/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.09.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:06:22,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:06:22,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:06:22,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:06:22,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:06:22,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:06:22,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:06:22,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:06:22,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:06:22,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:06:22,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:06:22,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:06:22,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:06:22,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:06:22,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:06:22,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:06:22,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:06:22,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:06:22,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:06:22,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:06:22,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:06:22,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:06:22,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:06:22,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:06:22,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:06:22,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:06:22,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:06:22,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:06:22,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:06:22,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:06:22,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:06:22,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:06:22,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:06:22,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:06:22,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:06:22,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:06:22,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:06:22,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:06:22,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:06:22,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:06:22,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:06:22,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 21:06:23,002 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:06:23,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:06:23,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:06:23,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:06:23,005 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:06:23,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:06:23,006 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:06:23,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:06:23,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:06:23,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:06:23,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:06:23,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:06:23,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:06:23,007 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:06:23,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:06:23,007 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:06:23,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:06:23,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:06:23,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:06:23,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:06:23,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:06:23,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:06:23,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:06:23,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:06:23,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:06:23,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:06:23,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:06:23,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:06:23,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:06:23,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:06:23,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:06:23,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:06:23,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:06:23,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:06:23,345 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:06:23,346 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.09.cil-1.c [2020-10-12 21:06:23,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4983c1c6/8f74bdfc915d43b2917264456e85af46/FLAG45e0b6cf0 [2020-10-12 21:06:23,846 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:06:23,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.09.cil-1.c [2020-10-12 21:06:23,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4983c1c6/8f74bdfc915d43b2917264456e85af46/FLAG45e0b6cf0 [2020-10-12 21:06:24,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4983c1c6/8f74bdfc915d43b2917264456e85af46 [2020-10-12 21:06:24,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:06:24,226 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:06:24,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:06:24,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:06:24,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:06:24,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:06:24" (1/1) ... [2020-10-12 21:06:24,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285e86f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:06:24, skipping insertion in model container [2020-10-12 21:06:24,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:06:24" (1/1) ... [2020-10-12 21:06:24,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:06:24,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:06:24,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:06:24,618 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:06:24,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:06:24,828 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:06:24,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:06:24 WrapperNode [2020-10-12 21:06:24,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:06:24,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:06:24,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:06:24,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:06:24,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:06:24" (1/1) ... [2020-10-12 21:06:24,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:06:24" (1/1) ... [2020-10-12 21:06:24,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:06:24" (1/1) ... [2020-10-12 21:06:24,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:06:24" (1/1) ... [2020-10-12 21:06:24,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:06:24" (1/1) ... [2020-10-12 21:06:24,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:06:24" (1/1) ... [2020-10-12 21:06:24,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:06:24" (1/1) ... [2020-10-12 21:06:24,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:06:24,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:06:24,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:06:24,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:06:24,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:06:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:06:25,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:06:25,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:06:25,014 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:06:25,014 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:06:25,014 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:06:25,014 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:06:25,015 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:06:25,017 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-12 21:06:25,017 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-12 21:06:25,017 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-12 21:06:25,017 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-12 21:06:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-12 21:06:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-12 21:06:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:06:25,018 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:06:25,019 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:06:25,019 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:06:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-12 21:06:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-12 21:06:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-12 21:06:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-12 21:06:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-12 21:06:25,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-12 21:06:25,021 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:06:25,021 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:06:25,022 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:06:25,022 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:06:25,022 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:06:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:06:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:06:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:06:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:06:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:06:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:06:25,023 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:06:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:06:25,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:06:25,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:06:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:06:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:06:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:06:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:06:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:06:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-12 21:06:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-12 21:06:25,028 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-12 21:06:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-12 21:06:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-12 21:06:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-12 21:06:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:06:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:06:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:06:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:06:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:06:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:06:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-12 21:06:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-12 21:06:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-12 21:06:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-12 21:06:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-12 21:06:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-12 21:06:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:06:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:06:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:06:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:06:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:06:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:06:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:06:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:06:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:06:25,034 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:06:25,035 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:06:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:06:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:06:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:06:25,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:06:26,051 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:06:26,052 INFO L295 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-12 21:06:26,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:06:26 BoogieIcfgContainer [2020-10-12 21:06:26,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:06:26,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:06:26,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:06:26,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:06:26,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:06:24" (1/3) ... [2020-10-12 21:06:26,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7a1730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:06:26, skipping insertion in model container [2020-10-12 21:06:26,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:06:24" (2/3) ... [2020-10-12 21:06:26,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7a1730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:06:26, skipping insertion in model container [2020-10-12 21:06:26,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:06:26" (3/3) ... [2020-10-12 21:06:26,068 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.09.cil-1.c [2020-10-12 21:06:26,079 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:06:26,088 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:06:26,103 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:06:26,131 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:06:26,132 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:06:26,132 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:06:26,132 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:06:26,132 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:06:26,133 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:06:26,133 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:06:26,133 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:06:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states. [2020-10-12 21:06:26,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:06:26,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:26,179 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] [2020-10-12 21:06:26,180 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:26,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:26,187 INFO L82 PathProgramCache]: Analyzing trace with hash -2020820689, now seen corresponding path program 1 times [2020-10-12 21:06:26,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:26,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1445425125] [2020-10-12 21:06:26,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:26,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:26,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:27,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:27,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:27,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:27,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:06:31,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:06:31,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 21:06:31,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:06:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:06:31,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 21:06:31,975 