/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.10.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:07:28,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:07:28,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:07:29,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:07:29,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:07:29,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:07:29,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:07:29,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:07:29,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:07:29,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:07:29,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:07:29,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:07:29,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:07:29,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:07:29,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:07:29,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:07:29,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:07:29,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:07:29,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:07:29,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:07:29,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:07:29,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:07:29,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:07:29,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:07:29,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:07:29,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:07:29,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:07:29,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:07:29,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:07:29,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:07:29,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:07:29,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:07:29,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:07:29,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:07:29,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:07:29,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:07:29,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:07:29,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:07:29,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:07:29,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:07:29,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:07:29,084 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 21:07:29,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:07:29,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:07:29,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:07:29,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:07:29,126 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:07:29,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:07:29,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:07:29,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:07:29,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:07:29,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:07:29,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:07:29,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:07:29,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:07:29,129 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:07:29,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:07:29,130 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:07:29,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:07:29,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:07:29,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:07:29,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:07:29,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:07:29,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:07:29,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:07:29,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:07:29,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:07:29,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:07:29,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:07:29,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:07:29,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:07:29,132 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 21:07:29,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:07:29,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:07:29,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:07:29,454 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:07:29,454 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:07:29,455 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.10.cil-1.c [2020-10-12 21:07:29,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a12f521f8/b758da4742204b76a3f6c2299a395365/FLAG834782cd1 [2020-10-12 21:07:30,030 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:07:30,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.10.cil-1.c [2020-10-12 21:07:30,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a12f521f8/b758da4742204b76a3f6c2299a395365/FLAG834782cd1 [2020-10-12 21:07:30,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a12f521f8/b758da4742204b76a3f6c2299a395365 [2020-10-12 21:07:30,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:07:30,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:07:30,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:07:30,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:07:30,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:07:30,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:07:30" (1/1) ... [2020-10-12 21:07:30,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ae2273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:30, skipping insertion in model container [2020-10-12 21:07:30,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:07:30" (1/1) ... [2020-10-12 21:07:30,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:07:30,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:07:30,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:07:30,747 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:07:30,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:07:30,960 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:07:30,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:30 WrapperNode [2020-10-12 21:07:30,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:07:30,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:07:30,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:07:30,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:07:30,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:30" (1/1) ... [2020-10-12 21:07:30,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:30" (1/1) ... [2020-10-12 21:07:30,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:30" (1/1) ... [2020-10-12 21:07:30,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:30" (1/1) ... [2020-10-12 21:07:31,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:30" (1/1) ... [2020-10-12 21:07:31,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:30" (1/1) ... [2020-10-12 21:07:31,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:30" (1/1) ... [2020-10-12 21:07:31,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:07:31,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:07:31,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:07:31,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:07:31,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:30" (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 21:07:31,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:07:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:07:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:07:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:07:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:07:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:07:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:07:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-12 21:07:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-12 21:07:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-12 21:07:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-12 21:07:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-12 21:07:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-12 21:07:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-12 21:07:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:07:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:07:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:07:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:07:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-12 21:07:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-12 21:07:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-12 21:07:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-12 21:07:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-12 21:07:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-12 21:07:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-12 21:07:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:07:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:07:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:07:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:07:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:07:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:07:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:07:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:07:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:07:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:07:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:07:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:07:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:07:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:07:31,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:07:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:07:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:07:31,128 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:07:31,128 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:07:31,128 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:07:31,128 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-12 21:07:31,128 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-12 21:07:31,128 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-12 21:07:31,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-12 21:07:31,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-12 21:07:31,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-12 21:07:31,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-12 21:07:31,129 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:07:31,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:07:31,130 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:07:31,130 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:07:31,130 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:07:31,130 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:07:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-12 21:07:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-12 21:07:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-12 21:07:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-12 21:07:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-12 21:07:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-12 21:07:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-12 21:07:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:07:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:07:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:07:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:07:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:07:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:07:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:07:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:07:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:07:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:07:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:07:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:07:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:07:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:07:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:07:32,175 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:07:32,175 INFO L295 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-12 21:07:32,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:07:32 BoogieIcfgContainer [2020-10-12 21:07:32,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:07:32,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:07:32,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:07:32,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:07:32,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:07:30" (1/3) ... [2020-10-12 21:07:32,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab63e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:07:32, skipping insertion in model container [2020-10-12 21:07:32,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:30" (2/3) ... [2020-10-12 21:07:32,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab63e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:07:32, skipping insertion in model container [2020-10-12 21:07:32,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:07:32" (3/3) ... [2020-10-12 21:07:32,191 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.10.cil-1.c [2020-10-12 21:07:32,201 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:07:32,210 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:07:32,223 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:07:32,250 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:07:32,250 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:07:32,250 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:07:32,250 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:07:32,251 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:07:32,251 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:07:32,251 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:07:32,251 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:07:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states. [2020-10-12 21:07:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:07:32,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:32,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:32,300 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:32,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:32,306 INFO L82 PathProgramCache]: Analyzing trace with hash -658751810, now seen corresponding path program 1 times [2020-10-12 21:07:32,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:32,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025896484] [2020-10-12 21:07:32,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:32,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:32,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:33,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:33,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:33,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:34,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:37,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:37,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:07:37,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:07:37,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-12 21:07:37,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:37,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:37,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:37,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 21:07:37,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 21:07:38,070 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:07:38,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:38,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:38,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:38,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:38,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 