/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.10.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 15:48:09,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 15:48:09,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 15:48:09,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 15:48:09,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 15:48:09,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 15:48:09,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 15:48:09,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 15:48:09,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 15:48:09,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 15:48:09,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 15:48:09,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 15:48:09,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 15:48:09,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 15:48:09,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 15:48:09,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 15:48:09,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 15:48:09,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 15:48:09,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 15:48:09,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 15:48:09,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 15:48:09,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 15:48:09,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 15:48:09,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 15:48:09,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 15:48:09,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 15:48:09,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 15:48:09,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 15:48:09,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 15:48:09,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 15:48:09,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 15:48:09,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 15:48:09,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 15:48:09,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 15:48:09,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 15:48:09,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 15:48:09,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 15:48:09,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 15:48:09,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 15:48:09,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 15:48:09,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 15:48:09,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 15:48:09,988 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 15:48:09,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 15:48:09,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 15:48:09,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 15:48:09,990 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 15:48:09,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 15:48:09,991 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 15:48:09,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 15:48:09,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 15:48:09,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 15:48:09,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 15:48:09,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 15:48:09,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 15:48:09,993 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 15:48:09,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 15:48:09,994 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 15:48:09,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 15:48:09,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 15:48:09,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 15:48:09,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 15:48:09,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 15:48:09,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:48:09,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 15:48:09,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 15:48:09,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 15:48:09,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 15:48:09,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 15:48:09,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 15:48:09,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 15:48:09,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 15:48:10,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 15:48:10,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 15:48:10,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 15:48:10,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 15:48:10,313 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 15:48:10,313 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.10.cil-1.c [2020-10-13 15:48:10,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b541081a6/48554509952d434983ec4cb5aa1cdf25/FLAG13998ab3a [2020-10-13 15:48:10,857 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 15:48:10,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.10.cil-1.c [2020-10-13 15:48:10,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b541081a6/48554509952d434983ec4cb5aa1cdf25/FLAG13998ab3a [2020-10-13 15:48:11,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b541081a6/48554509952d434983ec4cb5aa1cdf25 [2020-10-13 15:48:11,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 15:48:11,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 15:48:11,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 15:48:11,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 15:48:11,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 15:48:11,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:48:11" (1/1) ... [2020-10-13 15:48:11,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d228d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:11, skipping insertion in model container [2020-10-13 15:48:11,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:48:11" (1/1) ... [2020-10-13 15:48:11,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 15:48:11,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 15:48:11,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:48:11,739 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 15:48:11,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 15:48:11,852 INFO L208 MainTranslator]: Completed translation [2020-10-13 15:48:11,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:11 WrapperNode [2020-10-13 15:48:11,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 15:48:11,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 15:48:11,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 15:48:11,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 15:48:11,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:11" (1/1) ... [2020-10-13 15:48:11,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:11" (1/1) ... [2020-10-13 15:48:11,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:11" (1/1) ... [2020-10-13 15:48:11,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:11" (1/1) ... [2020-10-13 15:48:11,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:11" (1/1) ... [2020-10-13 15:48:11,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:11" (1/1) ... [2020-10-13 15:48:11,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:11" (1/1) ... [2020-10-13 15:48:11,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 15:48:11,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 15:48:11,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 15:48:11,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 15:48:11,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 15:48:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 15:48:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 15:48:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-13 15:48:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-13 15:48:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-13 15:48:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-13 15:48:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-13 15:48:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-13 15:48:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-13 15:48:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-13 15:48:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-13 15:48:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-13 15:48:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-13 15:48:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-13 15:48:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-13 15:48:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-13 15:48:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-13 15:48:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-13 15:48:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-13 15:48:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-13 15:48:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-13 15:48:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-13 15:48:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-13 15:48:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-13 15:48:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-13 15:48:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-13 15:48:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-13 15:48:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-13 15:48:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-13 15:48:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-13 15:48:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-13 15:48:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-13 15:48:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-13 15:48:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-13 15:48:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-13 15:48:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-13 15:48:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-13 15:48:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-13 15:48:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 15:48:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 15:48:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-13 15:48:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-13 15:48:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-13 15:48:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-13 15:48:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-13 15:48:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-13 15:48:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-13 15:48:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-13 15:48:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-13 15:48:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-13 15:48:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-13 15:48:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-13 15:48:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-13 15:48:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 15:48:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-13 15:48:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-13 15:48:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-13 15:48:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-13 15:48:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-13 15:48:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-13 15:48:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-13 15:48:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-13 15:48:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-13 15:48:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-13 15:48:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-13 15:48:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-13 15:48:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-13 15:48:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-13 15:48:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-13 15:48:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-13 15:48:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-13 15:48:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-13 15:48:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-13 15:48:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-13 15:48:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-13 15:48:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-13 15:48:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-13 15:48:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 15:48:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 15:48:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 15:48:13,182 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 15:48:13,182 INFO L295 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-13 15:48:13,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:48:13 BoogieIcfgContainer [2020-10-13 15:48:13,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 15:48:13,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 15:48:13,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 15:48:13,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 15:48:13,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:48:11" (1/3) ... [2020-10-13 15:48:13,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c311443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:48:13, skipping insertion in model container [2020-10-13 15:48:13,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:48:11" (2/3) ... [2020-10-13 15:48:13,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c311443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:48:13, skipping insertion in model container [2020-10-13 15:48:13,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:48:13" (3/3) ... [2020-10-13 15:48:13,199 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.10.cil-1.c [2020-10-13 15:48:13,209 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 15:48:13,218 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 15:48:13,232 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 15:48:13,260 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 15:48:13,260 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 15:48:13,260 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 15:48:13,260 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 15:48:13,261 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 15:48:13,261 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 15:48:13,261 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 15:48:13,261 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 15:48:13,289 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states. [2020-10-13 15:48:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:48:13,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:13,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:13,312 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:13,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:13,318 INFO L82 PathProgramCache]: Analyzing trace with hash -658751810, now seen corresponding path program 1 times [2020-10-13 15:48:13,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:13,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067860896] [2020-10-13 15:48:13,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:13,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:13,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:14,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:14,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:14,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:15,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:18,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:18,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:48:18,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 15:48:18,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 15:48:18,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-13 15:48:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:18,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 15:48:19,042 