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:53:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-14 06:53:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-14 06:53:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-14 06:53:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-14 06:53:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-14 06:53:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-14 06:53:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-14 06:53:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-14 06:53:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-14 06:53:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-14 06:53:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-14 06:53:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-14 06:53:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-14 06:53:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-14 06:53:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-14 06:53:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-14 06:53:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-14 06:53:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-14 06:53:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-14 06:53:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-14 06:53:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-14 06:53:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-14 06:53:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-14 06:53:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-14 06:53:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-14 06:53:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-14 06:53:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-14 06:53:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-14 06:53:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-14 06:53:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-14 06:53:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-14 06:53:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-14 06:53:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-14 06:53:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-14 06:53:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-14 06:53:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-14 06:53:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-14 06:53:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-14 06:53:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-14 06:53:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:53:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:53:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:53:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-14 06:53:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:53:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-14 06:53:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2020-10-14 06:53:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:53:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2020-10-14 06:53:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-14 06:53:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-14 06:53:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-14 06:53:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-14 06:53:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-14 06:53:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-14 06:53:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-14 06:53:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-14 06:53:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-14 06:53:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-14 06:53:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-14 06:53:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-14 06:53:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-14 06:53:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:53:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:53:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:53:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:53:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:53:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:53:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:53:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:53:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:53:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:53:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:53:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:53:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:53:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:53:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:53:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:53:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-14 06:53:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-14 06:53:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-14 06:53:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-14 06:53:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-14 06:53:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-14 06:53:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-14 06:53:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-14 06:53:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-14 06:53:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-14 06:53:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-14 06:53:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-14 06:53:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-14 06:53:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-14 06:53:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-14 06:53:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-14 06:53:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-14 06:53:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-14 06:53:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-14 06:53:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-14 06:53:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-14 06:53:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-14 06:53:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-14 06:53:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-14 06:53:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-14 06:53:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-14 06:53:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-14 06:53:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-14 06:53:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-14 06:53:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-14 06:53:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-14 06:53:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-14 06:53:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-14 06:53:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-14 06:53:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-14 06:53:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-14 06:53:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:53:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:53:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:53:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:53:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-14 06:53:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-14 06:53:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-14 06:53:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-14 06:53:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-14 06:53:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-14 06:53:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-14 06:53:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-14 06:53:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-14 06:53:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:53:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-14 06:53:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-14 06:53:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-14 06:53:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-14 06:53:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-14 06:53:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-14 06:53:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-14 06:53:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-14 06:53:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-14 06:53:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-14 06:53:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-14 06:53:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:53:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:53:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-14 06:53:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-14 06:53:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-14 06:53:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-14 06:53:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-14 06:53:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-14 06:53:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-14 06:53:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-14 06:53:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-14 06:53:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-14 06:53:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-14 06:53:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-14 06:53:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-14 06:53:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-14 06:53:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-14 06:53:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-14 06:53:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-14 06:53:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-14 06:53:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-14 06:53:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-14 06:53:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-14 06:53:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:53:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:53:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:53:16,688 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:53:16,688 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 06:53:16,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:53:16 BoogieIcfgContainer [2020-10-14 06:53:16,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:53:16,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:53:16,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:53:16,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:53:16,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:53:13" (1/3) ... [2020-10-14 06:53:16,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bce1b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:53:16, skipping insertion in model container [2020-10-14 06:53:16,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:53:14" (2/3) ... [2020-10-14 06:53:16,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bce1b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:53:16, skipping insertion in model container [2020-10-14 06:53:16,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:53:16" (3/3) ... [2020-10-14 06:53:16,712 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product16.cil.c [2020-10-14 06:53:16,724 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:53:16,738 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:53:16,754 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:53:16,786 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:53:16,786 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:53:16,789 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:53:16,792 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:53:16,792 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:53:16,793 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:53:16,793 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:53:16,793 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:53:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2020-10-14 06:53:16,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-14 06:53:16,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:53:16,850 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:53:16,850 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:53:16,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:53:16,855 INFO L82 PathProgramCache]: Analyzing trace with hash -985868232, now seen corresponding path program 1 times [2020-10-14 06:53:16,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:53:16,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259363484] [2020-10-14 06:53:16,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:53:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:17,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:17,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:17,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:18,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:21,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:21,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:22,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:22,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 06:53:22,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:53:22,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-14 06:53:22,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:22,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-14 06:53:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:22,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 