21:07:38,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:38,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:38,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:38,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:38,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:38,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:38,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:38,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:38,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 35 [2020-10-12 21:07:38,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:38,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:38,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:38,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:38,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:38,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:38,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:38,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:38,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:38,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:38,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:07:38,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:38,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:07:38,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:07:38,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:38,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:07:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:38,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:38,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:07:38,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:38,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 21:07:38,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:07:38,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:38,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:07:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:38,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:07:43,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:07:43,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:07:43,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:07:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:07:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:07:43,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:43,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:43,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:43,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:43,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:43,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:43,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:43,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:43,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:43,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:43,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:43,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:07:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:43,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:43,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:07:43,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:07:43,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:07:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:43,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:07:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:43,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:07:43,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:07:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:07:43,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:43,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:07:43,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:07:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:43,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:43,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,753 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 21:07:43,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025896484] [2020-10-12 21:07:43,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:43,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:07:43,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593988243] [2020-10-12 21:07:43,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:07:43,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:43,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:07:43,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:07:43,783 INFO L87 Difference]: Start difference. First operand 421 states. Second operand 12 states. [2020-10-12 21:07:44,104 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:07:44,356 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-12 21:07:44,628 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-12 21:07:46,842 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:07:47,085 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-12 21:07:47,235 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-12 21:07:47,445 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:07:47,786 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:07:53,430 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-12 21:07:53,647 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:07:54,018 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-12 21:07:54,340 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-12 21:07:58,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:58,801 INFO L93 Difference]: Finished difference Result 1727 states and 2897 transitions. [2020-10-12 21:07:58,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:07:58,804 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 204 [2020-10-12 21:07:58,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:58,841 INFO L225 Difference]: With dead ends: 1727 [2020-10-12 21:07:58,841 INFO L226 Difference]: Without dead ends: 1315 [2020-10-12 21:07:58,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 21:07:58,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2020-10-12 21:07:59,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 816. [2020-10-12 21:07:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2020-10-12 21:07:59,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1203 transitions. [2020-10-12 21:07:59,135 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1203 transitions. Word has length 204 [2020-10-12 21:07:59,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:59,137 INFO L479 AbstractCegarLoop]: Abstraction has 816 states and 1203 transitions. [2020-10-12 21:07:59,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:07:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1203 transitions. [2020-10-12 21:07:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:07:59,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:59,153 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:59,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:07:59,154 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:59,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:59,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1392807416, now seen corresponding path program 1 times [2020-10-12 21:07:59,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:59,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513270388] [2020-10-12 21:07:59,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:59,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:03,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:04,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:08:04,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 21:08:04,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-12 21:08:04,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:04,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:04,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:04,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 21:08:04,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:04,429 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:08:04,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:04,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:04,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:04,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:04,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:08:04,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:04,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:04,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:04,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:04,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:04,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:04,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:04,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:04,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:04,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:04,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:04,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:04,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:04,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:04,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:04,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:04,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:04,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:04,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:04,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:04,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:04,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:08:04,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:04,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:08:04,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:04,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:04,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:04,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:08:04,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:04,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:08:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:04,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:04,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:08:04,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:04,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 21:08:04,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:08:04,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:04,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:08:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:04,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:06,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:09,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:09,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:09,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:09,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:09,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:09,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:09,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:09,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:09,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:09,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:09,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:09,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:08:09,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:09,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:09,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:08:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:08:09,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:08:09,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:08:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:09,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:08:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:09,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:09,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:09,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:09,996 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 21:08:09,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513270388] [2020-10-12 21:08:09,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:09,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:08:09,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249417599] [2020-10-12 21:08:10,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:08:10,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:10,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:08:10,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:08:10,003 INFO L87 Difference]: Start difference. First operand 816 states and 1203 transitions. Second operand 13 states. [2020-10-12 21:08:10,245 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:08:12,601 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:08:12,818 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-12 21:08:13,150 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:08:13,460 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:08:16,629 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-12 21:08:16,844 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-12 21:08:17,043 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-12 21:08:17,370 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-12 21:08:20,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:20,585 INFO L93 Difference]: Finished difference Result 2409 states and 3691 transitions. [2020-10-12 21:08:20,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:08:20,586 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2020-10-12 21:08:20,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:20,613 INFO L225 Difference]: With dead ends: 2409 [2020-10-12 21:08:20,613 INFO L226 Difference]: Without dead ends: 1621 [2020-10-12 21:08:20,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 21:08:20,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2020-10-12 21:08:20,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 1078. [2020-10-12 21:08:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1078 states. [2020-10-12 21:08:20,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1520 transitions. [2020-10-12 21:08:20,844 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1520 transitions. Word has length 204 [2020-10-12 21:08:20,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:20,845 INFO L479 AbstractCegarLoop]: Abstraction has 1078 states and 1520 transitions. [2020-10-12 21:08:20,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:08:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1520 transitions. [2020-10-12 21:08:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:08:20,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:20,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:20,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:08:20,849 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:20,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:20,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2051757510, now seen corresponding path program 1 times [2020-10-12 21:08:20,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:20,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968642977] [2020-10-12 21:08:20,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:20,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:20,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:23,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:08:25,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-12 21:08:25,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 21:08:25,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:25,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:25,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 21:08:25,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:26,133 