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:06:31,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:32,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:32,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:32,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:32,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:32,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:06:32,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:32,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:32,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:32,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:32,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:32,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:32,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:32,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:32,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:32,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:32,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:06:32,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:32,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:32,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:32,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:32,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:32,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:32,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:32,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:32,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:32,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:32,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:32,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:32,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:32,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:32,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:32,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:32,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:32,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:32,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:32,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:06:32,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:32,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:06:32,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:06:32,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:32,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:32,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:32,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:32,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:06:32,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:32,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 21:06:32,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:32,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:32,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:32,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:06:32,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:32,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:06:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:32,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:32,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:32,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:32,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:32,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:06:37,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:06:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:06:37,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:06:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:37,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:06:37,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:37,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:37,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:37,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:37,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:37,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:37,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:37,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:37,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:37,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:37,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:37,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:37,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:37,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:37,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:37,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:37,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:37,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:37,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:37,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:37,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:37,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:37,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:37,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:06:37,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:37,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:37,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:37,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:37,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:37,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:37,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:06:37,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:37,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:37,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:37,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:37,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:06:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:37,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:37,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:37,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:37,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:06:37,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:06:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:37,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:37,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:37,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:37,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:37,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:06:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:37,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:37,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:37,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:37,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:06:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:06:37,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:06:37,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:37,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 21:06:37,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:37,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:37,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:06:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:37,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:37,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:37,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:37,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:37,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:37,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:37,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:06:37,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1445425125] [2020-10-12 21:06:37,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:06:37,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:06:37,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705727964] [2020-10-12 21:06:37,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:06:37,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:37,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:06:37,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:06:37,694 INFO L87 Difference]: Start difference. First operand 384 states. Second operand 12 states. [2020-10-12 21:06:38,180 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:06:39,927 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:06:40,175 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 21:06:40,507 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 21:06:40,803 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 21:06:46,085 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-12 21:06:46,287 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-12 21:06:46,501 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-12 21:06:46,798 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-12 21:06:51,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:51,163 INFO L93 Difference]: Finished difference Result 1626 states and 2719 transitions. [2020-10-12 21:06:51,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:06:51,165 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 189 [2020-10-12 21:06:51,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:51,196 INFO L225 Difference]: With dead ends: 1626 [2020-10-12 21:06:51,196 INFO L226 Difference]: Without dead ends: 1250 [2020-10-12 21:06:51,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=242, Invalid=880, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 21:06:51,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-10-12 21:06:51,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 742. [2020-10-12 21:06:51,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-10-12 21:06:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1084 transitions. [2020-10-12 21:06:51,468 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1084 transitions. Word has length 189 [2020-10-12 21:06:51,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:51,469 INFO L479 AbstractCegarLoop]: Abstraction has 742 states and 1084 transitions. [2020-10-12 21:06:51,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:06:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1084 transitions. [2020-10-12 21:06:51,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:06:51,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:51,474 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] [2020-10-12 21:06:51,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:06:51,475 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:51,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:51,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1540595283, now seen corresponding path program 1 times [2020-10-12 21:06:51,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:51,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68529055] [2020-10-12 21:06:51,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:51,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:51,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:51,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:51,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:51,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:54,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:54,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:55,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:55,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:55,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:55,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:55,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:55,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:55,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:55,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:55,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:55,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:55,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:56,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:56,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:56,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:56,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:56,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:56,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:56,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:56,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:06:56,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 21:06:56,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 21:06:56,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:56,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:06:56,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-12 21:06:56,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:56,733 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:06:56,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:56,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:56,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:56,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:56,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:56,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:06:56,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:56,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:56,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:56,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:56,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:56,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:56,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:56,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:56,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:56,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:56,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:06:56,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:56,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:56,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:56,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:56,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:56,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:56,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:56,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:56,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:56,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:56,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:56,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:56,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:56,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:56,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:56,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:56,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:56,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:56,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:56,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:06:56,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:56,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:06:56,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:56,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:06:56,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:56,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:56,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:57,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:57,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:06:57,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:57,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 21:06:57,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:57,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:57,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:06:57,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:57,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:06:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:57,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:57,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:57,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:57,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:58,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:07:02,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:07:02,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:07:02,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:07:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-12 21:07:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:07:02,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:02,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:02,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:02,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:07:02,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:02,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:07:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:02,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:07:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:02,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:02,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:07:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:07:02,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:07:02,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 