/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 SingleStatement --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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:21:32,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:21:32,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:21:32,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:21:32,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:21:32,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:21:32,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:21:32,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:21:32,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:21:32,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:21:32,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:21:32,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:21:32,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:21:32,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:21:32,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:21:32,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:21:32,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:21:32,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:21:32,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:21:32,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:21:32,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:21:32,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:21:32,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:21:32,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:21:32,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:21:32,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:21:32,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:21:32,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:21:32,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:21:32,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:21:32,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:21:32,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:21:32,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:21:32,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:21:32,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:21:32,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:21:32,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:21:32,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:21:32,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:21:32,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:21:32,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:21:32,755 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 [2020-09-25 02:21:32,783 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:21:32,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:21:32,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:21:32,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:21:32,785 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:21:32,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:21:32,785 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:21:32,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:21:32,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:21:32,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:21:32,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:21:32,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:21:32,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:21:32,787 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:21:32,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:21:32,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:21:32,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:21:32,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:21:32,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:21:32,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:21:32,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:21:32,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:21:32,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:21:32,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:21:32,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:21:32,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:21:32,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:21:32,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:21:32,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:21:32,790 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 -> SingleStatement 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=NARROWEST;log-additional-information=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=NARROWEST;log-additional-information=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=NARROWEST;log-additional-information=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=NARROWEST;log-additional-information=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=NARROWEST;log-additional-information=true; [2020-09-25 02:21:33,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:21:33,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:21:33,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:21:33,344 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:21:33,344 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:21:33,346 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2020-09-25 02:21:33,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e47587173/d618e895f63842f09cd95517cbb1e525/FLAGcb533d85d [2020-09-25 02:21:33,964 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:21:33,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2020-09-25 02:21:33,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e47587173/d618e895f63842f09cd95517cbb1e525/FLAGcb533d85d [2020-09-25 02:21:34,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e47587173/d618e895f63842f09cd95517cbb1e525 [2020-09-25 02:21:34,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:21:34,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:21:34,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:21:34,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:21:34,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:21:34,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:21:34" (1/1) ... [2020-09-25 02:21:34,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fbfd6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:34, skipping insertion in model container [2020-09-25 02:21:34,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:21:34" (1/1) ... [2020-09-25 02:21:34,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:21:34,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:21:34,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:21:34,628 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:21:34,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:21:34,820 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:21:34,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:34 WrapperNode [2020-09-25 02:21:34,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:21:34,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:21:34,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:21:34,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:21:34,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:34" (1/1) ... [2020-09-25 02:21:34,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:34" (1/1) ... [2020-09-25 02:21:34,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:34" (1/1) ... [2020-09-25 02:21:34,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:34" (1/1) ... [2020-09-25 02:21:34,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:34" (1/1) ... [2020-09-25 02:21:34,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:34" (1/1) ... [2020-09-25 02:21:34,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:34" (1/1) ... [2020-09-25 02:21:34,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:21:34,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:21:34,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:21:34,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:21:34,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:34" (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 [2020-09-25 02:21:34,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:21:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:21:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 02:21:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 02:21:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 02:21:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-09-25 02:21:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 02:21:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 02:21:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-09-25 02:21:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 02:21:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 02:21:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 02:21:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 02:21:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 02:21:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 02:21:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 02:21:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 02:21:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 02:21:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 02:21:34,967 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 02:21:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 02:21:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 02:21:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:21:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:21:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 02:21:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 02:21:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 02:21:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-09-25 02:21:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 02:21:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:21:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 02:21:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 02:21:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-09-25 02:21:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 02:21:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 02:21:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 02:21:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 02:21:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 02:21:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 02:21:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 02:21:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 02:21:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 02:21:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 02:21:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 02:21:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 02:21:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:21:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:21:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:21:35,758 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:21:35,758 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 02:21:35,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:21:35 BoogieIcfgContainer [2020-09-25 02:21:35,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:21:35,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:21:35,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:21:35,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:21:35,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:21:34" (1/3) ... [2020-09-25 02:21:35,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4501f9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:21:35, skipping insertion in model container [2020-09-25 02:21:35,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:21:34" (2/3) ... [2020-09-25 02:21:35,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4501f9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:21:35, skipping insertion in model container [2020-09-25 02:21:35,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:21:35" (3/3) ... [2020-09-25 02:21:35,776 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-2.c [2020-09-25 02:21:35,788 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:21:35,799 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:21:35,822 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:21:35,855 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:21:35,855 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:21:35,855 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:21:35,855 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:21:35,856 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:21:35,856 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:21:35,856 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:21:35,856 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:21:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-09-25 02:21:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-25 02:21:35,907 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:21:35,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:21:35,909 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:21:35,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:21:35,918 INFO L82 PathProgramCache]: Analyzing trace with hash 356343399, now seen corresponding path program 1 times [2020-09-25 02:21:35,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:21:35,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033148326] [2020-09-25 02:21:35,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:21:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:36,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:36,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:37,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-25 02:21:38,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:21:38,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2164 [2020-09-25 02:21:38,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:21:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 02:21:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 02:21:38,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 