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:08:26,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:26,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:26,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:26,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:26,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:26,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:08:26,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:26,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:26,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:26,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:26,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:26,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:26,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:26,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:26,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:26,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:08:26,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:26,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:26,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:26,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:26,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:26,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:26,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:26,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:26,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:26,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:26,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:26,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:26,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:26,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:26,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:08:26,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:26,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:08:26,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:26,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:08:26,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:26,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:08:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:26,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:26,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:26,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:08:26,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:26,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 21:08:26,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:08:26,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:26,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:08:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:26,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:26,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:26,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:26,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:08:28,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:08:28,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2258 [2020-10-12 21:08:28,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:08:28,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:28,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:28,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:08:28,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:28,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:28,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:28,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:08:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:08:28,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:08:28,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:08:28,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:08:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:28,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:28,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:28,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:28,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:28,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:28,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:28,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:28,965 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 21:08:28,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968642977] [2020-10-12 21:08:28,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:28,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:08:28,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102946700] [2020-10-12 21:08:28,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:08:28,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:28,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:08:28,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:08:28,969 INFO L87 Difference]: Start difference. First operand 1078 states and 1520 transitions. Second operand 13 states. [2020-10-12 21:08:29,182 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:08:30,618 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:08:30,843 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-12 21:08:31,058 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:08:31,396 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:08:37,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:37,697 INFO L93 Difference]: Finished difference Result 2823 states and 4227 transitions. [2020-10-12 21:08:37,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:08:37,698 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2020-10-12 21:08:37,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:37,709 INFO L225 Difference]: With dead ends: 2823 [2020-10-12 21:08:37,709 INFO L226 Difference]: Without dead ends: 1773 [2020-10-12 21:08:37,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:08:37,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1773 states. [2020-10-12 21:08:37,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1773 to 1098. [2020-10-12 21:08:37,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1098 states. [2020-10-12 21:08:37,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1533 transitions. [2020-10-12 21:08:37,855 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1533 transitions. Word has length 204 [2020-10-12 21:08:37,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:37,855 INFO L479 AbstractCegarLoop]: Abstraction has 1098 states and 1533 transitions. [2020-10-12 21:08:37,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:08:37,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1533 transitions. [2020-10-12 21:08:37,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:08:37,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:37,858 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:37,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:08:37,859 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:37,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:37,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1554755904, now seen corresponding path program 1 times [2020-10-12 21:08:37,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:37,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061902345] [2020-10-12 21:08:37,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:37,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:37,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:38,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:38,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:38,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:38,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:38,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:38,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:38,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:39,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:40,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:41,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:41,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:41,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:42,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:08:42,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-12 21:08:42,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 21:08:42,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:42,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:42,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:42,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-12 21:08:42,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:43,133 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:08:43,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:43,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:43,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:43,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:08:43,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:43,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:43,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:43,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:43,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:43,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:43,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:43,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:43,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:43,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:43,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:43,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:43,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:43,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:43,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:43,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:43,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:43,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:43,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:43,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:43,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:43,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:43,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:43,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:43,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:43,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:08:43,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:43,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:43,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:43,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:43,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:43,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:08:43,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:43,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:08:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:43,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:43,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:08:43,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:43,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:08:43,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:43,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:43,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:43,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:08:43,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:43,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:08:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:43,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:43,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:08:43,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:08:43,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-12 21:08:43,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:08:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:43,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:43,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:43,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:43,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:43,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:43,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:43,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:43,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:43,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:43,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:44,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:44,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:44,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:44,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:44,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:44,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:44,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:44,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:44,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:44,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:44,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:44,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:44,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:44,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:44,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:44,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:44,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:44,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:44,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:44,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:44,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:44,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:44,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:44,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:44,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:44,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:44,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:44,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:44,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:44,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:44,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:44,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:44,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:44,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:44,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:44,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:44,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:44,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:44,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:44,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:44,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:08:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:08:44,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:08:44,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:08:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:44,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:08:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:44,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:44,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:44,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:44,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:44,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:44,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:44,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:44,129 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 21:08:44,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061902345] [2020-10-12 21:08:44,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:44,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:08:44,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433810990] [2020-10-12 21:08:44,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:08:44,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:44,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:08:44,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:08:44,132 INFO L87 Difference]: Start difference. First operand 1098 states and 1533 transitions. Second operand 14 states. [2020-10-12 21:08:44,344 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:08:45,798 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:08:46,015 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-12 