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:48:19,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:19,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:19,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:19,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:19,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:19,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:48:19,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:19,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:19,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:19,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:19,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:19,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:19,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:19,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:19,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:19,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:19,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:19,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:19,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:19,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:19,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:19,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:19,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:19,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:19,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:19,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:19,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:19,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:19,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:19,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:48:19,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:48:19,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:19,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:19,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:48:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:19,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:19,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:19,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:48:19,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:19,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:48:19,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:19,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:19,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:48:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:19,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:19,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:19,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:19,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:48:24,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:48:24,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 15:48:24,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:24,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 15:48:24,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:24,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:24,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:24,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:24,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:24,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:24,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:48:24,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:24,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:24,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:24,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:24,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:24,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:24,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:24,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:24,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:24,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:24,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:24,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:24,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:24,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:24,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:24,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:24,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:24,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:24,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:24,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:24,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:24,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:24,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:24,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 15:48:24,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:24,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:24,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:24,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:24,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:48:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:24,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:24,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:24,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:24,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:48:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:24,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:24,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:24,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:24,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:48:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:48:24,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:24,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:48:24,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:24,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:48:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:24,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:24,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:24,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:24,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:24,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:24,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:24,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:24,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:48:24,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067860896] [2020-10-13 15:48:24,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:24,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:24,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157578902] [2020-10-13 15:48:24,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:24,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:24,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:24,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:24,765 INFO L87 Difference]: Start difference. First operand 421 states. Second operand 10 states. [2020-10-13 15:48:26,294 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-13 15:48:26,559 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-13 15:48:26,780 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 15:48:27,099 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 15:48:33,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:33,241 INFO L93 Difference]: Finished difference Result 1111 states and 1835 transitions. [2020-10-13 15:48:33,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:48:33,244 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-13 15:48:33,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:33,269 INFO L225 Difference]: With dead ends: 1111 [2020-10-13 15:48:33,269 INFO L226 Difference]: Without dead ends: 707 [2020-10-13 15:48:33,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:48:33,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-10-13 15:48:33,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 417. [2020-10-13 15:48:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-10-13 15:48:33,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 608 transitions. [2020-10-13 15:48:33,432 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 608 transitions. Word has length 204 [2020-10-13 15:48:33,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:33,433 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 608 transitions. [2020-10-13 15:48:33,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:48:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 608 transitions. [2020-10-13 15:48:33,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:48:33,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:33,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:33,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 15:48:33,441 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:33,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:33,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1203624384, now seen corresponding path program 1 times [2020-10-13 15:48:33,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:33,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457150401] [2020-10-13 15:48:33,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:33,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:33,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:33,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:33,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:33,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:36,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:37,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:37,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:37,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:37,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:37,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:37,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:37,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:48:38,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-13 15:48:38,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-13 15:48:38,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-13 15:48:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:38,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,720 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:48:38,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:38,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:48:38,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:38,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:38,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:38,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:38,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:38,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:38,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:48:38,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:38,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:48:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:38,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:48:38,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:48:38,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:38,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:38,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:48:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:38,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:38,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:39,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:48:43,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 15:48:43,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4918 [2020-10-13 15:48:43,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:43,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-13 15:48:43,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:43,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:43,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:43,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:43,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:43,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:43,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:43,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:43,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:43,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:43,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:43,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:43,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:43,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:43,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:43,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:43,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:43,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:43,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:43,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:43,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:43,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:43,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:43,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:43,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:43,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:43,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:43,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:43,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:43,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:43,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:43,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:43,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:43,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:43,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:43,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:43,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:43,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:43,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:43,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:43,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:43,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:43,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:43,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:43,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:43,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:43,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:43,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:43,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:43,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:43,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:43,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:43,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:43,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:43,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:43,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:43,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:43,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:43,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:48:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:43,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:43,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:43,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:43,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:43,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:43,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:43,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:43,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:48:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:43,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:43,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:43,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:43,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:43,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:43,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:43,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:44,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:48:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:44,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:44,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:44,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:48:44,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:44,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:44,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:44,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:44,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:48:44,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:44,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:44,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:48:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:44,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:44,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:44,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:44,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:44,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:44,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:44,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:44,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:48:44,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457150401] [2020-10-13 15:48:44,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:44,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:44,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998753859] [2020-10-13 15:48:44,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:44,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:44,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:44,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:44,138 INFO L87 Difference]: Start difference. First operand 417 states and 608 transitions. Second operand 10 states. [2020-10-13 15:48:46,413 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-13 15:48:46,681 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-13 15:48:46,895 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 15:48:47,222 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 15:48:51,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:48:51,909 INFO L93 Difference]: Finished difference Result 1075 states and 1678 transitions. [2020-10-13 15:48:51,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:48:51,910 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-13 15:48:51,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:48:51,919 INFO L225 Difference]: With dead ends: 1075 [2020-10-13 15:48:51,920 INFO L226 Difference]: Without dead ends: 687 [2020-10-13 15:48:51,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:48:51,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2020-10-13 