/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:21:01,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:21:01,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:21:01,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:21:01,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:21:01,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:21:01,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:21:01,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:21:01,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:21:01,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:21:01,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:21:01,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:21:01,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:21:01,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:21:01,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:21:01,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:21:01,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:21:01,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:21:01,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:21:01,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:21:01,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:21:01,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:21:01,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:21:01,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:21:01,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:21:01,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:21:01,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:21:01,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:21:01,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:21:01,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:21:01,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:21:01,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:21:01,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:21:01,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:21:01,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:21:01,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:21:01,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:21:01,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:21:01,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:21:01,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:21:01,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:21:01,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 10:21:01,097 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:21:01,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:21:01,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:21:01,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:21:01,099 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:21:01,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:21:01,100 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:21:01,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:21:01,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:21:01,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:21:01,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:21:01,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:21:01,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:21:01,101 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:21:01,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:21:01,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:21:01,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:21:01,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:21:01,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:21:01,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:21:01,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:21:01,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:21:01,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:21:01,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:21:01,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:21:01,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:21:01,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:21:01,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:21:01,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:21:01,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:21:01,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:21:01,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:21:01,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:21:01,469 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:21:01,470 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:21:01,470 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.11.cil.c [2020-10-14 10:21:01,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b54027113/6a9b6d50180c4949bca80ee75909bbb2/FLAG64385cef9 [2020-10-14 10:21:02,039 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:21:02,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.11.cil.c [2020-10-14 10:21:02,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b54027113/6a9b6d50180c4949bca80ee75909bbb2/FLAG64385cef9 [2020-10-14 10:21:02,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b54027113/6a9b6d50180c4949bca80ee75909bbb2 [2020-10-14 10:21:02,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:21:02,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:21:02,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:21:02,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:21:02,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:21:02,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:21:02" (1/1) ... [2020-10-14 10:21:02,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:21:02, skipping insertion in model container [2020-10-14 10:21:02,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:21:02" (1/1) ... [2020-10-14 10:21:02,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:21:02,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:21:02,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:21:02,954 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:21:03,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:21:03,141 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:21:03,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:21:03 WrapperNode [2020-10-14 10:21:03,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:21:03,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:21:03,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:21:03,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:21:03,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:21:03" (1/1) ... [2020-10-14 10:21:03,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:21:03" (1/1) ... [2020-10-14 10:21:03,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:21:03" (1/1) ... [2020-10-14 10:21:03,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:21:03" (1/1) ... [2020-10-14 10:21:03,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:21:03" (1/1) ... [2020-10-14 10:21:03,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:21:03" (1/1) ... [2020-10-14 10:21:03,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:21:03" (1/1) ... [2020-10-14 10:21:03,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:21:03,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:21:03,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:21:03,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:21:03,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:21:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:21:03,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:21:03,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:21:03,320 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-14 10:21:03,321 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-14 10:21:03,321 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-14 10:21:03,321 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-14 10:21:03,321 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-14 10:21:03,321 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-14 10:21:03,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-14 10:21:03,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-14 10:21:03,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-14 10:21:03,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-14 10:21:03,322 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-14 10:21:03,323 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-14 10:21:03,323 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-14 10:21:03,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-14 10:21:03,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-14 10:21:03,323 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-14 10:21:03,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-14 10:21:03,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-14 10:21:03,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-14 10:21:03,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-14 10:21:03,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-14 10:21:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-14 10:21:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-14 10:21:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-14 10:21:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-14 10:21:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-14 10:21:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-14 10:21:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-14 10:21:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-14 10:21:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-14 10:21:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-14 10:21:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-14 10:21:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-14 10:21:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-14 10:21:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-14 10:21:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-14 10:21:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-14 10:21:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-14 10:21:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:21:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:21:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:21:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-14 10:21:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-14 10:21:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-14 10:21:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-14 10:21:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-14 10:21:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-14 10:21:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-14 10:21:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-14 10:21:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-14 10:21:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-14 10:21:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-14 10:21:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-14 10:21:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-14 10:21:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-14 10:21:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-14 10:21:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-14 10:21:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-14 10:21:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-14 10:21:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-14 10:21:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-14 10:21:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-14 10:21:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-14 10:21:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-14 10:21:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-14 10:21:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-14 10:21:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-14 10:21:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-14 10:21:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-14 10:21:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-14 10:21:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-14 10:21:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-14 10:21:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-14 10:21:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-14 10:21:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-14 10:21:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-14 10:21:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-14 10:21:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-14 10:21:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-14 