21:08:46,365 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:08:46,688 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:08:49,118 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-12 21:08:50,409 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:08:50,621 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-12 21:08:50,859 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:08:51,175 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:08:55,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:55,224 INFO L93 Difference]: Finished difference Result 3210 states and 4808 transitions. [2020-10-12 21:08:55,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:08:55,224 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 204 [2020-10-12 21:08:55,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:55,238 INFO L225 Difference]: With dead ends: 3210 [2020-10-12 21:08:55,238 INFO L226 Difference]: Without dead ends: 2140 [2020-10-12 21:08:55,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=313, Invalid=947, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 21:08:55,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-10-12 21:08:55,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1350. [2020-10-12 21:08:55,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2020-10-12 21:08:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1828 transitions. [2020-10-12 21:08:55,484 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1828 transitions. Word has length 204 [2020-10-12 21:08:55,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:55,484 INFO L479 AbstractCegarLoop]: Abstraction has 1350 states and 1828 transitions. [2020-10-12 21:08:55,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:08:55,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1828 transitions. [2020-10-12 21:08:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:08:55,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:55,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:55,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:08:55,488 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:55,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:55,491 INFO L82 PathProgramCache]: Analyzing trace with hash -983908998, now seen corresponding path program 1 times [2020-10-12 21:08:55,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:55,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102204718] [2020-10-12 21:08:55,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:55,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:55,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:55,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:55,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:55,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:55,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:56,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:57,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:59,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:00,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:00,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:09:00,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 21:09:00,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 21:09:00,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:00,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:00,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:00,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 21:09:00,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:00,755 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:09:00,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:00,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:00,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:00,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:00,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:09:00,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:00,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:00,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:00,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:00,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:00,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:00,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:00,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:00,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:00,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:00,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:00,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:00,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:00,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:00,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:00,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:00,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:00,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:00,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:00,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:00,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:00,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:00,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:00,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:00,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:09:00,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:00,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:09:00,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:09:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:00,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:09:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:00,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:00,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:00,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:09:00,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:00,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:09:00,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:09:00,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:00,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:09:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:00,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:00,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:09:01,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:09:01,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 21:09:01,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:01,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-12 21:09:01,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:01,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:01,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:01,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:01,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:01,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:01,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:01,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:01,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:01,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:01,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:01,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:01,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:01,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:01,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:01,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:01,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:01,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:09:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:09:01,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:09:01,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:09:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:09:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:01,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:01,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:01,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:01,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:01,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:01,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:01,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:01,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:01,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:01,192 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 21:09:01,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102204718] [2020-10-12 21:09:01,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:01,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:09:01,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605672570] [2020-10-12 21:09:01,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:09:01,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:01,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:09:01,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:09:01,195 INFO L87 Difference]: Start difference. First operand 1350 states and 1828 transitions. Second operand 14 states. [2020-10-12 21:09:01,412 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:09:03,242 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:09:03,462 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-12 21:09:03,695 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:09:04,040 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:09:08,154 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-12 21:09:08,518 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-12 21:09:09,393 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:09:09,603 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-12 21:09:09,835 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:09:10,197 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:09:14,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:14,528 INFO L93 Difference]: Finished difference Result 3900 states and 5683 transitions. [2020-10-12 21:09:14,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:09:14,528 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 204 [2020-10-12 21:09:14,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:14,544 INFO L225 Difference]: With dead ends: 3900 [2020-10-12 21:09:14,544 INFO L226 Difference]: Without dead ends: 2578 [2020-10-12 21:09:14,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 21:09:14,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2020-10-12 21:09:14,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 1612. [2020-10-12 21:09:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1612 states. [2020-10-12 21:09:14,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2127 transitions. [2020-10-12 21:09:14,811 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2127 transitions. Word has length 204 [2020-10-12 21:09:14,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:14,811 INFO L479 AbstractCegarLoop]: Abstraction has 1612 states and 2127 transitions. [2020-10-12 21:09:14,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:09:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2127 transitions. [2020-10-12 21:09:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:09:14,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:14,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:14,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:09:14,816 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:14,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:14,816 INFO L82 PathProgramCache]: Analyzing trace with hash -897166848, now seen corresponding path program 1 times [2020-10-12 21:09:14,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:14,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905756878] [2020-10-12 21:09:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:14,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:14,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:14,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:15,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:16,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:16,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:16,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:16,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:17,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:19,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:19,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:09:19,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-12 21:09:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 21:09:19,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 21:09:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,047 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:09:20,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:20,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:09:20,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:20,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:20,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:20,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:20,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:20,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:20,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:20,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:20,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:20,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:09:20,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:09:20,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:20,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:09:20,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:09:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:09:20,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:09:20,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:20,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:20,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:09:20,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:09:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:09:20,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:09:20,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:09:20,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:20,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:20,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:20,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:20,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:20,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:20,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:20,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:20,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:20,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:20,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:20,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:20,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:20,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:20,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:20,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:20,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:20,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:20,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:20,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:20,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:20,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:20,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:20,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:09:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:09:20,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:09:20,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:09:20,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:09:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:20,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:20,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:20,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:20,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:20,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:20,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:20,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:20,451 