06:53:24,156 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-14 06:53:24,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:53:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:24,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:24,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:24,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:53:24,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 06:53:24,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:24,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:24,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:24,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:53:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:24,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:24,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:24,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:53:24,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:24,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:24,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:24,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:24,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:24,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:53:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:24,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:24,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:24,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:53:24,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:24,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:24,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:24,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:24,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:24,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:53:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:24,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:24,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:24,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:53:24,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:24,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:24,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:24,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:24,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:24,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:24,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:24,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:24,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:53:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:24,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:24,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:24,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:24,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:25,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:53:29,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:53:29,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 06:53:29,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:53:29,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:53:29,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:53:29,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:53:29,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:53:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:53:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:53:29,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:53:29,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:53:29,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:53:29,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:53:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:53:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:53:29,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:53:29,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:29,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:53:29,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:53:29,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:29,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:53:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:53:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:53:29,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:53:29,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:53:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:29,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:53:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:29,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:29,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 06:53:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:53:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:29,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 06:53:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:53:29,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:53:29,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:29,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 06:53:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:53:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:29,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 06:53:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:53:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:29,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 06:53:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:29,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:29,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:29,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:29,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:29,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:29,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:53:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:29,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:29,641 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:53:29,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259363484] [2020-10-14 06:53:29,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:53:29,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:53:29,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170660864] [2020-10-14 06:53:29,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:53:29,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:53:29,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:53:29,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:53:29,665 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 10 states. [2020-10-14 06:53:40,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:53:40,192 INFO L93 Difference]: Finished difference Result 1037 states and 1506 transitions. [2020-10-14 06:53:40,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 06:53:40,195 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2020-10-14 06:53:40,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:53:40,218 INFO L225 Difference]: With dead ends: 1037 [2020-10-14 06:53:40,218 INFO L226 Difference]: Without dead ends: 724 [2020-10-14 06:53:40,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-10-14 06:53:40,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2020-10-14 06:53:40,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 457. [2020-10-14 06:53:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-10-14 06:53:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 605 transitions. [2020-10-14 06:53:40,502 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 605 transitions. Word has length 145 [2020-10-14 06:53:40,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:53:40,503 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 605 transitions. [2020-10-14 06:53:40,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:53:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 605 transitions. [2020-10-14 06:53:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 06:53:40,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:53:40,510 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:53:40,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:53:40,510 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:53:40,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:53:40,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1017639439, now seen corresponding path program 1 times [2020-10-14 06:53:40,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:53:40,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670357539] [2020-10-14 06:53:40,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:53:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:40,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:40,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:40,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:40,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:41,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:45,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:45,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-14 06:53:45,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:53:45,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 06:53:45,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:45,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:53:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:53:45,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 06:53:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:47,340 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-14 06:53:47,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:53:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:47,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:47,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:47,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:53:47,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:47,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 06:53:47,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:47,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:47,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:47,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:47,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:47,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:47,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:53:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:47,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:47,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:47,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:53:47,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:47,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:53:47,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:47,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:47,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:47,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:53:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:47,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:47,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:47,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:53:47,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:47,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:53:47,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:47,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:47,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:47,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:47,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:53:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:47,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:47,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:47,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:53:47,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:47,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:47,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:47,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:47,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:47,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:47,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:47,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:47,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:53:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:47,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:47,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:47,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:47,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:48,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:53:52,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:53:52,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 06:53:52,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:52,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:53:52,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:53:52,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:53:52,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:53:52,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:53:52,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:53:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:52,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:53:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:53:52,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:53:52,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:53:52,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:53:52,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:53:52,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:53:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:52,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:53:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:53:52,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:53:52,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:53:52,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:53:52,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:52,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:53:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:53:52,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 