10:21:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:21:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:21:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:21:04,669 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:21:04,669 INFO L295 CfgBuilder]: Removed 15 assume(true) statements. [2020-10-14 10:21:04,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:21:04 BoogieIcfgContainer [2020-10-14 10:21:04,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:21:04,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:21:04,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:21:04,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:21:04,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:21:02" (1/3) ... [2020-10-14 10:21:04,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364de5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:21:04, skipping insertion in model container [2020-10-14 10:21:04,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:21:03" (2/3) ... [2020-10-14 10:21:04,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364de5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:21:04, skipping insertion in model container [2020-10-14 10:21:04,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:21:04" (3/3) ... [2020-10-14 10:21:04,690 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.11.cil.c [2020-10-14 10:21:04,700 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:21:04,709 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:21:04,723 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:21:04,751 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:21:04,751 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:21:04,751 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:21:04,751 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:21:04,751 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:21:04,752 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:21:04,752 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:21:04,752 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:21:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states. [2020-10-14 10:21:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-14 10:21:04,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:04,806 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:21:04,806 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:04,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:04,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1954601429, now seen corresponding path program 1 times [2020-10-14 10:21:04,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:04,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664641268] [2020-10-14 10:21:04,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:05,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:05,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:05,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:05,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:06,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:06,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:06,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:06,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:06,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:07,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:08,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:10,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:10,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-14 10:21:10,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-14 10:21:10,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 10:21:10,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:10,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:21:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:21:10,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:21:10,523 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 10:21:10,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:10,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:10,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:10,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:10,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 10:21:10,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:10,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:10,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:10,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:10,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:10,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:10,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:10,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:21:10,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:10,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:21:10,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:10,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:10,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:10,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:10,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:10,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:10,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:10,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:10,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:10,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:10,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:10,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:21:10,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:10,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:10,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:10,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:10,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:21:10,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:10,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 10:21:10,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:10,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:10,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:21:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:21:10,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:10,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 10:21:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:10,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:10,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:10,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:21:10,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:10,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:21:10,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:10,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:21:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:10,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:10,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 10:21:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:10,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:10,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 10:21:11,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:21:11,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-14 10:21:11,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-14 10:21:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:11,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:11,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:11,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:11,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:11,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:11,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:21:11,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:21:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:11,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:21:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:11,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:21:11,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:21:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:11,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:21:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:11,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:21:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:11,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 10:21:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:11,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:11,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:11,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:21:11,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 10:21:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:21:11,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 10:21:11,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:21:11,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 10:21:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:11,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:11,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:11,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:11,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:11,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:21:11,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:11,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:11,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:21:11,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664641268] [2020-10-14 10:21:11,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:11,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:21:11,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530771343] [2020-10-14 10:21:11,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:21:11,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:11,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:21:11,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:21:11,431 INFO L87 Difference]: Start difference. First operand 439 states. Second operand 8 states. [2020-10-14 10:21:11,704 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 10:21:12,181 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-14 10:21:18,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:18,554 INFO L93 Difference]: Finished difference Result 1139 states and 1864 transitions. [2020-10-14 10:21:18,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:21:18,557 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 225 [2020-10-14 10:21:18,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:18,594 INFO L225 Difference]: With dead ends: 1139 [2020-10-14 10:21:18,595 INFO L226 Difference]: Without dead ends: 706 [2020-10-14 10:21:18,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-14 10:21:18,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-10-14 10:21:18,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 430. [2020-10-14 10:21:18,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-14 10:21:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 626 transitions. [2020-10-14 10:21:18,793 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 626 transitions. Word has length 225 [2020-10-14 10:21:18,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:18,794 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 626 transitions. [2020-10-14 10:21:18,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:21:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 626 transitions. [2020-10-14 10:21:18,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-14 10:21:18,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:18,802 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:21:18,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:21:18,803 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:18,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:18,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1100061971, now seen corresponding path program 1 times [2020-10-14 10:21:18,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:18,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578329849] [2020-10-14 10:21:18,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:18,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:19,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:20,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:20,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:20,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:20,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:22,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:23,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:23,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-14 