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 21:09:20,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905756878] [2020-10-12 21:09:20,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:20,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:09:20,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038921162] [2020-10-12 21:09:20,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:09:20,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:20,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:09:20,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:09:20,454 INFO L87 Difference]: Start difference. First operand 1612 states and 2127 transitions. Second operand 10 states. [2020-10-12 21:09:20,654 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:09:23,232 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-12 21:09:26,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:26,753 INFO L93 Difference]: Finished difference Result 4223 states and 5837 transitions. [2020-10-12 21:09:26,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 21:09:26,753 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-12 21:09:26,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:26,766 INFO L225 Difference]: With dead ends: 4223 [2020-10-12 21:09:26,766 INFO L226 Difference]: Without dead ends: 2639 [2020-10-12 21:09:26,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:09:26,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2020-10-12 21:09:27,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 1864. [2020-10-12 21:09:27,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1864 states. [2020-10-12 21:09:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 2416 transitions. [2020-10-12 21:09:27,053 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 2416 transitions. Word has length 204 [2020-10-12 21:09:27,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:27,054 INFO L479 AbstractCegarLoop]: Abstraction has 1864 states and 2416 transitions. [2020-10-12 21:09:27,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:09:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2416 transitions. [2020-10-12 21:09:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:09:27,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:27,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:27,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:09:27,056 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:27,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:27,057 INFO L82 PathProgramCache]: Analyzing trace with hash 633751907, now seen corresponding path program 1 times [2020-10-12 21:09:27,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:27,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339966254] [2020-10-12 21:09:27,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:27,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:27,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:28,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:30,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:31,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:09:32,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-12 21:09:32,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 21:09:32,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 21:09:32,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,299 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:09:32,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:32,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:09:32,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:32,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:32,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:09:32,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:32,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:32,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:32,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:32,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:32,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:09:32,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:09:32,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:32,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:32,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:09:32,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:09:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:09:32,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:09:32,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:32,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:32,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:09:32,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:09:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:09:32,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:09:32,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 21:09:32,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:09:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:32,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:32,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:32,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:32,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:32,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:32,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:32,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:32,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:32,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:32,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:32,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:32,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:32,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:32,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:32,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:32,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:32,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:32,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:32,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:32,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:32,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:32,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:32,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:32,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:32,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:32,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:32,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:32,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:32,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:32,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:32,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:32,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:32,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:09:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:09:32,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:09:32,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:09:32,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:09:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:32,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:32,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:32,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:32,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:32,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:32,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:32,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:32,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:32,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:32,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:32,779 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 21:09:32,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339966254] [2020-10-12 21:09:32,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:32,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:09:32,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006219013] [2020-10-12 21:09:32,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:09:32,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:32,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:09:32,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:09:32,781 INFO L87 Difference]: Start difference. First operand 1864 states and 2416 transitions. Second operand 14 states. [2020-10-12 21:09:32,994 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:09:34,642 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:09:34,855 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-12 21:09:35,066 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:09:35,413 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:09:40,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:40,752 INFO L93 Difference]: Finished difference Result 4537 states and 6193 transitions. [2020-10-12 21:09:40,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:09:40,756 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 204 [2020-10-12 21:09:40,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:40,770 INFO L225 Difference]: With dead ends: 4537 [2020-10-12 21:09:40,770 INFO L226 Difference]: Without dead ends: 2701 [2020-10-12 21:09:40,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:09:40,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2020-10-12 21:09:41,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 1874. [2020-10-12 21:09:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1874 states. [2020-10-12 21:09:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 2411 transitions. [2020-10-12 21:09:41,061 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 2411 transitions. Word has length 204 [2020-10-12 21:09:41,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:41,062 INFO L479 AbstractCegarLoop]: Abstraction has 1874 states and 2411 transitions. [2020-10-12 21:09:41,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:09:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2411 transitions. [2020-10-12 21:09:41,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:09:41,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:41,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:41,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:09:41,065 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:41,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:41,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1502465437, now seen corresponding path program 1 times [2020-10-12 21:09:41,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:41,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796566066] [2020-10-12 21:09:41,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:41,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:45,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:09:46,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 21:09:46,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 21:09:46,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 21:09:46,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,288 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:09:46,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:46,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:09:46,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:46,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:46,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:46,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:46,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:09:46,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:09:46,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:09:46,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:09:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:09:46,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:09:46,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:46,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:46,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:09:46,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:09:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:09:46,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:09:46,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:09:46,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:46,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:46,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:46,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:46,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:46,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:46,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:46,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:46,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:46,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:46,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:46,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:09:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:09:46,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:46,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:09:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:09:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:46,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:46,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:46,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:46,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:46,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:46,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:46,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:46,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:46,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:46,572 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 21:09:46,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796566066] [2020-10-12 21:09:46,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:46,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:09:46,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270955661] [2020-10-12 21:09:46,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:09:46,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:46,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:09:46,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:09:46,574 INFO L87 Difference]: Start difference. First operand 1874 states and 2411 transitions. Second operand 9 states. [2020-10-12 21:09:46,772 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:09:53,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:53,508 INFO L93 Difference]: Finished difference Result 4827 states and 6507 transitions. [2020-10-12 21:09:53,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:09:53,508 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-12 21:09:53,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:53,521 INFO L225 Difference]: With dead ends: 4827 [2020-10-12 21:09:53,522 INFO L226 Difference]: Without dead ends: 2981 [2020-10-12 21:09:53,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:09:53,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2981 states. [2020-10-12 21:09:53,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2981 to 2126. [2020-10-12 21:09:53,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2126 states. [2020-10-12 21:09:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 2126 states and 2694 transitions. [2020-10-12 21:09:53,906 INFO L78 Accepts]: Start accepts. Automaton has 2126 states and 2694 transitions. Word has length 204 [2020-10-12 21:09:53,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:53,907 INFO L479 AbstractCegarLoop]: Abstraction has 2126 states and 2694 transitions. [2020-10-12 21:09:53,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:09:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2694 transitions. [2020-10-12 21:09:53,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:09:53,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:53,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:09:53,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:09:53,909 