02:21:38,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 02:21:38,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:38,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 02:21:38,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:38,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:38,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:38,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:38,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 02:21:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:21:38,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:38,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:21:38,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:38,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:38,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:38,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 02:21:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:21:38,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:38,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:38,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:38,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:38,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:38,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:38,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 02:21:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:21:38,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:38,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:21:38,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:38,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:38,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:38,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 02:21:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:21:38,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:38,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:21:38,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:38,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:38,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 02:21:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:21:38,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:21:38,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:38,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:38,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:21:38,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:38,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:21:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:38,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:38,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:21:38,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:38,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:38,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:21:38,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:38,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 02:21:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:38,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:38,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:38,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:38,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:21:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:38,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:38,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:38,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:38,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:38,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:38,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:38,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 02:21:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:21:38,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:38,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:21:38,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 02:21:38,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:38,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 02:21:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:38,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:38,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:38,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:38,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:38,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:21:38,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:38,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:38,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:38,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:21:38,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033148326] [2020-09-25 02:21:38,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:21:38,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 02:21:38,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740656060] [2020-09-25 02:21:38,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 02:21:38,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:21:38,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 02:21:38,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 02:21:38,850 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 7 states. [2020-09-25 02:21:41,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:21:41,949 INFO L93 Difference]: Finished difference Result 1032 states and 1419 transitions. [2020-09-25 02:21:41,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 02:21:41,955 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2020-09-25 02:21:41,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:21:41,987 INFO L225 Difference]: With dead ends: 1032 [2020-09-25 02:21:41,988 INFO L226 Difference]: Without dead ends: 774 [2020-09-25 02:21:41,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 02:21:42,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-09-25 02:21:42,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 562. [2020-09-25 02:21:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-09-25 02:21:42,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 711 transitions. [2020-09-25 02:21:42,143 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 711 transitions. Word has length 134 [2020-09-25 02:21:42,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:21:42,144 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 711 transitions. [2020-09-25 02:21:42,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 02:21:42,145 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 711 transitions. [2020-09-25 02:21:42,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 02:21:42,157 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:21:42,159 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 02:21:42,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:21:42,160 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:21:42,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:21:42,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1876371016, now seen corresponding path program 1 times [2020-09-25 02:21:42,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:21:42,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856098107] [2020-09-25 02:21:42,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:21:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:42,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:42,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:42,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:46,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-09-25 02:21:47,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:21:47,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 02:21:47,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:47,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-09-25 02:21:47,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 02:21:47,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 02:21:47,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 02:21:47,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 02:21:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:21:47,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:47,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 02:21:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:21:47,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:47,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:47,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 02:21:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:21:47,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:21:47,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 02:21:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:21:47,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:21:47,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 02:21:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:21:47,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:47,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:21:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:47,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:47,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 02:21:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:47,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:21:47,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:47,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:21:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:47,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:47,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 02:21:47,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 02:21:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:21:47,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:47,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 02:21:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:47,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:47,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:21:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 02:21:47,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 02:21:47,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 02:21:47,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 02:21:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 02:21:47,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:21:47,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:21:47,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:21:47,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:21:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:47,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:21:47,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 02:21:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:47,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:47,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:21:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:47,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:47,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:47,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 02:21:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:47,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:47,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:47,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:47,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:47,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:21:47,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:21:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 02:21:47,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:21:47,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-25 02:21:47,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856098107] [2020-09-25 02:21:47,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:21:47,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 02:21:47,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828618862] [2020-09-25 02:21:47,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:21:47,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:21:47,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:21:47,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:21:47,834 INFO L87 Difference]: Start difference. First operand 562 states and 711 transitions. Second operand 9 states. [2020-09-25 02:21:51,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:21:51,926 INFO L93 Difference]: Finished difference Result 2088 states and 2801 transitions. [2020-09-25 02:21:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 02:21:51,928 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-09-25 02:21:51,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:21:51,949 INFO L225 Difference]: With dead ends: 2088 [2020-09-25 02:21:51,949 INFO L226 Difference]: Without dead ends: 1575 [2020-09-25 02:21:51,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2020-09-25 02:21:51,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2020-09-25 02:21:52,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1143. [2020-09-25 02:21:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2020-09-25 02:21:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1495 transitions. [2020-09-25 02:21:52,139 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1495 transitions. Word has length 213 [2020-09-25 02:21:52,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:21:52,142 INFO L479 AbstractCegarLoop]: Abstraction has 1143 states and 1495 transitions. [2020-09-25 02:21:52,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:21:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1495 transitions. [2020-09-25 02:21:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-09-25 02:21:52,158 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:21:52,160 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 02:21:52,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:21:52,160 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:21:52,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:21:52,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1783560722, now seen corresponding path program 1 times [2020-09-25 02:21:52,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:21:52,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106045802] [2020-09-25 