15:48:52,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 422. [2020-10-13 15:48:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-10-13 15:48:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 613 transitions. [2020-10-13 15:48:52,016 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 613 transitions. Word has length 204 [2020-10-13 15:48:52,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:48:52,017 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 613 transitions. [2020-10-13 15:48:52,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:48:52,018 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 613 transitions. [2020-10-13 15:48:52,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:48:52,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:48:52,022 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:48:52,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 15:48:52,022 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:48:52,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:48:52,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1684704642, now seen corresponding path program 1 times [2020-10-13 15:48:52,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:48:52,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500639383] [2020-10-13 15:48:52,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:48:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:52,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:52,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:55,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:56,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:57,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:57,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:57,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:57,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:48:57,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-13 15:48:57,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 15:48:57,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-13 15:48:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:57,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:57,361 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:48:57,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:48:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:57,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:57,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:57,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:57,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:57,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 15:48:57,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:57,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:57,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:57,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:57,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:48:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:57,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:57,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:57,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:48:57,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:57,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:57,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:57,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:57,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:57,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:57,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:57,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:48:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:57,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:57,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:57,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:48:57,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:57,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:48:57,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:57,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:57,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:57,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:57,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:48:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:57,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:57,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:57,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:48:57,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:57,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:48:57,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:57,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:57,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:48:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:57,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:57,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:57,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:48:57,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:57,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:48:57,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:57,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:57,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:57,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:48:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:57,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:57,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:57,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:48:58,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 15:48:58,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1021 [2020-10-13 15:48:58,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:48:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-13 15:48:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:48:58,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:48:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:58,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:48:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:58,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:48:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:58,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:48:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:58,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:48:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:48:58,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:48:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:58,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:48:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:48:58,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:48:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:58,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:48:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:48:58,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:48:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:48:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:48:58,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:48:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:58,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:58,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:48:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:48:58,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:48:58,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:48:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:48:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:48:58,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 15:48:58,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:48:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:48:58,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:48:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:48:58,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:48:58,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:48:58,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:48:58,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:48:58,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:48:58,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:48:58,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:48:58,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:48:58,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:48:58,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:48:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:48:58,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500639383] [2020-10-13 15:48:58,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:48:58,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:48:58,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893752697] [2020-10-13 15:48:58,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:48:58,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:48:58,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:48:58,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:48:58,956 INFO L87 Difference]: Start difference. First operand 422 states and 613 transitions. Second operand 10 states. [2020-10-13 15:49:00,949 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-13 15:49:01,163 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-13 15:49:01,375 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-13 15:49:01,697 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-13 15:49:06,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:06,581 INFO L93 Difference]: Finished difference Result 1095 states and 1704 transitions. [2020-10-13 15:49:06,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:49:06,582 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-13 15:49:06,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:06,589 INFO L225 Difference]: With dead ends: 1095 [2020-10-13 15:49:06,589 INFO L226 Difference]: Without dead ends: 702 [2020-10-13 15:49:06,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:49:06,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-10-13 15:49:06,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 427. [2020-10-13 15:49:06,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-10-13 15:49:06,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 618 transitions. [2020-10-13 15:49:06,659 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 618 transitions. Word has length 204 [2020-10-13 15:49:06,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:06,660 INFO L479 AbstractCegarLoop]: Abstraction has 427 states and 618 transitions. [2020-10-13 15:49:06,660 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:06,660 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 618 transitions. [2020-10-13 15:49:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:49:06,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:06,663 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:06,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 15:49:06,664 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:06,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:06,664 INFO L82 PathProgramCache]: Analyzing trace with hash -730764484, now seen corresponding path program 1 times [2020-10-13 15:49:06,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:06,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921659579] [2020-10-13 15:49:06,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:06,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:06,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:06,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:06,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:07,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:07,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:07,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:07,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:07,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:07,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:08,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:09,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:10,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:49:11,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-13 15:49:11,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 15:49:11,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-13 15:49:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:11,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,910 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:49:11,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:11,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:11,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:11,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:11,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:11,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:11,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:11,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:11,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:11,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:11,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:11,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:11,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:49:12,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:12,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:12,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:49:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:49:12,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:49:12,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:12,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:49:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:49:12,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 15:49:12,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-13 15:49:12,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:12,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 15:49:12,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:12,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:12,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:12,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:12,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:12,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:12,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:12,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:12,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:49:12,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:12,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:49:12,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:12,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:12,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:12,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:12,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:12,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:12,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:12,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:12,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:12,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:12,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:12,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:12,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:12,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:12,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:12,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:12,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:12,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:12,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:12,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:12,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:49:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:49:12,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:49:12,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:49:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:49:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:12,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:12,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:12,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:12,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:12,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:12,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:12,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:12,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:12,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:12,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:12,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921659579] [2020-10-13 15:49:12,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:12,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:49:12,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882789099] [2020-10-13 15:49:12,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:49:12,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:12,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:49:12,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:49:12,483 INFO L87 Difference]: Start difference. First operand 427 states and 618 transitions. Second operand 10 states. [2020-10-13 15:49:13,892 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 15:49:14,131 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-13 15:49:14,341 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 15:49:14,672 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-13 