06:53:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:53:52,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:53:52,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:53:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:53:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:52,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:53:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:52,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:52,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:53:52,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 06:53:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:53:52,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:53:52,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:52,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 06:53:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:53:52,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:52,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:53:52,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:52,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 06:53:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:52,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:53:52,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:52,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 06:53:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:52,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:53:52,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:52,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 06:53:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:52,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:52,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:52,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:53:52,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:52,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:53:52,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:52,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:52,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:53:52,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:52,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:53:52,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670357539] [2020-10-14 06:53:52,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:53:52,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:53:52,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543093721] [2020-10-14 06:53:52,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:53:52,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:53:52,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:53:52,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:53:52,871 INFO L87 Difference]: Start difference. First operand 457 states and 605 transitions. Second operand 11 states. [2020-10-14 06:53:56,361 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-14 06:54:06,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:54:06,138 INFO L93 Difference]: Finished difference Result 952 states and 1340 transitions. [2020-10-14 06:54:06,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 06:54:06,139 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2020-10-14 06:54:06,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:54:06,147 INFO L225 Difference]: With dead ends: 952 [2020-10-14 06:54:06,147 INFO L226 Difference]: Without dead ends: 727 [2020-10-14 06:54:06,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2020-10-14 06:54:06,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2020-10-14 06:54:06,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 459. [2020-10-14 06:54:06,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-14 06:54:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 607 transitions. [2020-10-14 06:54:06,339 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 607 transitions. Word has length 146 [2020-10-14 06:54:06,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:54:06,340 INFO L479 AbstractCegarLoop]: Abstraction has 459 states and 607 transitions. [2020-10-14 06:54:06,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:54:06,340 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 607 transitions. [2020-10-14 06:54:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-14 06:54:06,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:54:06,344 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:54:06,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:54:06,344 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:54:06,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:54:06,345 INFO L82 PathProgramCache]: Analyzing trace with hash -396896995, now seen corresponding path program 1 times [2020-10-14 06:54:06,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:54:06,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [638305205] [2020-10-14 06:54:06,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:54:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:06,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:06,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:06,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:06,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:08,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:08,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:11,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:11,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-14 06:54:11,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:54:11,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-14 06:54:11,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:11,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:54:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:54:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:54:11,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:12,730 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-14 06:54:12,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:54:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:12,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:12,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:12,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:54:12,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:12,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 06:54:12,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:12,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:12,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:12,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:12,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:12,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:12,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:54:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:12,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:12,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:12,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:54:12,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:12,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:12,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:12,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:12,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:12,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:12,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:12,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:12,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:54:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:12,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:12,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:12,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:54:12,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:12,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:12,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:12,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:12,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:12,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:54:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:12,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:12,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:12,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:54:12,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:12,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:12,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:12,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:12,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:12,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:12,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:12,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:54:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:12,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:12,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:12,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:12,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:14,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:54:17,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:54:17,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 06:54:17,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:17,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:54:17,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:54:17,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:17,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:54:17,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:17,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:17,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:17,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:17,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:17,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:54:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:17,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:17,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:17,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:54:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:54:17,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:54:17,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:17,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:54:17,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:17,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:17,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:17,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:17,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:17,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:54:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:17,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:17,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:17,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:54:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:54:17,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:54:17,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:17,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:54:17,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:54:17,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:17,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:17,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:17,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:17,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:54:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:17,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:17,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:17,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:17,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:17,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:17,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:17,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:17,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:17,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-14 06:54:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:17,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:17,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:17,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:54:17,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:18,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:54:18,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:18,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:54:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:18,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:18,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:18,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:18,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:18,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:18,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:18,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:18,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:18,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:18,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:18,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:18,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:18,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:18,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:54:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:18,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:18,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:18,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:18,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:18,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:18,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:18,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:18,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:18,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:18,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:18,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:18,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 