21:07:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:07:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:02,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:02,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:02,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:02,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:02,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:02,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:07:02,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68529055] [2020-10-12 21:07:02,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:02,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:07:02,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807407862] [2020-10-12 21:07:02,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:07:02,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:02,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:07:02,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:07:02,354 INFO L87 Difference]: Start difference. First operand 742 states and 1084 transitions. Second operand 14 states. [2020-10-12 21:07:02,580 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-12 21:07:04,506 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:07:04,730 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:07:04,952 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:07:05,293 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-12 21:07:07,602 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-12 21:07:08,928 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:07:09,117 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 21:07:09,312 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:07:09,614 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:07:17,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:17,710 INFO L93 Difference]: Finished difference Result 3219 states and 5187 transitions. [2020-10-12 21:07:17,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:07:17,710 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 189 [2020-10-12 21:07:17,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:17,728 INFO L225 Difference]: With dead ends: 3219 [2020-10-12 21:07:17,728 INFO L226 Difference]: Without dead ends: 2504 [2020-10-12 21:07:17,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=341, Invalid=991, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 21:07:17,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2504 states. [2020-10-12 21:07:17,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2504 to 1602. [2020-10-12 21:07:17,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1602 states. [2020-10-12 21:07:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 2335 transitions. [2020-10-12 21:07:17,976 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 2335 transitions. Word has length 189 [2020-10-12 21:07:17,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:17,976 INFO L479 AbstractCegarLoop]: Abstraction has 1602 states and 2335 transitions. [2020-10-12 21:07:17,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:07:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2335 transitions. [2020-10-12 21:07:17,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:07:17,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:17,993 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] [2020-10-12 21:07:17,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:07:17,993 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:17,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:17,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1075628848, now seen corresponding path program 1 times [2020-10-12 21:07:17,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:17,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436105732] [2020-10-12 21:07:17,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:20,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:20,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:20,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:20,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:21,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:22,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:23,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:23,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:07:23,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-12 21:07:23,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 21:07:23,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:23,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 21:07:23,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:23,279 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:07:23,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:23,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:23,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:23,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:23,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:23,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:07:23,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:23,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:23,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:23,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:23,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:23,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:23,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:23,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:23,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:23,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:23,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:23,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:23,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:23,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:23,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:23,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:23,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:23,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:23,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:23,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:23,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:23,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:23,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:23,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:23,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:23,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:23,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:07:23,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:23,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:23,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:07:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:23,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:23,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:23,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:23,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:07:23,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:23,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:07:23,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:23,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:07:23,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:23,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:07:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:23,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:23,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:23,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:23,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:24,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:07:26,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:07:26,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3149 [2020-10-12 21:07:26,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:07:26,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:07:26,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:07:26,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:26,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:26,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:26,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:26,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:26,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:26,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:26,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:26,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:26,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:26,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:26,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:26,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:26,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:26,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:26,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:26,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:26,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:26,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:26,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:26,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:26,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:26,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:26,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:26,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:26,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:26,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:26,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:26,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:26,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:26,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:26,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:07:26,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:26,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:26,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:07:26,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:26,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:26,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:26,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:26,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:26,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:07:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:26,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:26,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:26,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:26,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:07:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:26,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:26,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:26,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:26,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:26,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:07:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:07:26,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:07:26,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 21:07:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:26,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:26,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:07:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:26,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:26,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:26,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:26,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:26,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:26,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:26,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:26,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:26,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:26,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:07:26,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436105732] [2020-10-12 21:07:26,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:26,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:07:26,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856027656] [2020-10-12 21:07:26,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:07:26,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:26,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:07:26,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:07:26,928 INFO L87 Difference]: Start difference. First operand 1602 states and 2335 transitions. Second operand 14 states. [2020-10-12 21:07:27,126 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-12 21:07:27,468 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-12 21:07:29,489 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-12 21:07:29,696 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 21:07:30,022 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-12 21:07:30,336 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-12 21:07:32,460 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-12 21:07:33,547 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 21:07:33,715 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-12 21:07:33,904 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 21:07:34,203 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:07:40,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:40,999 INFO L93 Difference]: Finished difference Result 6299 states and 9996 transitions. [2020-10-12 21:07:40,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:07:40,999 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 189 [2020-10-12 21:07:40,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:41,029 INFO L225 Difference]: With dead ends: 6299 [2020-10-12 21:07:41,029 INFO L226 Difference]: Without dead ends: 4724 [2020-10-12 21:07:41,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=341, Invalid=991, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 21:07:41,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4724 states. [2020-10-12 21:07:41,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4724 to 3228. [2020-10-12 21:07:41,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3228 states. [2020-10-12 21:07:41,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3228 states to 3228 states and 4720 transitions. [2020-10-12 21:07:41,500 INFO L78 Accepts]: Start accepts. Automaton has 3228 states and 4720 transitions. Word has length 189 [2020-10-12 21:07:41,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:41,500 INFO L479 AbstractCegarLoop]: Abstraction has 3228 states and 4720 transitions. [2020-10-12 21:07:41,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:07:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3228 states and 4720 transitions. [2020-10-12 21:07:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:07:41,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:41,504 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] [2020-10-12 21:07:41,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:07:41,504 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:41,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:41,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1672857646, now seen corresponding path program 1 times [2020-10-12 21:07:41,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:41,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32361770] [2020-10-12 21:07:41,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:41,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:41,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:41,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:41,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:44,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:44,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:44,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:46,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:46,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:07:46,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 