15:49:20,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:20,163 INFO L93 Difference]: Finished difference Result 1127 states and 1750 transitions. [2020-10-13 15:49:20,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:49:20,164 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-13 15:49:20,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:20,172 INFO L225 Difference]: With dead ends: 1127 [2020-10-13 15:49:20,172 INFO L226 Difference]: Without dead ends: 729 [2020-10-13 15:49:20,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:49:20,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2020-10-13 15:49:20,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 432. [2020-10-13 15:49:20,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-10-13 15:49:20,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 623 transitions. [2020-10-13 15:49:20,258 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 623 transitions. Word has length 204 [2020-10-13 15:49:20,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:20,259 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 623 transitions. [2020-10-13 15:49:20,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:20,259 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 623 transitions. [2020-10-13 15:49:20,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:49:20,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:20,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:20,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 15:49:20,262 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:20,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:20,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1513793914, now seen corresponding path program 1 times [2020-10-13 15:49:20,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:20,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595902552] [2020-10-13 15:49:20,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:20,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:20,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:21,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:22,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:49:25,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-13 15:49:25,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 15:49:25,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:25,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-10-13 15:49:25,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:25,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,483 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:49:25,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:25,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:49:25,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:25,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:25,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:25,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:25,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:49:25,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:25,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:49:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:49:25,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:25,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:49:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:49:25,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 15:49:25,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 15:49:25,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 15:49:25,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 15:49:25,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:25,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:25,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:25,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:25,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:25,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:25,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:25,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:25,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:25,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:25,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:25,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:25,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:25,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:25,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 15:49:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:25,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:25,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:25,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:25,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:25,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:25,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:25,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:25,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:25,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:25,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:25,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:25,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:25,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 15:49:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:49:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:49:25,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:49:25,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:49:25,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:49:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:25,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:25,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:25,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:25,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:25,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:25,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:25,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:25,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:25,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:25,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:25,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:25,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [595902552] [2020-10-13 15:49:25,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:25,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 15:49:25,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534720588] [2020-10-13 15:49:25,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 15:49:25,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:25,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 15:49:25,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 15:49:25,858 INFO L87 Difference]: Start difference. First operand 432 states and 623 transitions. Second operand 10 states. [2020-10-13 15:49:27,519 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-13 15:49:27,743 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-13 15:49:28,078 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-13 15:49:28,393 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 15:49:33,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:33,701 INFO L93 Difference]: Finished difference Result 1130 states and 1748 transitions. [2020-10-13 15:49:33,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 15:49:33,702 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-13 15:49:33,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:33,707 INFO L225 Difference]: With dead ends: 1130 [2020-10-13 15:49:33,707 INFO L226 Difference]: Without dead ends: 727 [2020-10-13 15:49:33,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 15:49:33,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2020-10-13 15:49:33,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 437. [2020-10-13 15:49:33,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-10-13 15:49:33,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 628 transitions. [2020-10-13 15:49:33,783 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 628 transitions. Word has length 204 [2020-10-13 15:49:33,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:33,783 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 628 transitions. [2020-10-13 15:49:33,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 15:49:33,784 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 628 transitions. [2020-10-13 15:49:33,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:49:33,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:33,787 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:33,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 15:49:33,787 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:33,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:33,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1429788164, now seen corresponding path program 1 times [2020-10-13 15:49:33,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:33,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959592116] [2020-10-13 15:49:33,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:33,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:33,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:33,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:34,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:35,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:36,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:38,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:38,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:49:38,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:49:38,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 15:49:38,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 15:49:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 15:49:38,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,017 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:49:39,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:39,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:49:39,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:39,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:39,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:39,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:49:39,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:39,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:39,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:39,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:49:39,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:49:39,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:39,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:39,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:49:39,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 15:49:39,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:49:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:49:39,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:49:39,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:49:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:49:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:49:39,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 15:49:39,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:49:39,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:39,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:39,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:39,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:49:39,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:39,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:39,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:39,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:39,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:39,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:49:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:49:39,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:49:39,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:49:39,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:49:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:39,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:39,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:39,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:39,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:39,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:39,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:39,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:39,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959592116] [2020-10-13 15:49:39,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:39,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:49:39,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621371976] [2020-10-13 15:49:39,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:49:39,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:39,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:49:39,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:49:39,373 INFO L87 Difference]: Start difference. First operand 437 states and 628 transitions. Second operand 8 states. [2020-10-13 15:49:39,572 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 15:49:39,858 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-13 15:49:46,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:49:46,410 INFO L93 Difference]: Finished difference Result 1125 states and 1692 transitions. [2020-10-13 15:49:46,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 15:49:46,411 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2020-10-13 15:49:46,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:49:46,419 INFO L225 Difference]: With dead ends: 1125 [2020-10-13 15:49:46,419 INFO L226 Difference]: Without dead ends: 706 [2020-10-13 15:49:46,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:49:46,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-10-13 15:49:46,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 437. [2020-10-13 15:49:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-10-13 15:49:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 627 transitions. [2020-10-13 15:49:46,558 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 627 transitions. Word has length 204 [2020-10-13 15:49:46,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:49:46,559 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 627 transitions. [2020-10-13 15:49:46,559 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:49:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 627 transitions. [2020-10-13 15:49:46,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:49:46,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:49:46,564 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:49:46,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 15:49:46,565 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:49:46,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:49:46,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1421789190, now seen corresponding path program 1 times [2020-10-13 15:49:46,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:49:46,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988984770] [2020-10-13 15:49:46,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:49:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:46,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:46,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:47,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:47,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:47,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:47,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:48,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:49,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:49:51,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-13 15:49:51,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-13 15:49:51,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:49:51,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:49:51,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 15:49:51,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,861 