06:54:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:18,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:18,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:18,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:18,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:18,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:18,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:18,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:18,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:18,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 06:54:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:18,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:18,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:18,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:54:18,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:18,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:18,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:18,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:18,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:54:18,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:18,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:18,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 06:54:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:18,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:18,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:18,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:18,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:18,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:18,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:18,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:18,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:18,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:18,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:18,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 06:54:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:18,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:18,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:18,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:18,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:18,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:18,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:18,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:18,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:18,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 06:54:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:18,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:18,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:18,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:18,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:18,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:18,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:18,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:18,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:18,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:18,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:18,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:18,100 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:54:18,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [638305205] [2020-10-14 06:54:18,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:54:18,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:54:18,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706497174] [2020-10-14 06:54:18,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:54:18,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:54:18,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:54:18,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:54:18,103 INFO L87 Difference]: Start difference. First operand 459 states and 607 transitions. Second operand 11 states. [2020-10-14 06:54:21,645 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-14 06:54:32,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:54:32,853 INFO L93 Difference]: Finished difference Result 1243 states and 1828 transitions. [2020-10-14 06:54:32,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:54:32,855 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 152 [2020-10-14 06:54:32,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:54:32,862 INFO L225 Difference]: With dead ends: 1243 [2020-10-14 06:54:32,862 INFO L226 Difference]: Without dead ends: 849 [2020-10-14 06:54:32,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:54:32,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2020-10-14 06:54:33,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 499. [2020-10-14 06:54:33,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-10-14 06:54:33,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 676 transitions. [2020-10-14 06:54:33,032 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 676 transitions. Word has length 152 [2020-10-14 06:54:33,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:54:33,033 INFO L479 AbstractCegarLoop]: Abstraction has 499 states and 676 transitions. [2020-10-14 06:54:33,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:54:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 676 transitions. [2020-10-14 06:54:33,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-14 06:54:33,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:54:33,036 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:54:33,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:54:33,037 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:54:33,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:54:33,037 INFO L82 PathProgramCache]: Analyzing trace with hash -346170334, now seen corresponding path program 1 times [2020-10-14 06:54:33,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:54:33,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061342934] [2020-10-14 06:54:33,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:54:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:33,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:33,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:33,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:33,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:34,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:38,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:38,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-14 06:54:38,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:54:38,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 06:54:38,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:38,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:38,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 06:54:38,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:54:38,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:54:38,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:39,358 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-14 06:54:39,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:54:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:39,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:39,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:39,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:54:39,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:39,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 06:54:39,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:39,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:39,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:39,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:54:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:39,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:39,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:39,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:54:39,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:39,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:39,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:39,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:39,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:39,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:39,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:54:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:39,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:39,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:39,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:54:39,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:39,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:39,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:39,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:39,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:39,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:54:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:39,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:39,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:39,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:54:39,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:39,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:39,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:39,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:39,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:54:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:39,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:39,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:39,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:39,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:40,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:54:44,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:54:44,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4879 [2020-10-14 06:54:44,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:54:44,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:54:44,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:54:44,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:44,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:44,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:54:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:44,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:54:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:54:44,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:54:44,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:54:44,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:44,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:44,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:54:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:44,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:54:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:54:44,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:54:44,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:54:44,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:54:44,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:44,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:54:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:44,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-14 06:54:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:54:44,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:54:44,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:54:44,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:44,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:54:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:44,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-14 06:54:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:44,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:44,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 06:54:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:54:44,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:44,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:54:44,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-14 06:54:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:44,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:44,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 06:54:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:44,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:44,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:44,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-14 