21:07:46,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:07:46,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:07:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-12 21:07:46,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:46,751 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:07:46,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:46,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:46,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:46,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:46,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:46,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:46,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:46,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:46,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:46,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:46,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:46,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:46,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:46,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:46,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:46,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:46,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:46,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:46,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:46,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:46,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:46,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:46,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:46,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:46,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:46,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:46,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:46,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:46,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:46,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:07:46,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:46,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:07:46,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:07:46,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:46,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:46,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:46,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:46,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:07:46,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:46,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 21:07:46,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:46,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:07:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:46,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:07:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:46,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:46,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:46,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:47,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:07:48,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:07:48,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1057 [2020-10-12 21:07:48,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:07:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 21:07:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:07:48,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:48,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:48,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:48,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:48,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:48,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:48,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:48,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:48,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:48,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:48,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:48,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:48,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:48,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:48,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:48,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:48,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:48,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:48,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:48,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:07:48,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:48,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:48,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:48,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:48,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:48,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:48,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:48,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:48,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:48,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:48,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:48,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:48,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:48,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:48,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:48,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:07:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:48,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:48,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:48,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:48,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:48,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:07:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:48,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:48,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:48,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:07:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:07:48,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 21:07:48,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:48,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:48,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:07:48,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:48,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:07:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:48,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:48,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:48,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:48,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:48,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:48,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:48,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:48,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:48,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:48,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:07:48,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32361770] [2020-10-12 21:07:48,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:48,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:07:48,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504944733] [2020-10-12 21:07:48,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:07:48,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:48,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:07:48,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:07:48,288 INFO L87 Difference]: Start difference. First operand 3228 states and 4720 transitions. Second operand 13 states. [2020-10-12 21:07:48,533 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:07:50,021 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:07:50,214 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 21:07:50,509 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 21:07:50,845 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:07:57,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:57,858 INFO L93 Difference]: Finished difference Result 7889 states and 12184 transitions. [2020-10-12 21:07:57,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:07:57,859 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 189 [2020-10-12 21:07:57,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:57,885 INFO L225 Difference]: With dead ends: 7889 [2020-10-12 21:07:57,885 INFO L226 Difference]: Without dead ends: 4688 [2020-10-12 21:07:57,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:07:57,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4688 states. [2020-10-12 21:07:58,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4688 to 3248. [2020-10-12 21:07:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3248 states. [2020-10-12 21:07:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4708 transitions. [2020-10-12 21:07:58,251 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4708 transitions. Word has length 189 [2020-10-12 21:07:58,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:58,252 INFO L479 AbstractCegarLoop]: Abstraction has 3248 states and 4708 transitions. [2020-10-12 21:07:58,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:07:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4708 transitions. [2020-10-12 21:07:58,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:07:58,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:58,255 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] [2020-10-12 21:07:58,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:07:58,255 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:58,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:58,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1025246770, now seen corresponding path program 1 times [2020-10-12 21:07:58,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:58,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676113147] [2020-10-12 21:07:58,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:58,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:08:03,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-12 21:08:03,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 21:08:03,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-12 21:08:03,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,465 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:08:03,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:03,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:08:03,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:03,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:03,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:03,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:03,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:03,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:03,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:03,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:03,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:08:03,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:08:03,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:08:03,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:08:03,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:08:03,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:08:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:08:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:08:03,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:08:03,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-12 21:08:03,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-12 21:08:03,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:03,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:03,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:03,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:03,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:03,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:03,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:03,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:03,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:03,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:03,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:03,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:03,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:03,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:03,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:03,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:03,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:03,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:03,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:03,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:03,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:03,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:03,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:03,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:03,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:03,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:03,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:03,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:03,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:03,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:03,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:03,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:04,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:04,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:04,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:04,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:04,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:04,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:04,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:04,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:04,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:04,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:04,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:04,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:04,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:04,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:04,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:04,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:04,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:04,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:04,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:08:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:04,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:04,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:08:04,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:04,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:08:04,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:04,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:04,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 21:08:04,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:04,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:04,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:08:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:04,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:04,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:04,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:04,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:04,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:04,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:04,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:04,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:04,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:04,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676113147] [2020-10-12 21:08:04,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:04,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:08:04,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301926461] [2020-10-12 21:08:04,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:08:04,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:04,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:08:04,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:08:04,116 INFO L87 Difference]: Start difference. First operand 3248 states