02:21:52,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:21:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:52,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:52,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:52,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:52,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:52,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:52,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:53,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 426 [2020-09-25 02:21:57,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 02:21:57,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-09-25 02:21:57,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:21:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-09-25 02:21:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:57,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:57,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 02:21:57,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 02:21:57,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:57,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 02:21:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:21:57,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:57,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:57,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 02:21:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:21:57,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:21:57,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:57,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 02:21:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:21:57,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:21:57,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:57,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 02:21:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:21:57,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:21:57,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:57,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 02:21:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:21:57,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:57,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:57,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:21:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:57,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:57,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:57,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 02:21:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:57,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:57,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:57,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:21:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:57,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:57,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:57,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 02:21:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:21:57,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:57,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:57,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 02:21:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:21:57,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 02:21:57,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:57,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 02:21:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-25 02:21:57,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:21:57,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-09-25 02:21:57,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:57,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 02:21:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 02:21:57,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:21:57,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 02:21:57,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:57,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 02:21:57,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:21:57,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 02:21:57,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:57,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:21:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:57,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:57,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:57,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 02:21:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:57,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:57,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:57,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 02:21:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:57,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:21:57,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:57,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 02:21:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:57,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:57,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:57,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:57,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:57,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:21:57,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:57,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:57,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-09-25 02:21:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-25 02:21:58,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 02:21:58,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:21:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 02:21:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:58,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 02:21:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 02:21:58,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 02:21:58,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:21:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 02:21:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:58,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 02:21:58,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 02:21:58,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:21:58,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 02:21:58,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:21:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:21:58,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:21:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:21:58,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:21:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:21:58,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 02:21:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:58,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:21:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 02:21:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:21:58,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:21:58,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-25 02:21:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-25 02:21:58,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:21:58,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 02:21:58,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-25 02:21:58,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 02:21:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 02:21:58,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 02:21:58,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:21:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-25 02:21:58,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 02:21:58,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:21:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:21:58,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:21:58,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 02:21:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:21:58,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 02:21:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:21:58,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:21:58,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-25 02:21:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:21:58,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:21:58,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:21:58,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:21:58,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:21:58,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:21:58,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:21:58,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:21:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:21:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:21:58,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:21:58,601 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2020-09-25 02:21:58,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106045802] [2020-09-25 02:21:58,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 02:21:58,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 02:21:58,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804800672] [2020-09-25 02:21:58,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 02:21:58,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:21:58,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 02:21:58,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-25 02:21:58,605 INFO L87 Difference]: Start difference. First operand 1143 states and 1495 transitions. Second operand 12 states. [2020-09-25 02:22:01,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:22:01,746 INFO L93 Difference]: Finished difference Result 2794 states and 3791 transitions. [2020-09-25 02:22:01,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 02:22:01,747 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 351 [2020-09-25 02:22:01,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:22:01,760 INFO L225 Difference]: With dead ends: 2794 [2020-09-25 02:22:01,761 INFO L226 Difference]: Without dead ends: 1334 [2020-09-25 02:22:01,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=224, Invalid=532, Unknown=0, NotChecked=0, Total=756 [2020-09-25 02:22:01,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2020-09-25 02:22:01,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 924. [2020-09-25 02:22:01,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-09-25 02:22:01,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1166 transitions. [2020-09-25 02:22:01,851 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1166 transitions. Word has length 351 [2020-09-25 02:22:01,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:22:01,852 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 1166 transitions. [2020-09-25 02:22:01,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 02:22:01,852 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1166 transitions. [2020-09-25 02:22:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-25 02:22:01,862 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:22:01,863 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 02:22:01,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 02:22:01,863 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:22:01,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:22:01,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1759472638, now seen corresponding path program 1 times [2020-09-25 02:22:01,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:22:01,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411864590] [2020-09-25 02:22:01,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:22:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:01,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:02,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:02,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:03,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:04,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:04,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:06,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:06,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-09-25 02:22:06,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 02:22:06,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 02:22:06,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:06,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:22:06,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 02:22:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 02:22:06,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 02:22:07,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 02:22:07,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 02:22:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:22:07,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:07,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 02:22:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:22:07,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:07,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 02:22:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:22:07,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:22:07,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 02:22:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:22:07,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:22:07,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 02:22:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:22:07,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:22:07,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:22:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:07,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 02:22:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:07,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:22:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:07,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 