06:54:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:44,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:44,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:44,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:44,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:44,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:54:44,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:44,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:44,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:44,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:44,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:44,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:54:44,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061342934] [2020-10-14 06:54:44,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 06:54:44,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 06:54:44,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845416492] [2020-10-14 06:54:44,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 06:54:44,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:54:44,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 06:54:44,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-14 06:54:44,640 INFO L87 Difference]: Start difference. First operand 499 states and 676 transitions. Second operand 12 states. [2020-10-14 06:54:48,692 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-14 06:54:50,063 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-14 06:55:02,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:55:02,147 INFO L93 Difference]: Finished difference Result 1137 states and 1679 transitions. [2020-10-14 06:55:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 06:55:02,148 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 153 [2020-10-14 06:55:02,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:55:02,155 INFO L225 Difference]: With dead ends: 1137 [2020-10-14 06:55:02,156 INFO L226 Difference]: Without dead ends: 912 [2020-10-14 06:55:02,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2020-10-14 06:55:02,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-14 06:55:02,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 544. [2020-10-14 06:55:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-10-14 06:55:02,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 751 transitions. [2020-10-14 06:55:02,347 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 751 transitions. Word has length 153 [2020-10-14 06:55:02,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:55:02,348 INFO L479 AbstractCegarLoop]: Abstraction has 544 states and 751 transitions. [2020-10-14 06:55:02,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 06:55:02,348 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 751 transitions. [2020-10-14 06:55:02,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 06:55:02,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:55:02,352 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:55:02,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:55:02,352 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:55:02,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:55:02,353 INFO L82 PathProgramCache]: Analyzing trace with hash -35100891, now seen corresponding path program 1 times [2020-10-14 06:55:02,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:55:02,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50685955] [2020-10-14 06:55:02,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:55:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:02,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:02,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:02,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:02,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:02,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:02,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:03,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:03,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:03,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:03,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:03,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:03,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:03,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:04,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:07,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:07,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-14 06:55:07,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 06:55:07,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 06:55:07,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:07,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:07,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:55:07,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:55:07,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 06:55:07,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:08,741 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-14 06:55:08,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:55:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:08,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:08,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:08,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:55:08,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:08,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 06:55:08,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:08,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:08,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:08,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:08,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:08,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:08,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:55:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:08,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:08,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:08,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:55:08,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:08,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:08,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:08,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:08,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:08,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:55:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:08,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:08,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:08,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:55:08,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:08,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:08,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:08,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:08,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:08,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:55:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:08,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:08,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:08,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:55:08,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:08,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:08,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:08,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:08,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:08,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:55:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:08,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:08,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:08,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:08,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:09,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:55:12,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:55:12,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3628 [2020-10-14 06:55:12,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:12,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:55:12,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:12,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:12,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:12,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:12,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:12,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:55:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:12,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:12,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:12,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:12,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:12,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:12,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:55:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:12,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:55:12,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:12,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:12,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:12,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:12,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 06:55:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:55:12,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:55:12,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:55:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:12,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:55:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:12,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:12,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 06:55:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:12,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 06:55:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:55:12,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:12,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:55:12,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 06:55:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:12,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-14 06:55:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:12,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-14 06:55:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:12,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:12,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:12,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:12,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:12,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:12,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:55:12,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50685955] [2020-10-14 06:55:12,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:55:12,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:55:12,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165556236] [2020-10-14 06:55:12,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:55:12,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:55:12,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:55:12,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:55:12,729 INFO L87 Difference]: Start difference. First operand 544 states and 751 transitions. Second operand 11 states. [2020-10-14 06:55:16,435 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-14 06:55:27,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:55:27,974 INFO L93 Difference]: Finished difference Result 1369 states and 2122 transitions. [2020-10-14 06:55:27,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:55:27,975 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-10-14 06:55:27,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:55:27,982 INFO L225 Difference]: With dead ends: 1369 [2020-10-14 06:55:27,982 INFO L226 Difference]: Without dead ends: 1144 [2020-10-14 06:55:27,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:55:27,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2020-10-14 06:55:28,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 623. [2020-10-14 06:55:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2020-10-14 06:55:28,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 884 transitions. [2020-10-14 06:55:28,252 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 884 transitions. Word has length 159 [2020-10-14 06:55:28,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:55:28,252 INFO L479 AbstractCegarLoop]: Abstraction has 623 states and 884 transitions. [2020-10-14 06:55:28,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:55:28,252 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 884 transitions. [2020-10-14 06:55:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-14 06:55:28,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:55:28,255 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:55:28,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:55:28,256 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:55:28,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:55:28,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1209146159, now seen corresponding path program 2 times [2020-10-14 06:55:28,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:55:28,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983078875] [2020-10-14 06:55:28,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:55:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:28,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:28,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:28,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:28,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:28,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:28,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:33,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:33,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 