and 4708 transitions. Second operand 13 states. [2020-10-12 21:08:04,293 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:08:06,380 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 21:08:06,634 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-12 21:08:06,829 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 21:08:07,122 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:08:09,779 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-12 21:08:10,656 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-12 21:08:10,829 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:08:11,003 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 21:08:11,176 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:08:11,362 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-12 21:08:11,640 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:08:11,995 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-12 21:08:12,271 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-12 21:08:15,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:15,402 INFO L93 Difference]: Finished difference Result 9753 states and 14628 transitions. [2020-10-12 21:08:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 21:08:15,402 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 189 [2020-10-12 21:08:15,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:15,435 INFO L225 Difference]: With dead ends: 9753 [2020-10-12 21:08:15,436 INFO L226 Difference]: Without dead ends: 6532 [2020-10-12 21:08:15,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=337, Invalid=1223, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 21:08:15,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6532 states. [2020-10-12 21:08:16,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6532 to 4190. [2020-10-12 21:08:16,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4190 states. [2020-10-12 21:08:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 4190 states and 5802 transitions. [2020-10-12 21:08:16,150 INFO L78 Accepts]: Start accepts. Automaton has 4190 states and 5802 transitions. Word has length 189 [2020-10-12 21:08:16,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:16,150 INFO L479 AbstractCegarLoop]: Abstraction has 4190 states and 5802 transitions. [2020-10-12 21:08:16,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:08:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 4190 states and 5802 transitions. [2020-10-12 21:08:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:08:16,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:16,153 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] [2020-10-12 21:08:16,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:08:16,153 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:16,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:16,154 INFO L82 PathProgramCache]: Analyzing trace with hash 2059664756, now seen corresponding path program 1 times [2020-10-12 21:08:16,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:16,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113840723] [2020-10-12 21:08:16,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:16,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:17,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:17,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:17,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:17,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:17,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:17,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:17,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:20,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:08:21,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-12 21:08:21,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 21:08:21,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 21:08:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,361 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:08:21,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:21,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:08:21,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:21,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:21,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:21,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:21,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:21,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:21,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:21,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:08:21,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:08:21,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:21,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:08:21,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:08:21,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:08:21,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:21,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:08:21,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:08:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:08:21,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:08:21,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 21:08:21,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:08:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:21,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:21,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:21,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:21,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:21,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:21,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:21,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:21,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:21,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:21,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:21,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:08:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:08:21,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:21,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 21:08:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:08:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:21,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:21,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:21,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113840723] [2020-10-12 21:08:21,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:21,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:08:21,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272578833] [2020-10-12 21:08:21,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:08:21,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:21,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:08:21,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:08:21,784 INFO L87 Difference]: Start difference. First operand 4190 states and 5802 transitions. Second operand 14 states. [2020-10-12 21:08:21,970 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:08:23,497 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:08:23,695 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 21:08:23,995 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:08:24,368 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:08:30,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:30,426 INFO L93 Difference]: Finished difference Result 10573 states and 15557 transitions. [2020-10-12 21:08:30,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:08:30,426 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 189 [2020-10-12 21:08:30,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:30,456 INFO L225 Difference]: With dead ends: 10573 [2020-10-12 21:08:30,456 INFO L226 Difference]: Without dead ends: 6410 [2020-10-12 21:08:30,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:08:30,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6410 states. [2020-10-12 21:08:31,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6410 to 4270. [2020-10-12 21:08:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4270 states. [2020-10-12 21:08:31,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 4270 states and 5854 transitions. [2020-10-12 21:08:31,037 INFO L78 Accepts]: Start accepts. Automaton has 4270 states and 5854 transitions. Word has length 189 [2020-10-12 21:08:31,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:31,037 INFO L479 AbstractCegarLoop]: Abstraction has 4270 states and 5854 transitions. [2020-10-12 21:08:31,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:08:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 4270 states and 5854 transitions. [2020-10-12 21:08:31,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:08:31,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:31,040 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] [2020-10-12 21:08:31,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:08:31,040 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:31,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:31,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1233762034, now seen corresponding path program 1 times [2020-10-12 21:08:31,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:31,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2018847918] [2020-10-12 21:08:31,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:31,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:08:36,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-12 21:08:36,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 21:08:36,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:08:36,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,237 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:08:36,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:36,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:08:36,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:36,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:36,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:36,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:36,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 21:08:36,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:36,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:36,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:36,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:08:36,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:08:36,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:36,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:08:36,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:08:36,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:08:36,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:36,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:36,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:08:36,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:08:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:08:36,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:08:36,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-12 21:08:36,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:36,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:36,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:36,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:36,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:36,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:36,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:36,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:36,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:36,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:36,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:36,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:36,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:36,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:36,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:36,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:36,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:36,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:36,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:36,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:36,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:08:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:08:36,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:36,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 21:08:36,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:08:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:36,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:36,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:36,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:36,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:36,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:36,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:36,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:36,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:36,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2018847918] [2020-10-12 21:08:36,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:36,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:08:36,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994810454] [2020-10-12 21:08:36,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:08:36,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:36,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:08:36,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:08:36,549 INFO L87 Difference]: Start difference. First operand 4270 states and 5854 transitions. Second operand 10 states. [2020-10-12 21:08:36,721 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:08:41,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:41,929 INFO L93 Difference]: Finished difference Result 10341 states and 14709 transitions. [2020-10-12 21:08:41,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:08:41,930 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 189 [2020-10-12 21:08:41,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:41,952 INFO L225 Difference]: With dead ends: 10341 [2020-10-12 21:08:41,953 INFO L226 Difference]: Without dead ends: 6098 [2020-10-12 21:08:41,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:08:41,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6098 states. [2020-10-12 21:08:42,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6098 to 4270. [2020-10-12 21:08:42,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4270 states. [2020-10-12 21:08:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 4270 states and 5826 transitions. [2020-10-12 21:08:42,470 INFO L78 Accepts]: Start accepts. Automaton has 4270 states and 5826 transitions. Word has length 189 [2020-10-12 21:08:42,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:42,470 INFO L479 AbstractCegarLoop]: Abstraction has 4270 states and 5826 transitions. [2020-10-12 21:08:42,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:08:42,470 INFO L276 IsEmpty]: Start isEmpty. Operand 4270 states and 5826 transitions. [2020-10-12 21:08:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:08:42,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:42,471 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] [2020-10-12 21:08:42,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:08:42,471 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:42,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:42,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1565068878, now seen corresponding path program 1 times [2020-10-12 21:08:42,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:42,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288614070] [2020-10-12 21:08:42,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:42,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:45,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:08:47,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 21:08:47,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:08:47,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:08:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 21:08:47,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,672 