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:53,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:53,910 INFO L82 PathProgramCache]: Analyzing trace with hash 573799450, now seen corresponding path program 1 times [2020-10-12 21:09:53,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:53,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876102481] [2020-10-12 21:09:53,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:53,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:53,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:54,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:55,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:56,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:58,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:09:58,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 21:09:58,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 21:09:58,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:58,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:09:58,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:58,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-12 21:09:58,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,163 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:09:59,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:59,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:09:59,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:59,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:59,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:59,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:59,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:59,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:59,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:59,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:59,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:09:59,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:09:59,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:09:59,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:09:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:09:59,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:09:59,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:59,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:59,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:09:59,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:09:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:09:59,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:09:59,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-12 21:09:59,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:59,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-12 21:09:59,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:59,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:59,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:59,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:59,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:59,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:59,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:59,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:59,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:59,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:59,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:59,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:59,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:59,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:59,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:59,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:59,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:59,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:59,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:59,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:59,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:59,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:59,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:59,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:59,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:59,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:59,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:59,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:59,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:59,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:59,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:59,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:59,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:59,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:59,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:59,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:59,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:59,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:59,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:59,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:59,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:59,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:59,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:59,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:09:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:09:59,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:09:59,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:59,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:09:59,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:09:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:59,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:59,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:59,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:59,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:59,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:59,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:59,611 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 21:09:59,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876102481] [2020-10-12 21:09:59,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:59,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:09:59,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191684155] [2020-10-12 21:09:59,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:09:59,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:59,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:09:59,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:09:59,614 INFO L87 Difference]: Start difference. First operand 2126 states and 2694 transitions. Second operand 13 states. [2020-10-12 21:09:59,817 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:10:01,693 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:10:01,891 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-12 21:10:02,204 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-12 21:10:02,504 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-12 21:10:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:08,172 INFO L93 Difference]: Finished difference Result 5119 states and 6815 transitions. [2020-10-12 21:10:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:10:08,173 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2020-10-12 21:10:08,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:08,188 INFO L225 Difference]: With dead ends: 5119 [2020-10-12 21:10:08,188 INFO L226 Difference]: Without dead ends: 3021 [2020-10-12 21:10:08,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 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 21:10:08,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3021 states. [2020-10-12 21:10:08,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3021 to 2136. [2020-10-12 21:10:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2136 states. [2020-10-12 21:10:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 2136 states and 2687 transitions. [2020-10-12 21:10:08,498 INFO L78 Accepts]: Start accepts. Automaton has 2136 states and 2687 transitions. Word has length 204 [2020-10-12 21:10:08,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:08,499 INFO L479 AbstractCegarLoop]: Abstraction has 2136 states and 2687 transitions. [2020-10-12 21:10:08,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:10:08,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2687 transitions. [2020-10-12 21:10:08,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:10:08,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:08,501 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:08,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:10:08,501 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:08,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:08,502 INFO L82 PathProgramCache]: Analyzing trace with hash -770942246, now seen corresponding path program 1 times [2020-10-12 21:10:08,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:08,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295463702] [2020-10-12 21:10:08,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:08,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:08,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:09,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:10,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:10:13,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 21:10:13,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 21:10:13,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:13,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:13,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 21:10:13,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,731 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:10:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:13,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:10:13,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:13,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:13,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:13,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:13,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:13,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:13,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:13,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:13,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:13,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:13,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:10:13,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:10:13,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:13,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:10:13,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:10:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:10:13,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:10:13,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:10:13,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:10:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:10:13,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:10:13,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:10:13,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:13,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:13,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:13,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:13,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:13,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:13,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:13,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:13,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:13,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:13,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:13,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:13,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:13,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:13,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:13,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:13,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:13,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:13,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:13,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:13,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:13,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:13,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:10:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:10:13,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:10:13,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:10:13,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:13,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:10:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:13,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:13,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:13,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:13,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:13,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:13,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:13,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:13,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:14,028 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 21:10:14,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295463702] [2020-10-12 21:10:14,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:14,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:10:14,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088372797] [2020-10-12 21:10:14,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:10:14,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:14,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:10:14,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:10:14,030 INFO L87 Difference]: Start difference. First operand 2136 states and 2687 transitions. Second operand 10 states. [2020-10-12 21:10:14,226 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:10:19,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:19,599 INFO L93 Difference]: Finished difference Result 5103 states and 6648 transitions. [2020-10-12 21:10:19,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:10:19,600 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-12 21:10:19,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:19,618 INFO L225 Difference]: With dead ends: 5103 [2020-10-12 21:10:19,618 INFO L226 Difference]: Without dead ends: 2995 [2020-10-12 21:10:19,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:10:19,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2995 states. [2020-10-12 21:10:19,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2995 to 2136. [2020-10-12 21:10:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2136 states. [2020-10-12 21:10:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 2136 states and 2680 transitions. [2020-10-12 21:10:19,878 INFO L78 Accepts]: Start accepts. Automaton has 2136 states and 2680 transitions. Word has length 204 [2020-10-12 21:10:19,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:19,879 INFO L479 AbstractCegarLoop]: Abstraction has 2136 states and 2680 transitions. [2020-10-12 21:10:19,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:10:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2680 transitions. [2020-10-12 21:10:19,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:10:19,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:19,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:19,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:10:19,881 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:19,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:19,881 INFO L82 PathProgramCache]: Analyzing trace with hash -257235234, now seen corresponding path program 1 times [2020-10-12 21:10:19,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:19,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359916956] [2020-10-12 21:10:19,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:20,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:21,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:24,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:24,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:10:24,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-12 