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:49:51,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:49:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:51,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:49:51,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:51,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:49:51,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:49:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:49:51,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:49:51,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:51,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:49:51,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:49:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:49:51,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:51,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:49:51,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:51,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:49:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:51,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:51,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:51,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:49:51,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:49:51,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:49:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:49:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:49:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:49:52,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:49:52,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:49:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:49:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:49:52,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:49:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:49:52,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:49:52,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:49:52,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:49:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:49:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:52,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:49:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:52,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:49:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:52,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:49:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:52,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:49:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:52,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:49:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:49:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:52,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:49:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:52,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:49:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:49:52,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:49:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:49:52,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:52,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:49:52,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:49:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:49:52,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:49:52,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:49:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:49:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:49:52,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:49:52,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:49:52,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:49:52,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:49:52,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:49:52,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:49:52,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:49:52,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:49:52,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:49:52,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:49:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:49:52,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988984770] [2020-10-13 15:49:52,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:49:52,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 15:49:52,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146507322] [2020-10-13 15:49:52,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 15:49:52,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:49:52,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 15:49:52,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 15:49:52,165 INFO L87 Difference]: Start difference. First operand 437 states and 627 transitions. Second operand 8 states. [2020-10-13 15:49:52,379 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-13 15:50:01,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:01,739 INFO L93 Difference]: Finished difference Result 1786 states and 2710 transitions. [2020-10-13 15:50:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 15:50:01,740 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2020-10-13 15:50:01,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:01,750 INFO L225 Difference]: With dead ends: 1786 [2020-10-13 15:50:01,750 INFO L226 Difference]: Without dead ends: 1377 [2020-10-13 15:50:01,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-10-13 15:50:01,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2020-10-13 15:50:01,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 856. [2020-10-13 15:50:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-13 15:50:01,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1240 transitions. [2020-10-13 15:50:01,872 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1240 transitions. Word has length 204 [2020-10-13 15:50:01,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:01,872 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1240 transitions. [2020-10-13 15:50:01,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 15:50:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1240 transitions. [2020-10-13 15:50:01,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:50:01,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:01,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:01,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 15:50:01,875 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:01,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:01,875 INFO L82 PathProgramCache]: Analyzing trace with hash -324170122, now seen corresponding path program 1 times [2020-10-13 15:50:01,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:01,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631764082] [2020-10-13 15:50:01,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:01,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:01,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:01,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:02,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:03,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:05,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:06,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:06,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:50:06,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 15:50:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 15:50:06,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:06,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:06,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:06,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 15:50:06,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,105 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:50:07,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:07,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:50:07,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:07,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:07,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:07,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:07,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:07,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:07,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:07,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:50:07,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:50:07,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:50:07,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:50:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:50:07,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 15:50:07,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:50:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:50:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:50:07,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:50:07,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:50:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:07,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:07,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:07,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:07,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:07,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:07,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:07,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:07,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:07,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:07,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:07,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:07,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:50:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:50:07,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:50:07,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:50:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:50:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:07,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:07,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:07,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:07,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:07,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:07,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:07,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:07,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:07,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631764082] [2020-10-13 15:50:07,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:07,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:50:07,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890003050] [2020-10-13 15:50:07,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:50:07,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:07,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:50:07,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:50:07,423 INFO L87 Difference]: Start difference. First operand 856 states and 1240 transitions. Second operand 9 states. [2020-10-13 15:50:07,620 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-13 15:50:13,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:13,214 INFO L93 Difference]: Finished difference Result 2173 states and 3270 transitions. [2020-10-13 15:50:13,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:50:13,214 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-13 15:50:13,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:13,222 INFO L225 Difference]: With dead ends: 2173 [2020-10-13 15:50:13,222 INFO L226 Difference]: Without dead ends: 1345 [2020-10-13 15:50:13,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:50:13,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-10-13 15:50:13,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 856. [2020-10-13 15:50:13,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-13 15:50:13,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1233 transitions. [2020-10-13 15:50:13,400 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1233 transitions. Word has length 204 [2020-10-13 15:50:13,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:13,400 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1233 transitions. [2020-10-13 15:50:13,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:50:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1233 transitions. [2020-10-13 15:50:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:50:13,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:13,404 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:13,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 15:50:13,404 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:13,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:13,405 INFO L82 PathProgramCache]: Analyzing trace with hash 203223928, now seen corresponding path program 1 times [2020-10-13 15:50:13,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:13,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274350663] [2020-10-13 15:50:13,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:13,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:13,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:14,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:16,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:50:18,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-13 15:50:18,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 15:50:18,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 15:50:18,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,632 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:50:18,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:18,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:50:18,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:18,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:18,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:18,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:18,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:18,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:18,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:18,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:50:18,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:18,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:50:18,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:50:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:50:18,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:50:18,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:18,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:18,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:50:18,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:50:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:50:18,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:50:18,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:50:18,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:18,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:18,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:18,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:18,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:18,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:18,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:18,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:18,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:18,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:18,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:50:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:50:18,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:18,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:50:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:50:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:18,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:18,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:18,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:18,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:18,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:18,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:18,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274350663] [2020-10-13 15:50:18,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:18,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:50:18,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469335563] [2020-10-13 15:50:18,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:50:18,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:18,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:50:18,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:50:18,963 INFO L87 Difference]: Start difference. First operand 856 states and 1233 transitions. Second operand 9 states. [2020-10-13 15:50:19,163 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-13 15:50:24,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:24,722 INFO L93 Difference]: Finished difference Result 2169 states and 3247 transitions. [2020-10-13 15:50:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:50:24,723 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-13 15:50:24,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:24,728 INFO L225 Difference]: With dead ends: 2169 [2020-10-13 15:50:24,729 INFO L226 Difference]: Without dead ends: 1341 [2020-10-13 15:50:24,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:50:24,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2020-10-13 15:50:24,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 856. [2020-10-13 15:50:24,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-13 15:50:24,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1226 transitions. [2020-10-13 15:50:24,922 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1226 transitions. Word has length 204 [2020-10-13 15:50:24,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:24,922 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1226 transitions. [2020-10-13 15:50:24,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:50:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1226 transitions. [2020-10-13 15:50:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:50:24,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:24,924 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:24,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 15:50:24,924 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:24,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:24,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1080342772, now seen corresponding path program 1 times [2020-10-13 15:50:24,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:24,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064189227] [2020-10-13 