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:08:47,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:47,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:08:47,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:47,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:47,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:47,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:47,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:47,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:47,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:08:47,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:47,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:08:47,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:08:47,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:08:47,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:08:47,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:08:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:08:47,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:08:47,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:47,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-12 21:08:47,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:47,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:47,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:47,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:47,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:47,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:47,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:47,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:47,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:47,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:47,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:47,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:47,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:47,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:47,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:47,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:47,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:47,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:47,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:47,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:47,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:47,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:47,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:47,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:47,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:47,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:47,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:47,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:47,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:47,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:47,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:47,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:47,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:08:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:08:47,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:08:47,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:08:47,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:48,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:08:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:48,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:48,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288614070] [2020-10-12 21:08:48,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:48,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:08:48,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361717808] [2020-10-12 21:08:48,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:08:48,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:48,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:08:48,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:08:48,044 INFO L87 Difference]: Start difference. First operand 4270 states and 5826 transitions. Second operand 10 states. [2020-10-12 21:08:48,226 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:08:51,763 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:08:55,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:55,699 INFO L93 Difference]: Finished difference Result 12273 states and 17532 transitions. [2020-10-12 21:08:55,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:08:55,699 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 189 [2020-10-12 21:08:55,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:55,733 INFO L225 Difference]: With dead ends: 12273 [2020-10-12 21:08:55,733 INFO L226 Difference]: Without dead ends: 8030 [2020-10-12 21:08:55,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-12 21:08:55,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8030 states. [2020-10-12 21:08:56,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8030 to 5448. [2020-10-12 21:08:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5448 states. [2020-10-12 21:08:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5448 states to 5448 states and 7456 transitions. [2020-10-12 21:08:56,547 INFO L78 Accepts]: Start accepts. Automaton has 5448 states and 7456 transitions. Word has length 189 [2020-10-12 21:08:56,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:56,548 INFO L479 AbstractCegarLoop]: Abstraction has 5448 states and 7456 transitions. [2020-10-12 21:08:56,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:08:56,548 INFO L276 IsEmpty]: Start isEmpty. Operand 5448 states and 7456 transitions. [2020-10-12 21:08:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:08:56,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:56,550 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] [2020-10-12 21:08:56,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:08:56,550 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:56,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:56,551 INFO L82 PathProgramCache]: Analyzing trace with hash -178865484, now seen corresponding path program 1 times [2020-10-12 21:08:56,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:56,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729367156] [2020-10-12 21:08:56,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:56,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:59,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:09:01,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 21:09:01,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:09:01,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:01,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:01,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 21:09:01,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,760 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:09:01,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:01,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:09:01,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:01,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:01,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:01,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:01,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:01,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:01,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:01,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:09:01,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:09:01,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:09:01,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:09:01,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:09:01,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:01,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:09:01,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:09:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:09:01,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:09:01,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-12 21:09:01,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:02,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:09:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:02,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:02,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:09:02,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:02,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 21:09:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:02,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:02,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:09:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:02,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:02,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:02,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:02,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:02,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:02,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:02,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:02,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729367156] [2020-10-12 21:09:02,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:02,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:09:02,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132489822] [2020-10-12 21:09:02,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:09:02,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:02,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:09:02,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:09:02,042 INFO L87 Difference]: Start difference. First operand 5448 states and 7456 transitions. Second operand 10 states. [2020-10-12 21:09:02,219 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:09:07,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:07,040 INFO L93 Difference]: Finished difference Result 12817 states and 17937 transitions. [2020-10-12 21:09:07,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:09:07,040 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 189 [2020-10-12 21:09:07,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:07,064 INFO L225 Difference]: With dead ends: 12817 [2020-10-12 21:09:07,065 INFO L226 Difference]: Without dead ends: 7396 [2020-10-12 21:09:07,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:09:07,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7396 states. [2020-10-12 21:09:07,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7396 to 5448. [2020-10-12 21:09:07,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5448 states. [2020-10-12 21:09:07,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5448 states to 5448 states and 7428 transitions. [2020-10-12 21:09:07,723 INFO L78 Accepts]: Start accepts. Automaton has 5448 states and 7428 transitions. Word has length 189 [2020-10-12 21:09:07,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:07,723 INFO L479 AbstractCegarLoop]: Abstraction has 5448 states and 7428 transitions. [2020-10-12 21:09:07,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:09:07,724 INFO L276 IsEmpty]: Start isEmpty. Operand 5448 states and 7428 transitions. [2020-10-12 21:09:07,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:09:07,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:07,725 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] [2020-10-12 21:09:07,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:09:07,725 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:07,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:07,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1950447628, now seen corresponding path program 1 times [2020-10-12 21:09:07,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:07,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168052124] [2020-10-12 21:09:07,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:08,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:08,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:08,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:08,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:08,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:08,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:08,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:08,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:08,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:08,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:10,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:12,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:12,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:12,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:09:12,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 21:09:12,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 21:09:12,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:12,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:12,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-12 21:09:12,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:12,913 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:09:12,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:12,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:12,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:12,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:12,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:12,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:09:12,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:12,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:12,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:12,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:12,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:12,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:12,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:12,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:12,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:12,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:12,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:12,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:12,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:12,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:12,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:12,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:12,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:12,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:12,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:12,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:09:13,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:09:13,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:13,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:13,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:09:13,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:09:13,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:09:13,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:09:13,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:09:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:09:13,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:09:13,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-12 21:09:13,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:13,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:13,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:13,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:13,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:13,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:13,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:13,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:13,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:13,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:13,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:13,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:13,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:13,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:13,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:13,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:13,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:13,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:13,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:13,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:13,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:13,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:13,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:13,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:13,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:13,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:13,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:09:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:09:13,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:09:13,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 