21:10:24,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:10:24,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:24,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:10:24,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,102 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:10:25,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:25,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:10:25,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:25,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:25,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:25,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:25,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:25,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:25,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:25,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:25,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:10:25,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:10:25,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:25,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:10:25,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:10:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:10:25,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:10:25,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:25,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:10:25,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:10:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:10:25,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:10:25,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:10:25,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:25,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:25,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:25,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:25,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:25,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:25,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:25,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:25,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:25,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:25,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:25,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:10:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:10:25,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:25,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:10:25,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:10:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:25,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:25,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:25,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:25,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:25,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:25,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:25,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:25,394 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 21:10:25,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359916956] [2020-10-12 21:10:25,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:25,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:10:25,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857375328] [2020-10-12 21:10:25,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:10:25,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:25,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:10:25,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:10:25,397 INFO L87 Difference]: Start difference. First operand 2136 states and 2680 transitions. Second operand 9 states. [2020-10-12 21:10:25,606 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:10:31,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:31,163 INFO L93 Difference]: Finished difference Result 5103 states and 6630 transitions. [2020-10-12 21:10:31,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:10:31,163 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-12 21:10:31,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:31,177 INFO L225 Difference]: With dead ends: 5103 [2020-10-12 21:10:31,178 INFO L226 Difference]: Without dead ends: 2995 [2020-10-12 21:10:31,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:10:31,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2995 states. [2020-10-12 21:10:31,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2995 to 2136. [2020-10-12 21:10:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2136 states. [2020-10-12 21:10:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 2136 states and 2673 transitions. [2020-10-12 21:10:31,522 INFO L78 Accepts]: Start accepts. Automaton has 2136 states and 2673 transitions. Word has length 204 [2020-10-12 21:10:31,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:31,522 INFO L479 AbstractCegarLoop]: Abstraction has 2136 states and 2673 transitions. [2020-10-12 21:10:31,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:10:31,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2673 transitions. [2020-10-12 21:10:31,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:10:31,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:31,524 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:31,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:10:31,524 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:31,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:31,525 INFO L82 PathProgramCache]: Analyzing trace with hash 619883610, now seen corresponding path program 1 times [2020-10-12 21:10:31,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:31,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632044642] [2020-10-12 21:10:31,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:31,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:31,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:31,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:31,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:31,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:31,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:31,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:32,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:32,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:32,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:32,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:32,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:32,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:32,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:32,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:32,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:32,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:36,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:10:36,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 21:10:36,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 21:10:36,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:10:36,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:36,766 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:10:36,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:36,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:36,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:36,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:36,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:10:36,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:36,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:36,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:36,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:36,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:36,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:36,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:36,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:36,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:36,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:36,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:36,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:36,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:36,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:36,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:36,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:36,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:36,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:36,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:36,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:36,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:36,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:36,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:36,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:36,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:36,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:36,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:36,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:10:36,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:36,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:10:36,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:10:36,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:36,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:10:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:36,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:36,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:10:36,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:36,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:10:36,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:36,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:36,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:36,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:10:36,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:36,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:10:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:36,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:36,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:10:36,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:36,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:10:36,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:36,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:36,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:10:36,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:36,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:36,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:36,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:36,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:36,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:36,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:36,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:36,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:36,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:37,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:37,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:37,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:37,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:37,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:37,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:37,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:37,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:37,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:37,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:37,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:37,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:37,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:37,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:37,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:37,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:37,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:37,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:37,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:37,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:37,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:37,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:37,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:37,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:37,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:37,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:10:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:10:37,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:37,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:10:37,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:10:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:37,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:37,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:37,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:37,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:37,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:37,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:37,079 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 21:10:37,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632044642] [2020-10-12 21:10:37,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:37,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:10:37,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003544089] [2020-10-12 21:10:37,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:10:37,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:37,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:10:37,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:10:37,081 INFO L87 Difference]: Start difference. First operand 2136 states and 2673 transitions. Second operand 10 states. [2020-10-12 21:10:37,321 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:10:43,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:43,173 INFO L93 Difference]: Finished difference Result 5103 states and 6612 transitions. [2020-10-12 21:10:43,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:10:43,174 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-12 21:10:43,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:43,186 INFO L225 Difference]: With dead ends: 5103 [2020-10-12 21:10:43,186 INFO L226 Difference]: Without dead ends: 2995 [2020-10-12 21:10:43,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:10:43,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2995 states. [2020-10-12 21:10:43,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2995 to 2136. [2020-10-12 21:10:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2136 states. [2020-10-12 21:10:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 2136 states and 2666 transitions. [2020-10-12 21:10:43,454 INFO L78 Accepts]: Start accepts. Automaton has 2136 states and 2666 transitions. Word has length 204 [2020-10-12 21:10:43,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:43,454 INFO L479 AbstractCegarLoop]: Abstraction has 2136 states and 2666 transitions. [2020-10-12 21:10:43,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:10:43,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2666 transitions. [2020-10-12 21:10:43,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:10:43,456 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:43,456 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:43,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:10:43,457 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:43,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:43,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1499091498, now seen corresponding path program 1 times [2020-10-12 21:10:43,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:43,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884207090] [2020-10-12 21:10:43,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:43,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:43,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:44,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:10:48,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 