02:22:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:22:07,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:07,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 02:22:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:07,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:22:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 02:22:07,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 02:22:07,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:07,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 02:22:07,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 02:22:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 02:22:07,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:22:07,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:07,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 02:22:07,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:22:07,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:22:07,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 02:22:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:22:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:22:07,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 02:22:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:07,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:22:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:22:07,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:22:07,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 02:22:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-25 02:22:07,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:22:07,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-25 02:22:07,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:07,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 02:22:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 02:22:07,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 02:22:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 02:22:07,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 02:22:07,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-25 02:22:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 02:22:07,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-25 02:22:07,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 02:22:07,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:07,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 02:22:07,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:22:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:22:07,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:07,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:07,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 02:22:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:07,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 02:22:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:07,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:07,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:07,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:22:07,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-25 02:22:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:07,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:07,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:07,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:07,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:07,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:22:07,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:07,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:22:07,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:07,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-09-25 02:22:07,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411864590] [2020-09-25 02:22:07,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:22:07,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:22:07,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318739786] [2020-09-25 02:22:07,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:22:07,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:22:07,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:22:07,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:22:07,924 INFO L87 Difference]: Start difference. First operand 924 states and 1166 transitions. Second operand 10 states. [2020-09-25 02:22:12,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:22:12,153 INFO L93 Difference]: Finished difference Result 3431 states and 4638 transitions. [2020-09-25 02:22:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 02:22:12,153 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 274 [2020-09-25 02:22:12,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:22:12,170 INFO L225 Difference]: With dead ends: 3431 [2020-09-25 02:22:12,170 INFO L226 Difference]: Without dead ends: 2554 [2020-09-25 02:22:12,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2020-09-25 02:22:12,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2554 states. [2020-09-25 02:22:12,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2554 to 1811. [2020-09-25 02:22:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2020-09-25 02:22:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2279 transitions. [2020-09-25 02:22:12,299 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2279 transitions. Word has length 274 [2020-09-25 02:22:12,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:22:12,300 INFO L479 AbstractCegarLoop]: Abstraction has 1811 states and 2279 transitions. [2020-09-25 02:22:12,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 02:22:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2279 transitions. [2020-09-25 02:22:12,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-25 02:22:12,307 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:22:12,307 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 02:22:12,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 02:22:12,308 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:22:12,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:22:12,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1933431879, now seen corresponding path program 1 times [2020-09-25 02:22:12,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:22:12,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528005748] [2020-09-25 02:22:12,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:22:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:12,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:12,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:12,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:12,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:13,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:13,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:15,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-09-25 02:22:17,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 02:22:17,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 02:22:17,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 237 [2020-09-25 02:22:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 02:22:17,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 02:22:17,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:22:17,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 02:22:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:22:17,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:17,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 02:22:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:22:17,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:17,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 02:22:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:22:17,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:17,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 02:22:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:22:17,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:22:17,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 02:22:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:22:17,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:17,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:22:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:17,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:17,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:17,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 02:22:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:17,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:17,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:22:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:17,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:17,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 02:22:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:22:17,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:17,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:17,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 02:22:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:17,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:17,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:17,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:22:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 02:22:17,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 02:22:17,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:17,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 02:22:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 02:22:17,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:22:17,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:22:17,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:17,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:17,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:22:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:17,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:17,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:17,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 02:22:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:17,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:17,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:22:17,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 02:22:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:17,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:22:17,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 02:22:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-25 02:22:17,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 02:22:17,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 02:22:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 02:22:17,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 02:22:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 02:22:17,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 02:22:17,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:17,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 02:22:17,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 02:22:17,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:22:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-25 02:22:17,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 02:22:17,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 02:22:17,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:22:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 02:22:17,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:22:17,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 02:22:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:17,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 02:22:17,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:17,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:22:17,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 02:22:17,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 02:22:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:17,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:22:17,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:22:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:22:17,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:22:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-25 02:22:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:22:17,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:22:17,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:22:17,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:22:17,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:22:17,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:22:17,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:22:17,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:22:17,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:22:17,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:22:17,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:22:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-09-25 02:22:17,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528005748] [2020-09-25 02:22:17,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:22:17,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 02:22:17,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850240765] [2020-09-25 02:22:17,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 02:22:17,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:22:17,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 02:22:17,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 02:22:17,990 INFO L87 Difference]: Start difference. First operand 1811 states and 2279 transitions. Second operand 10 states. [2020-09-25 02:22:22,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:22:22,168 INFO L93 Difference]: Finished difference Result 6312 states and 8446 transitions. [2020-09-25 02:22:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 02:22:22,169 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 274 [2020-09-25 02:22:22,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:22:22,195 INFO L225 Difference]: With dead ends: 6312 [2020-09-25 02:22:22,195 INFO L226 Difference]: Without dead ends: 4548 [2020-09-25 02:22:22,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2020-09-25 02:22:22,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4548 states.