21:09:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:09:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:13,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:13,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:13,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:13,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:13,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 21:09:13,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:13,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:13,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168052124] [2020-10-12 21:09:13,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:13,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:09:13,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816891464] [2020-10-12 21:09:13,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:09:13,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:13,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:09:13,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:09:13,232 INFO L87 Difference]: Start difference. First operand 5448 states and 7428 transitions. Second operand 9 states. [2020-10-12 21:09:13,402 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:09:17,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:17,986 INFO L93 Difference]: Finished difference Result 12817 states and 17861 transitions. [2020-10-12 21:09:17,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:09:17,987 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2020-10-12 21:09:17,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:18,002 INFO L225 Difference]: With dead ends: 12817 [2020-10-12 21:09:18,002 INFO L226 Difference]: Without dead ends: 7396 [2020-10-12 21:09:18,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:09:18,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7396 states. [2020-10-12 21:09:18,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7396 to 5448. [2020-10-12 21:09:18,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5448 states. [2020-10-12 21:09:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5448 states to 5448 states and 7400 transitions. [2020-10-12 21:09:18,710 INFO L78 Accepts]: Start accepts. Automaton has 5448 states and 7400 transitions. Word has length 189 [2020-10-12 21:09:18,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:18,711 INFO L479 AbstractCegarLoop]: Abstraction has 5448 states and 7400 transitions. [2020-10-12 21:09:18,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:09:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 5448 states and 7400 transitions. [2020-10-12 21:09:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:09:18,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:18,713 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] [2020-10-12 21:09:18,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:09:18,713 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:18,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:18,713 INFO L82 PathProgramCache]: Analyzing trace with hash 544961204, now seen corresponding path program 1 times [2020-10-12 21:09:18,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:18,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231707762] [2020-10-12 21:09:18,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:18,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:18,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:18,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:18,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:18,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:18,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:19,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:19,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:19,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:19,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:19,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:19,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:19,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:19,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:22,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:23,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:09:23,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 21:09:23,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 21:09:23,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 21:09:23,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:23,917 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:09:23,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:23,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:23,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:23,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:23,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:09:23,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:23,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:23,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:23,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:23,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:23,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:23,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:23,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:23,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:23,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:23,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:23,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:23,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:23,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:23,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:23,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:23,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:23,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:23,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:23,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:23,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:23,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:09:24,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:09:24,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:24,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:24,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:09:24,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:09:24,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:09:24,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:24,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:24,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:09:24,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:09:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:09:24,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:09:24,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-12 21:09:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:24,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:24,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:24,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:24,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:24,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:24,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:24,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:24,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:24,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:24,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:24,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:24,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:24,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:24,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:24,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:24,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:24,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:24,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:24,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:24,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:24,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:24,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:24,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:24,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:09:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:09:24,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:09:24,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 21:09:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:09:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:24,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:24,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:24,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:24,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:24,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:24,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:24,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:24,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:24,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:24,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:24,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231707762] [2020-10-12 21:09:24,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:24,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:09:24,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134376217] [2020-10-12 21:09:24,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:09:24,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:24,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:09:24,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:09:24,200 INFO L87 Difference]: Start difference. First operand 5448 states and 7400 transitions. Second operand 9 states. [2020-10-12 21:09:24,378 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:09:29,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:29,347 INFO L93 Difference]: Finished difference Result 12817 states and 17785 transitions. [2020-10-12 21:09:29,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:09:29,347 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2020-10-12 21:09:29,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:29,366 INFO L225 Difference]: With dead ends: 12817 [2020-10-12 21:09:29,366 INFO L226 Difference]: Without dead ends: 7396 [2020-10-12 21:09:29,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:09:29,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7396 states. [2020-10-12 21:09:30,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7396 to 5448. [2020-10-12 21:09:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5448 states. [2020-10-12 21:09:30,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5448 states to 5448 states and 7372 transitions. [2020-10-12 21:09:30,074 INFO L78 Accepts]: Start accepts. Automaton has 5448 states and 7372 transitions. Word has length 189 [2020-10-12 21:09:30,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:30,074 INFO L479 AbstractCegarLoop]: Abstraction has 5448 states and 7372 transitions. [2020-10-12 21:09:30,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:09:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 5448 states and 7372 transitions. [2020-10-12 21:09:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 21:09:30,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:30,076 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] [2020-10-12 21:09:30,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:09:30,076 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:30,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:30,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1525916018, now seen corresponding path program 1 times [2020-10-12 21:09:30,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:30,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208872308] [2020-10-12 21:09:30,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:30,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:31,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:31,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-12 21:09:35,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 21:09:35,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-12 21:09:35,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:09:35,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:35,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 227 [2020-10-12 21:09:35,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,315 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:09:35,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:35,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:09:35,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:35,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:35,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:35,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:35,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:35,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:35,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:35,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:09:35,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:09:35,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:09:35,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:09:35,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:09:35,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 21:09:35,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:09:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:09:35,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:09:35,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 21:09:35,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:35,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 21:09:35,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:35,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:35,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:09:35,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:35,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:35,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:09:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:35,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:35,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:09:35,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:35,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:35,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:09:35,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:35,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:35,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:09:35,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:35,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:35,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:09:35,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:35,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:35,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:09:35,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:35,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:35,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:09:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:35,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:35,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:09:35,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:35,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:35,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:09:35,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:09:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:09:35,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:09:35,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 