21:10:48,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:10:48,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:48,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:48,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:10:48,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,686 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:10:48,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:48,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:10:48,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:48,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:48,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:10:48,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:48,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:48,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:48,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:10:48,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:10:48,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:10:48,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:10:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:10:48,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:10:48,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:10:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:10:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:10:48,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:10:48,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:10:48,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:48,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:48,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:48,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:10:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:10:48,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:10:48,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:10:48,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:10:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:48,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:48,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:48,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:48,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:48,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:48,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:48,985 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 21:10:48,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1884207090] [2020-10-12 21:10:48,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:48,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:10:48,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483591748] [2020-10-12 21:10:48,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:10:48,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:48,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:10:48,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:10:48,987 INFO L87 Difference]: Start difference. First operand 2136 states and 2666 transitions. Second operand 9 states. [2020-10-12 21:10:49,187 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:10:54,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:54,528 INFO L93 Difference]: Finished difference Result 5103 states and 6594 transitions. [2020-10-12 21:10:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:10:54,528 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-12 21:10:54,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:54,538 INFO L225 Difference]: With dead ends: 5103 [2020-10-12 21:10:54,538 INFO L226 Difference]: Without dead ends: 2995 [2020-10-12 21:10:54,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:10:54,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2995 states. [2020-10-12 21:10:54,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2995 to 2136. [2020-10-12 21:10:54,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2136 states. [2020-10-12 21:10:54,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 2136 states and 2659 transitions. [2020-10-12 21:10:54,828 INFO L78 Accepts]: Start accepts. Automaton has 2136 states and 2659 transitions. Word has length 204 [2020-10-12 21:10:54,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:54,829 INFO L479 AbstractCegarLoop]: Abstraction has 2136 states and 2659 transitions. [2020-10-12 21:10:54,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:10:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2659 transitions. [2020-10-12 21:10:54,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:10:54,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:54,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:54,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:10:54,831 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:54,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:54,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1540923986, now seen corresponding path program 1 times [2020-10-12 21:10:54,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:54,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201054858] [2020-10-12 21:10:54,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:55,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:59,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:59,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:10:59,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 21:10:59,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 21:10:59,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 21:10:59,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,063 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:11:00,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:00,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:11:00,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:00,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:00,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:00,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:00,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:00,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:00,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:11:00,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:00,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:00,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:11:00,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:11:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:11:00,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:11:00,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:11:00,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:11:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:11:00,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:11:00,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:11:00,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:11:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:11:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:11:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:11:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:11:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:11:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:11:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:00,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:00,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:11:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:11:00,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:00,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:11:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:11:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:00,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:00,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:00,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:00,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:00,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:00,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:00,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:00,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:00,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:00,369 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 21:11:00,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201054858] [2020-10-12 21:11:00,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:00,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:11:00,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072447614] [2020-10-12 21:11:00,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:11:00,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:00,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:11:00,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:11:00,371 INFO L87 Difference]: Start difference. First operand 2136 states and 2659 transitions. Second operand 10 states. [2020-10-12 21:11:00,584 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-12 21:11:03,444 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-12 21:11:07,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:07,099 INFO L93 Difference]: Finished difference Result 5431 states and 7085 transitions. [2020-10-12 21:11:07,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 21:11:07,100 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-12 21:11:07,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:07,112 INFO L225 Difference]: With dead ends: 5431 [2020-10-12 21:11:07,112 INFO L226 Difference]: Without dead ends: 3323 [2020-10-12 21:11:07,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:11:07,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2020-10-12 21:11:07,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 2388. [2020-10-12 21:11:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2020-10-12 21:11:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 2936 transitions. [2020-10-12 21:11:07,435 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 2936 transitions. Word has length 204 [2020-10-12 21:11:07,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:07,436 INFO L479 AbstractCegarLoop]: Abstraction has 2388 states and 2936 transitions. [2020-10-12 21:11:07,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:11:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2936 transitions. [2020-10-12 21:11:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 21:11:07,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:07,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:11:07,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 21:11:07,437 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:07,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:07,438 INFO L82 PathProgramCache]: Analyzing trace with hash 259222387, now seen corresponding path program 1 times [2020-10-12 21:11:07,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:07,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393472656] [2020-10-12 21:11:07,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:07,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:07,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:08,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:09,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-12 21:11:12,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 21:11:12,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:11:12,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:11:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 21:11:12,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,649 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:11:12,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:12,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:11:12,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:12,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:12,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:12,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:12,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:12,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:11:12,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:11:12,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:12,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:11:12,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:11:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:11:12,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:11:12,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:11:12,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:11:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:11:12,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:11:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 21:11:12,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:11:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:11:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:11:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:12,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:12,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:12,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:12,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:12,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:12,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:11:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:12,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:12,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:11:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:12,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:12,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:11:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:12,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:12,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:11:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:12,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:12,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:11:12,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:11:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:12,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:12,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:12,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:12,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:12,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:11:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:12,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:12,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:11:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:12,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:12,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:11:12,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:11:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 21:11:12,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:11:12,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 21:11:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:12,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 21:11:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:12,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:12,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:12,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:12,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:12,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:12,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:13,021 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 21:11:13,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393472656] [2020-10-12 21:11:13,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:13,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:11:13,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453003795] [2020-10-12 21:11:13,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:11:13,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:13,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:11:13,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:11:13,023 INFO L87 Difference]: Start difference. First operand 2388 states and 2936 transitions. Second operand 13 states. [2020-10-12 21:11:13,237 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 174