06:55:33,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:55:33,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 06:55:33,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:33,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:55:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-14 06:55:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:55:33,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:34,657 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-14 06:55:34,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:55:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:34,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:34,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:34,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:55:34,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:34,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 06:55:34,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:34,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:34,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:34,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:55:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:34,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:34,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:34,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:55:34,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:34,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:34,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:34,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:34,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:34,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:55:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:34,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:34,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:34,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:55:34,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:34,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:34,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:34,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:34,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:34,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:34,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:34,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:34,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:55:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:34,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:34,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:34,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:55:34,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:34,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:34,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:34,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:34,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:34,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:34,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:55:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:34,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:34,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:34,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:34,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:35,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:55:39,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:55:39,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4556 [2020-10-14 06:55:39,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:39,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:39,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:39,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:39,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:39,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:39,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:55:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:39,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:39,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:39,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:39,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:39,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:39,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:55:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:39,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:39,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:39,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:39,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:39,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:39,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 06:55:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:55:39,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:55:39,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:55:39,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:39,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:55:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:39,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 06:55:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:39,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 06:55:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:55:39,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:39,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:55:39,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 06:55:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:39,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:39,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 06:55:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:39,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:39,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 06:55:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:39,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:39,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:39,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:39,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:39,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:39,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:39,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:39,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:55:39,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983078875] [2020-10-14 06:55:39,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:55:39,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:55:39,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940010321] [2020-10-14 06:55:39,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:55:39,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:55:39,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:55:39,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:55:39,547 INFO L87 Difference]: Start difference. First operand 623 states and 884 transitions. Second operand 11 states. [2020-10-14 06:55:43,736 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-14 06:55:59,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:55:59,549 INFO L93 Difference]: Finished difference Result 2125 states and 3471 transitions. [2020-10-14 06:55:59,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:55:59,550 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-14 06:55:59,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:55:59,562 INFO L225 Difference]: With dead ends: 2125 [2020-10-14 06:55:59,562 INFO L226 Difference]: Without dead ends: 1614 [2020-10-14 06:55:59,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:55:59,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2020-10-14 06:55:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 781. [2020-10-14 06:55:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2020-10-14 06:55:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1150 transitions. [2020-10-14 06:55:59,944 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1150 transitions. Word has length 160 [2020-10-14 06:55:59,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:55:59,945 INFO L479 AbstractCegarLoop]: Abstraction has 781 states and 1150 transitions. [2020-10-14 06:55:59,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:55:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1150 transitions. [2020-10-14 06:55:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-14 06:55:59,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:55:59,950 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:55:59,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:55:59,951 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:55:59,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:55:59,951 INFO L82 PathProgramCache]: Analyzing trace with hash 188414340, now seen corresponding path program 1 times [2020-10-14 06:55:59,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:55:59,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015878294] [2020-10-14 06:55:59,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:55:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:00,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:00,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:03,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:04,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:05,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:05,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 06:56:05,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 06:56:05,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 06:56:05,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:05,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:56:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:56:05,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 06:56:05,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:06,314 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-14 06:56:06,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:56:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:06,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:06,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:06,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:56:06,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:06,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 06:56:06,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:06,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:06,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:56:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:06,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:06,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:06,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:56:06,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:06,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:06,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:06,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:06,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:06,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:06,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:56:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:06,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:06,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:06,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:56:06,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:06,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:06,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:06,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:06,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:06,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:56:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:06,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:06,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:06,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:56:06,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:06,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:06,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:06,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:06,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:56:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:06,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:06,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:06,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:06,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:06,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:56:10,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:56:10,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4220 [2020-10-14 06:56:10,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:10,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:56:10,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:10,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:56:10,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:56:10,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:10,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:10,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:56:10,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:56:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:10,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:56:10,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:10,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:10,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:56:10,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:10,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:56:10,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:10,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:56:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:10,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:56:10,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:10,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:56:10,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:10,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:10,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 