21:09:35,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:09:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:35,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:35,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:35,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:35,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:35,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:35,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:35,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208872308] [2020-10-12 21:09:35,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:35,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:09:35,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410354950] [2020-10-12 21:09:35,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:09:35,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:35,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:09:35,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:09:35,635 INFO L87 Difference]: Start difference. First operand 5448 states and 7372 transitions. Second operand 9 states. [2020-10-12 21:09:35,844 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:09:39,422 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:09:45,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:45,196 INFO L93 Difference]: Finished difference Result 20114 states and 28693 transitions. [2020-10-12 21:09:45,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 21:09:45,196 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2020-10-12 21:09:45,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:45,241 INFO L225 Difference]: With dead ends: 20114 [2020-10-12 21:09:45,241 INFO L226 Difference]: Without dead ends: 14694 [2020-10-12 21:09:45,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:09:45,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14694 states. [2020-10-12 21:09:47,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14694 to 11044. [2020-10-12 21:09:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11044 states. [2020-10-12 21:09:47,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11044 states to 11044 states and 14975 transitions. [2020-10-12 21:09:47,195 INFO L78 Accepts]: Start accepts. Automaton has 11044 states and 14975 transitions. Word has length 189 [2020-10-12 21:09:47,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:47,195 INFO L479 AbstractCegarLoop]: Abstraction has 11044 states and 14975 transitions. [2020-10-12 21:09:47,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:09:47,195 INFO L276 IsEmpty]: Start isEmpty. Operand 11044 states and 14975 transitions. [2020-10-12 21:09:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-12 21:09:47,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:47,200 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:47,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:09:47,200 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:47,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:47,200 INFO L82 PathProgramCache]: Analyzing trace with hash 639617237, now seen corresponding path program 1 times [2020-10-12 21:09:47,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:47,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670894984] [2020-10-12 21:09:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:47,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:47,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:47,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:47,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:47,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:49,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:49,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:49,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:49,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:50,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:50,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:50,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:50,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:50,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:50,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:50,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 389 [2020-10-12 21:09:52,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 21:09:52,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 21:09:52,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:52,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:52,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 21:09:52,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,412 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-12 21:09:52,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:52,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:09:52,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:52,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:52,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:52,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:52,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:52,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:52,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:52,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:52,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:52,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 21:09:52,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:09:52,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:52,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 21:09:52,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:09:52,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:09:52,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:52,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:09:52,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 21:09:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:09:52,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:09:52,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 21:09:52,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:52,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:52,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:52,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:52,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:52,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:52,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:52,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:52,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:52,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:52,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:52,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:52,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:52,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:52,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:52,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:52,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:52,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:52,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:52,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:52,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:52,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:52,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:52,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:52,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:52,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:52,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:52,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:52,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:52,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:52,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:52,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:52,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:52,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:52,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:52,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:52,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:52,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:52,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:52,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:52,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:52,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:52,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:52,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:52,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:52,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:09:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 21:09:52,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:52,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:52,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 21:09:52,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:52,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 21:09:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:52,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:52,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:52,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:52,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:52,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 21:09:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 21:09:52,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:09:52,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 21:09:52,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:52,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:09:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:52,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:09:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 21:09:52,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 21:09:52,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:09:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:52,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:52,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:52,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:52,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:52,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 21:09:52,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:52,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 21:09:52,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:53,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:53,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:53,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:53,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:53,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:53,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:53,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:53,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:53,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:53,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:53,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:53,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:53,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:53,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:53,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:53,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:53,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:53,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:53,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:53,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:53,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:53,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:53,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:53,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:53,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:53,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:53,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:53,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:53,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:53,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:53,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:53,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:53,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:53,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:53,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:53,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:53,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:53,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:53,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:53,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:53,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:53,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:53,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:53,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:53,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:53,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:53,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:53,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:53,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:53,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:53,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:53,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:53,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:53,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:53,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:53,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:53,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:53,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:53,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:53,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:53,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:53,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-12 21:09:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:53,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:53,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:53,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:53,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:53,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:53,155 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-10-12 21:09:53,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [670894984] [2020-10-12 21:09:53,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:53,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:09:53,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698537662] [2020-10-12 21:09:53,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:09:53,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:53,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:09:53,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:09:53,157 INFO L87 Difference]: Start difference. First operand 11044 states and 14975 transitions. Second operand 14 states. [2020-10-12 21:09:53,352 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 21:09:54,606 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 21:09:54,784 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-12 21:09:54,972 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:09:55,151 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:09:58,094 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-12 21:09:58,268 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-12 21:09:58,449 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-12 21:09:58,619 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:10:04,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:04,291 INFO L93 Difference]: Finished difference Result 29227 states and 41214 transitions. [2020-10-12 21:10:04,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 21:10:04,291 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 313 [2020-10-12 21:10:04,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:04,340 INFO L225 Difference]: With dead ends: 29227 [2020-10-12 21:10:04,340 INFO L226 Difference]: Without dead ends: 18210 [2020-10-12 21:10:04,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=271, Invalid=851, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 21:10:04,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18210 states.