10:21:23,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-14 10:21:23,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 10:21:23,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:23,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:21:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:21:23,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,139 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 10:21:24,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:24,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:21:24,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:24,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:24,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:21:24,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:24,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:21:24,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:24,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:24,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:24,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:21:24,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:21:24,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:21:24,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:24,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 10:21:24,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:21:24,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 10:21:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:21:24,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:21:24,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:21:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:24,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 10:21:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 10:21:24,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:21:24,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-14 10:21:24,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-14 10:21:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:24,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:24,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:21:24,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:21:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:21:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:24,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:21:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:24,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:21:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:24,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:21:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:24,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 10:21:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:24,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:24,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:24,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:24,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 10:21:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:21:24,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 10:21:24,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:21:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:24,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 10:21:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:24,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:24,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:24,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:24,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:24,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:24,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:24,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:24,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:24,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:24,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:24,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:21:24,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578329849] [2020-10-14 10:21:24,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:24,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:21:24,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173875688] [2020-10-14 10:21:24,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:21:24,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:24,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:21:24,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:21:24,812 INFO L87 Difference]: Start difference. First operand 430 states and 626 transitions. Second operand 8 states. [2020-10-14 10:21:25,064 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 10:21:25,358 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-14 10:21:31,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:31,206 INFO L93 Difference]: Finished difference Result 1110 states and 1686 transitions. [2020-10-14 10:21:31,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 10:21:31,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 225 [2020-10-14 10:21:31,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:31,216 INFO L225 Difference]: With dead ends: 1110 [2020-10-14 10:21:31,217 INFO L226 Difference]: Without dead ends: 706 [2020-10-14 10:21:31,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-14 10:21:31,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2020-10-14 10:21:31,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 430. [2020-10-14 10:21:31,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-14 10:21:31,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 625 transitions. [2020-10-14 10:21:31,299 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 625 transitions. Word has length 225 [2020-10-14 10:21:31,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:31,299 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 625 transitions. [2020-10-14 10:21:31,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:21:31,300 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 625 transitions. [2020-10-14 10:21:31,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-14 10:21:31,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:31,304 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:21:31,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:21:31,304 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:31,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:31,305 INFO L82 PathProgramCache]: Analyzing trace with hash 830439855, now seen corresponding path program 1 times [2020-10-14 10:21:31,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:31,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293909312] [2020-10-14 10:21:31,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:31,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:31,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:31,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:32,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:32,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:32,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:32,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:32,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:32,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:32,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:32,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:32,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:32,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:33,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:34,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:35,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-14 10:21:36,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-14 10:21:36,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-14 10:21:36,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:21:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:21:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 10:21:36,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:36,671 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 10:21:36,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:36,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:21:36,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:36,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:36,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:36,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:21:36,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:36,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:36,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:36,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:36,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:36,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:36,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:36,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:36,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:36,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:21:36,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:21:36,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:36,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:36,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 10:21:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:36,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:21:36,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:36,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 10:21:36,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:36,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:21:36,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:36,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 10:21:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:36,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:36,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 10:21:37,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:21:37,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-14 10:21:37,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 10:21:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:37,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:37,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:37,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:37,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:37,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:37,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:21:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:37,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:21:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:37,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:21:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:37,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:21:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:37,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:21:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:37,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 10:21:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:37,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:37,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:37,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 10:21:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:21:37,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 10:21:37,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:21:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:21:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 10:21:37,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 10:21:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:37,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:37,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:37,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:37,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:37,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:21:37,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:37,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:37,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:21:37,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293909312] [2020-10-14 10:21:37,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:37,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:21:37,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157943820] [2020-10-14 10:21:37,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:21:37,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:37,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:21:37,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:21:37,605 INFO L87 Difference]: Start difference. First operand 430 states and 625 transitions. Second operand 9 states. [2020-10-14 10:21:37,835 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 10:21:38,058 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-14 10:21:39,217 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 10:21:41,760 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 10:21:50,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:21:50,747 INFO L93 Difference]: Finished difference Result 1936 states and 2959 transitions. [2020-10-14 10:21:50,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 10:21:50,747 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2020-10-14 10:21:50,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:21:50,763 INFO L225 Difference]: With dead ends: 1936 [2020-10-14 10:21:50,764 INFO L226 Difference]: Without dead ends: 1537 [2020-10-14 10:21:50,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-14 10:21:50,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2020-10-14 10:21:50,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 978. [2020-10-14 10:21:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2020-10-14 10:21:50,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1419 transitions. [2020-10-14 10:21:50,956 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1419 transitions. Word has length 225 [2020-10-14 10:21:50,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:21:50,957 INFO L479 AbstractCegarLoop]: Abstraction has 978 states and 1419 transitions. [2020-10-14 10:21:50,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:21:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1419 transitions. [2020-10-14 10:21:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-14 10:21:50,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:21:50,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:21:50,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:21:50,963 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:21:50,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:21:50,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1435941331, now seen corresponding path program 1 times [2020-10-14 10:21:50,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:21:50,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470059670] [2020-10-14 10:21:50,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:21:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:51,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:51,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:51,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:51,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:51,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:51,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:51,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:51,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:51,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:52,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:52,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:52,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:52,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:52,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:53,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:54,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:55,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-14 10:21:56,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-14 10:21:56,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 10:21:56,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:21:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:21:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-14 10:21:56,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:56,253 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 10:21:56,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:21:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:56,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 10:21:56,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:56,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:21:56,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:56,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:21:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:21:56,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:21:56,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:21:56,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:56,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:21:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:21:56,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:56,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:21:56,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:56,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:21:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:21:56,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:21:56,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:56,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:21:56,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:56,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 10:21:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:21:56,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 10:21:56,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:56,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:21:56,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:56,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 10:21:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 10:21:56,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:21:56,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-14 10:21:56,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-14 10:21:56,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:21:56,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:56,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:21:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:21:56,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:21:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:56,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:21:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:56,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:21:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:56,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:21:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:56,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:21:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:56,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:21:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:56,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:21:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:56,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:21:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:56,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:21:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:21:56,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:56,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:21:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:56,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 10:21:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:21:56,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:21:56,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:21:56,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:21:56,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:56,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 10:21:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:21:56,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:21:56,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:21:56,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:21:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 10:21:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:21:56,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:21:56,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:21:56,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:21:56,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:21:56,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:21:56,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:21:56,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:21:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:21:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:21:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:21:56,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:21:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:21:56,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470059670] [2020-10-14 10:21:56,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:21:56,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:21:56,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704583607] [2020-10-14 10:21:56,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:21:56,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:21:56,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:21:56,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:21:56,921 INFO L87 Difference]: Start difference. First operand 978 states and 1419 transitions. Second operand 9 states. [2020-10-14 10:21:57,120 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-14 10:22:01,359 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-14 10:22:09,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:22:09,153 INFO L93 Difference]: Finished difference Result 3926 states and 6114 transitions. [2020-10-14 10:22:09,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:22:09,153 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2020-10-14 10:22:09,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:22:09,174 INFO L225 Difference]: With dead ends: 3926 [2020-10-14 10:22:09,174 INFO L226 Difference]: Without dead ends: 2979 [2020-10-14 10:22:09,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:22:09,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2020-10-14 10:22:09,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 1966. [2020-10-14 10:22:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2020-10-14 10:22:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 2870 transitions. [2020-10-14 10:22:09,473 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 2870 transitions. Word has length 225 [2020-10-14 10:22:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:22:09,474 INFO L479 AbstractCegarLoop]: Abstraction has 1966 states and 2870 transitions. [2020-10-14 10:22:09,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:22:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2870 transitions. [2020-10-14 10:22:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-14 10:22:09,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:22:09,481 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:22:09,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:22:09,481 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:22:09,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:22:09,482 INFO L82 PathProgramCache]: Analyzing trace with hash -659435512, now seen corresponding path program 1 times [2020-10-14 10:22:09,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:22:09,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050133210] [2020-10-14 10:22:09,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:22:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:09,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:09,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:09,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:09,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:10,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:14,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:14,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-14 10:22:14,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:22:14,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 10:22:14,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:14,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:14,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:22:14,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 10:22:14,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 10:22:14,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:14,727 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 