06:56:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:56:10,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:56:10,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:56:10,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:10,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:56:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:10,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 06:56:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:10,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:10,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 06:56:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:56:10,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:10,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:56:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 06:56:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:10,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:10,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 06:56:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:10,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:10,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 06:56:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:10,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:10,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:10,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:10,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:10,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:10,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:10,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:10,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:10,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:10,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:10,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:56:10,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015878294] [2020-10-14 06:56:10,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:56:10,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:56:10,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148235085] [2020-10-14 06:56:10,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:56:10,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:56:10,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:56:10,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:56:10,884 INFO L87 Difference]: Start difference. First operand 781 states and 1150 transitions. Second operand 11 states. [2020-10-14 06:56:14,936 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-14 06:56:29,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:56:29,129 INFO L93 Difference]: Finished difference Result 3019 states and 5149 transitions. [2020-10-14 06:56:29,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:56:29,130 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-14 06:56:29,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:56:29,146 INFO L225 Difference]: With dead ends: 3019 [2020-10-14 06:56:29,147 INFO L226 Difference]: Without dead ends: 2494 [2020-10-14 06:56:29,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:56:29,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2020-10-14 06:56:29,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 1075. [2020-10-14 06:56:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2020-10-14 06:56:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1643 transitions. [2020-10-14 06:56:29,686 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1643 transitions. Word has length 160 [2020-10-14 06:56:29,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:56:29,686 INFO L479 AbstractCegarLoop]: Abstraction has 1075 states and 1643 transitions. [2020-10-14 06:56:29,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:56:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1643 transitions. [2020-10-14 06:56:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 06:56:29,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:56:29,691 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:56:29,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 06:56:29,692 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:56:29,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:56:29,692 INFO L82 PathProgramCache]: Analyzing trace with hash 345869477, now seen corresponding path program 1 times [2020-10-14 06:56:29,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:56:29,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631831734] [2020-10-14 06:56:29,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:56:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:29,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:29,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:29,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:29,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:29,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:29,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:30,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:30,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:32,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:32,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:32,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:32,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:34,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:34,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 06:56:34,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-14 06:56:34,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 06:56:34,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:34,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:56:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:56:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 06:56:34,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:36,102 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-14 06:56:36,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:56:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:36,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:36,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:36,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:56:36,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:36,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 06:56:36,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:36,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:36,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:36,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:36,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:36,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:36,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:56:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:36,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:36,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:36,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:56:36,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:36,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:36,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:36,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:36,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:36,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:36,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:36,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:36,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:56:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:36,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:36,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:36,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:56:36,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:36,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:36,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:36,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:36,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:36,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:36,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:36,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:36,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:56:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:36,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:36,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:36,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:56:36,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:36,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:36,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:36,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:36,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:36,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:36,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:56:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:36,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:36,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:36,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:36,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:36,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:56:40,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:56:40,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4268 [2020-10-14 06:56:40,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:40,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:56:40,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:40,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:40,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:40,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:40,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:56:40,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:56:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:40,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:56:40,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:40,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:40,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:40,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:40,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:56:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:40,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:56:40,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:40,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:40,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:40,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:40,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 06:56:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:56:40,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:56:40,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:56:40,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:40,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:56:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:40,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 06:56:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:40,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 06:56:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:56:40,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:40,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:56:40,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 06:56:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:40,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 06:56:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:40,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-14 06:56:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:40,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:40,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:40,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:40,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:40,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:40,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:40,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:40,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:40,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:40,719 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:56:40,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631831734] [2020-10-14 06:56:40,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:56:40,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:56:40,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283873993] [2020-10-14 06:56:40,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:56:40,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:56:40,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:56:40,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:56:40,721 INFO L87 Difference]: Start difference. First operand 1075 states and 1643 transitions. Second operand 11 states. [2020-10-14 06:56:44,705 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 559