15:50:24,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:24,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:25,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:26,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:28,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:29,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:29,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:50:29,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-13 15:50:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 15:50:29,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 15:50:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,160 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:50:30,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:30,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:50:30,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:30,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:30,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:30,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:30,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:30,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:30,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:50:30,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:50:30,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:50:30,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:50:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:50:30,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:50:30,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:30,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:50:30,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:50:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:50:30,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:50:30,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:50:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:30,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:50:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:50:30,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:50:30,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:50:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:50:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:30,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:30,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:30,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:30,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:30,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:30,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:30,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:30,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:30,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:30,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064189227] [2020-10-13 15:50:30,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:30,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:50:30,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643999542] [2020-10-13 15:50:30,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:50:30,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:30,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:50:30,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:50:30,496 INFO L87 Difference]: Start difference. First operand 856 states and 1226 transitions. Second operand 9 states. [2020-10-13 15:50:30,695 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-13 15:50:35,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:35,505 INFO L93 Difference]: Finished difference Result 2165 states and 3224 transitions. [2020-10-13 15:50:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:50:35,506 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-13 15:50:35,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:35,513 INFO L225 Difference]: With dead ends: 2165 [2020-10-13 15:50:35,513 INFO L226 Difference]: Without dead ends: 1337 [2020-10-13 15:50:35,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:50:35,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2020-10-13 15:50:35,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 856. [2020-10-13 15:50:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-13 15:50:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1219 transitions. [2020-10-13 15:50:35,654 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1219 transitions. Word has length 204 [2020-10-13 15:50:35,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:35,654 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1219 transitions. [2020-10-13 15:50:35,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:50:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1219 transitions. [2020-10-13 15:50:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:50:35,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:35,656 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:35,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 15:50:35,657 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:35,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:35,657 INFO L82 PathProgramCache]: Analyzing trace with hash 831542264, now seen corresponding path program 1 times [2020-10-13 15:50:35,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:35,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993493858] [2020-10-13 15:50:35,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:35,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:35,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:35,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:35,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:35,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:35,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:36,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:38,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:40,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:50:40,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-13 15:50:40,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 15:50:40,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:40,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:40,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:40,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-13 15:50:40,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:40,889 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:50:40,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:40,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:40,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:40,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:40,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:50:40,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:40,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:40,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:40,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:40,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:40,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:40,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:50:40,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:40,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:40,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:40,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:40,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:40,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:40,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:40,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:40,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:40,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:40,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:40,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:40,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:50:40,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:40,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:50:40,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:50:40,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:50:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:50:41,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:50:41,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:50:41,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:50:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:50:41,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:50:41,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:50:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:41,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:41,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:41,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:41,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:41,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:41,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:41,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:41,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:41,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:41,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:41,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:41,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:41,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:41,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:41,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:41,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:41,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:41,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:41,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:41,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:41,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:41,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:41,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:41,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:41,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:41,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:41,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:41,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:50:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:50:41,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:50:41,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:50:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:50:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:41,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:41,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:41,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:41,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:41,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:41,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:41,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:41,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:41,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993493858] [2020-10-13 15:50:41,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:41,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:50:41,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137507732] [2020-10-13 15:50:41,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:50:41,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:41,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:50:41,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:50:41,188 INFO L87 Difference]: Start difference. First operand 856 states and 1219 transitions. Second operand 9 states. [2020-10-13 15:50:41,387 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-13 15:50:46,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:46,926 INFO L93 Difference]: Finished difference Result 2161 states and 3201 transitions. [2020-10-13 15:50:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:50:46,926 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-13 15:50:46,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:46,931 INFO L225 Difference]: With dead ends: 2161 [2020-10-13 15:50:46,932 INFO L226 Difference]: Without dead ends: 1333 [2020-10-13 15:50:46,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:50:46,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2020-10-13 15:50:47,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 856. [2020-10-13 15:50:47,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-13 15:50:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1212 transitions. [2020-10-13 15:50:47,130 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1212 transitions. Word has length 204 [2020-10-13 15:50:47,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:47,131 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1212 transitions. [2020-10-13 15:50:47,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:50:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1212 transitions. [2020-10-13 15:50:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:50:47,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:47,134 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:47,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 15:50:47,135 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:47,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:47,135 INFO L82 PathProgramCache]: Analyzing trace with hash -423409548, now seen corresponding path program 1 times [2020-10-13 15:50:47,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:47,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648563280] [2020-10-13 15:50:47,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:47,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:47,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:47,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:47,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:47,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:47,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:47,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:48,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:50,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:50:52,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-13 15:50:52,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 15:50:52,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:50:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:50:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 15:50:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,376 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:50:52,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:50:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:52,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:50:52,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:52,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:50:52,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:50:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:50:52,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:50:52,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:52,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:50:52,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:50:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:50:52,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:52,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:50:52,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:50:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:50:52,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:50:52,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:50:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:50:52,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:50:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:50:52,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:50:52,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:50:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:50:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:50:52,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:50:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:50:52,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:50:52,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:50:52,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:50:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:52,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:52,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:50:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:52,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:52,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:50:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:52,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:52,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:50:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:52,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:52,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:50:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:52,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:52,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:50:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:52,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:52,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:50:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:52,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:52,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:50:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:52,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:52,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:50:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:52,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:52,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:50:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:52,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:52,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:50:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:50:52,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:50:52,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:50:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 15:50:52,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:50:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:50:52,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 15:50:52,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:50:52,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:50:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:52,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:52,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:50:52,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:50:52,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:50:52,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:50:52,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:50:52,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:50:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:50:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:50:52,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:50:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:50:52,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648563280] [2020-10-13 15:50:52,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:50:52,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:50:52,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159808467] [2020-10-13 15:50:52,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:50:52,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:50:52,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:50:52,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:50:52,742 INFO L87 Difference]: Start difference. First operand 856 states and 1212 transitions. Second operand 9 states. [2020-10-13 15:50:52,961 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-13 15:50:58,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:50:58,074 INFO L93 Difference]: Finished difference Result 2157 states and 3178 transitions. [2020-10-13 15:50:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:50:58,075 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-13 15:50:58,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:50:58,082 INFO L225 Difference]: With dead ends: 2157 [2020-10-13 15:50:58,082 INFO L226 Difference]: Without dead ends: 1329 [2020-10-13 15:50:58,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:50:58,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2020-10-13 15:50:58,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 856. [2020-10-13 15:50:58,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-13 15:50:58,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1205 transitions. [2020-10-13 15:50:58,232 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1205 transitions. Word has length 204 [2020-10-13 15:50:58,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:50:58,232 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1205 transitions. [2020-10-13 15:50:58,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:50:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1205 transitions. [2020-10-13 15:50:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:50:58,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:50:58,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:50:58,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 15:50:58,234 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:50:58,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:50:58,234 INFO L82 PathProgramCache]: Analyzing trace with hash 90297464, now seen corresponding path program 1 times [2020-10-13 15:50:58,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:50:58,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626060069] [2020-10-13 15:50:58,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:50:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:50:58,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:58,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:50:59,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:00,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:51:03,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 15:51:03,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 15:51:03,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:03,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:03,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 15:51:03,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,454 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:51:03,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:03,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:51:03,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:03,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:03,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:51:03,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:03,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:03,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:03,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:03,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:51:03,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:03,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:51:03,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:51:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:51:03,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:51:03,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:03,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:03,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:51:03,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:51:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:51:03,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:51:03,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:51:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:03,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:03,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:03,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:03,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:51:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:51:03,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:03,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:51:03,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:51:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:03,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:03,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:03,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:03,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:03,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:03,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:03,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:03,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:03,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626060069] [2020-10-13 15:51:03,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:03,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:03,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961776968] [2020-10-13 15:51:03,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:03,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:03,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:03,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:03,762 INFO L87 Difference]: Start difference. First operand 856 states and 1205 transitions. Second operand 9 states. [2020-10-13 15:51:03,971 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-13 15:51:09,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:09,310 INFO L93 Difference]: Finished difference Result 2157 states and 3163 transitions. [2020-10-13 15:51:09,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:09,311 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-13 15:51:09,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:09,316 INFO L225 Difference]: With dead ends: 2157 [2020-10-13 15:51:09,316 INFO L226 Difference]: Without dead ends: 1329 [2020-10-13 15:51:09,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:09,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2020-10-13 15:51:09,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 856. [2020-10-13 15:51:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-13 15:51:09,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1198 transitions. [2020-10-13 15:51:09,463 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1198 transitions. Word has length 204 [2020-10-13 15:51:09,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:09,463 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1198 transitions. [2020-10-13 15:51:09,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1198 transitions. [2020-10-13 15:51:09,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:51:09,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:09,465 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:51:09,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 15:51:09,466 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:09,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:09,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1132171644, now seen corresponding path program 1 times [2020-10-13 15:51:09,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:09,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1897453928] [2020-10-13 15:51:09,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:09,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:09,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:10,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:11,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:51:14,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 15:51:14,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 15:51:14,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:14,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:14,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 15:51:14,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,691 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:51:14,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:14,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:51:14,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:14,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:14,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:14,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:14,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:14,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:14,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:14,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:14,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:51:14,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:51:14,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:51:14,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:51:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:51:14,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 15:51:14,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:51:14,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:51:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:51:14,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:51:14,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:51:14,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:14,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:51:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:51:14,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:14,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:51:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:14,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:51:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:14,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:14,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:14,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:14,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:14,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:14,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:14,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:14,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:14,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:14,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:15,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1897453928] [2020-10-13 15:51:15,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:15,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:15,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016219920] [2020-10-13 15:51:15,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:15,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:15,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:15,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:15,026 INFO L87 Difference]: Start difference. First operand 856 states and 1198 transitions. Second operand 9 states. [2020-10-13 15:51:15,236 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-13 15:51:20,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:20,170 INFO L93 Difference]: Finished difference Result 2157 states and 3144 transitions. [2020-10-13 15:51:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:20,170 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-13 15:51:20,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:20,177 INFO L225 Difference]: With dead ends: 2157 [2020-10-13 15:51:20,177 INFO L226 Difference]: Without dead ends: 1329 [2020-10-13 15:51:20,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:20,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2020-10-13 15:51:20,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 856. [2020-10-13 15:51:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-13 15:51:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1191 transitions. [2020-10-13 15:51:20,382 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1191 transitions. Word has length 204 [2020-10-13 15:51:20,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:20,383 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1191 transitions. [2020-10-13 15:51:20,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:20,383 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1191 transitions. [2020-10-13 15:51:20,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:51:20,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:20,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:51:20,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 15:51:20,387 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:20,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:20,387 INFO L82 PathProgramCache]: Analyzing trace with hash 611591160, now seen corresponding path program 1 times [2020-10-13 15:51:20,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:20,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029896481] [2020-10-13 15:51:20,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:20,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:20,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:20,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:20,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:20,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:20,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:20,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:20,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:21,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:22,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:24,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:51:25,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 15:51:25,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 15:51:25,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:25,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:25,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 15:51:25,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,620 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:51:25,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:25,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 15:51:25,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:25,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:25,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:25,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:51:25,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:25,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:25,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:25,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:25,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:25,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:51:25,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:51:25,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:25,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:51:25,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:51:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:51:25,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:51:25,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:25,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:51:25,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:51:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:51:25,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 15:51:25,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:51:25,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:25,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:25,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:25,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:25,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:25,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:25,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:25,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:25,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:25,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:25,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:25,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:25,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:25,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:25,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:25,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:25,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:25,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:25,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:25,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:25,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:25,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:25,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:25,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:51:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:51:25,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 15:51:25,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:51:25,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:51:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:25,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:25,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:25,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:25,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:25,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:25,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:25,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:25,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:25,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:25,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:25,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029896481] [2020-10-13 15:51:25,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:25,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:25,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488506479] [2020-10-13 15:51:25,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:25,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:25,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:25,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:25,942 INFO L87 Difference]: Start difference. First operand 856 states and 1191 transitions. Second operand 9 states. [2020-10-13 15:51:26,144 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-13 15:51:31,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:31,585 INFO L93 Difference]: Finished difference Result 2157 states and 3125 transitions. [2020-10-13 15:51:31,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:31,585 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-13 15:51:31,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:31,591 INFO L225 Difference]: With dead ends: 2157 [2020-10-13 15:51:31,592 INFO L226 Difference]: Without dead ends: 1329 [2020-10-13 15:51:31,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:31,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2020-10-13 15:51:31,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 856. [2020-10-13 15:51:31,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-13 15:51:31,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1184 transitions. [2020-10-13 15:51:31,788 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1184 transitions. Word has length 204 [2020-10-13 15:51:31,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:31,788 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1184 transitions. [2020-10-13 15:51:31,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:31,789 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1184 transitions. [2020-10-13 15:51:31,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:51:31,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:31,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:51:31,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 15:51:31,790 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:31,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:31,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1311659270, now seen corresponding path program 1 times [2020-10-13 15:51:31,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:31,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130057088] [2020-10-13 15:51:31,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:31,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:31,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:31,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:31,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:31,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:32,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:33,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:35,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:36,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:36,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:51:36,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 15:51:36,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 15:51:36,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-13 15:51:36,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:36,995 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:51:36,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:37,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 15:51:37,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:37,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:37,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 15:51:37,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:37,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:37,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:37,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:51:37,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 15:51:37,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:37,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:51:37,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:51:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:51:37,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:51:37,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:51:37,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:51:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:51:37,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:51:37,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:51:37,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:37,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:37,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:37,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:37,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:37,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:37,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:37,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:37,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:37,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:37,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:37,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:51:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:51:37,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:37,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:51:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:51:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:37,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:37,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:37,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:37,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:37,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:37,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:37,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:37,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130057088] [2020-10-13 15:51:37,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:37,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:37,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384888544] [2020-10-13 15:51:37,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:37,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:37,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:37,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:37,274 INFO L87 Difference]: Start difference. First operand 856 states and 1184 transitions. Second operand 9 states. [2020-10-13 15:51:37,473 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-13 15:51:42,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 15:51:42,595 INFO L93 Difference]: Finished difference Result 2157 states and 3106 transitions. [2020-10-13 15:51:42,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 15:51:42,595 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-13 15:51:42,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 15:51:42,601 INFO L225 Difference]: With dead ends: 2157 [2020-10-13 15:51:42,602 INFO L226 Difference]: Without dead ends: 1329 [2020-10-13 15:51:42,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-13 15:51:42,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2020-10-13 15:51:42,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 856. [2020-10-13 15:51:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-10-13 15:51:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1177 transitions. [2020-10-13 15:51:42,788 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1177 transitions. Word has length 204 [2020-10-13 15:51:42,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 15:51:42,788 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1177 transitions. [2020-10-13 15:51:42,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 15:51:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1177 transitions. [2020-10-13 15:51:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 15:51:42,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 15:51:42,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 15:51:42,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 15:51:42,791 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 15:51:42,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 15:51:42,791 INFO L82 PathProgramCache]: Analyzing trace with hash 864332918, now seen corresponding path program 1 times [2020-10-13 15:51:42,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 15:51:42,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784134703] [2020-10-13 15:51:42,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 15:51:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:42,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:42,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:43,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:45,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:47,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:47,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 15:51:47,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-13 15:51:47,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 15:51:47,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:47,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 15:51:47,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 15:51:47,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 15:51:47,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,013 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-13 15:51:48,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 15:51:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:48,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 15:51:48,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:48,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 15:51:48,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 15:51:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 15:51:48,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 15:51:48,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 15:51:48,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 15:51:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 15:51:48,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:48,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 15:51:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 15:51:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 15:51:48,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:48,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 15:51:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 15:51:48,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 15:51:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:51:48,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 15:51:48,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 15:51:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 15:51:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 15:51:48,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 15:51:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 15:51:48,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 15:51:48,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-13 15:51:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 15:51:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:48,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:48,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 15:51:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:48,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:48,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 15:51:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:48,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:48,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 15:51:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:48,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:48,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 15:51:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:48,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:48,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 15:51:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:48,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:48,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 15:51:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:48,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:48,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 15:51:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:48,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:48,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 15:51:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:48,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:48,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 15:51:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:48,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:48,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 15:51:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 15:51:48,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 15:51:48,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 15:51:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 15:51:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 15:51:48,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 15:51:48,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 15:51:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 15:51:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 15:51:48,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 15:51:48,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 15:51:48,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 15:51:48,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 15:51:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 15:51:48,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 15:51:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 15:51:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 15:51:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 15:51:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 15:51:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 15:51:48,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784134703] [2020-10-13 15:51:48,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 15:51:48,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 15:51:48,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390113562] [2020-10-13 15:51:48,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 15:51:48,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 15:51:48,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 15:51:48,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 15:51:48,333 INFO L87 Difference]: Start difference. First operand 856 states and 1177 transitions. Second operand 9 states. [2020-10-13 15:51:48,538 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 174