10:22:14,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:22:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:14,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:14,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:14,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:14,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:14,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:22:14,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:14,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:14,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:14,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:14,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:14,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:14,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:22:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:14,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:14,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:14,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:14,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:14,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:14,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:14,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:14,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:14,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:14,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:22:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:14,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:14,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:14,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:22:14,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:14,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:14,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:14,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:14,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:14,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:22:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:14,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:14,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:14,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:22:14,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:14,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:14,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:14,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:14,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:14,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:14,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:14,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:14,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 10:22:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:14,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:14,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:14,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:22:14,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:14,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:22:14,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:14,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:14,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:14,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:14,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:22:14,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:14,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 10:22:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:14,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:14,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 10:22:15,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:22:15,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 419 [2020-10-14 10:22:15,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:15,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 10:22:15,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:22:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:22:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:15,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:22:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:15,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:22:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:22:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:22:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:22:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:22:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:22:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:22:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:22:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 10:22:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:15,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:15,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 10:22:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:22:15,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 10:22:15,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:22:15,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:22:15,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 10:22:15,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 10:22:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:15,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:15,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 10:22:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:15,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:15,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 10:22:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:15,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:15,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:15,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:15,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:15,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:15,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:15,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:15,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-14 10:22:15,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050133210] [2020-10-14 10:22:15,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:22:15,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:22:15,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379592214] [2020-10-14 10:22:15,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:22:15,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:22:15,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:22:15,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:22:15,603 INFO L87 Difference]: Start difference. First operand 1966 states and 2870 transitions. Second operand 10 states. [2020-10-14 10:22:17,054 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-14 10:22:17,689 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-14 10:22:17,920 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 10:22:43,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:22:43,266 INFO L93 Difference]: Finished difference Result 11920 states and 21865 transitions. [2020-10-14 10:22:43,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 10:22:43,267 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 253 [2020-10-14 10:22:43,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:22:43,349 INFO L225 Difference]: With dead ends: 11920 [2020-10-14 10:22:43,349 INFO L226 Difference]: Without dead ends: 9985 [2020-10-14 10:22:43,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=321, Invalid=939, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 10:22:43,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9985 states. [2020-10-14 10:22:44,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9985 to 6231. [2020-10-14 10:22:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6231 states. [2020-10-14 10:22:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6231 states to 6231 states and 10167 transitions. [2020-10-14 10:22:44,576 INFO L78 Accepts]: Start accepts. Automaton has 6231 states and 10167 transitions. Word has length 253 [2020-10-14 10:22:44,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:22:44,577 INFO L479 AbstractCegarLoop]: Abstraction has 6231 states and 10167 transitions. [2020-10-14 10:22:44,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:22:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 6231 states and 10167 transitions. [2020-10-14 10:22:44,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-14 10:22:44,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:22:44,590 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:22:44,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:22:44,591 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:22:44,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:22:44,591 INFO L82 PathProgramCache]: Analyzing trace with hash 307915142, now seen corresponding path program 1 times [2020-10-14 10:22:44,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:22:44,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302295379] [2020-10-14 10:22:44,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:22:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:44,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:44,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:44,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:44,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:45,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:47,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:48,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:49,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-14 10:22:49,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-14 10:22:49,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 10:22:49,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:49,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:49,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:22:49,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-14 10:22:49,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 10:22:49,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:49,862 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 10:22:49,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:22:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:49,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:49,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:49,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:22:49,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:49,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:49,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:22:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:49,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:49,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:22:49,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:49,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:49,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:49,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:49,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:49,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:49,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:49,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:22:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:49,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:49,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:22:49,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:49,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:22:49,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:49,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:49,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:49,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:49,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:22:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:49,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:49,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:49,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:22:49,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:49,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:22:49,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:49,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:49,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:50,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 10:22:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:22:50,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:22:50,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:22:50,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:22:50,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 10:22:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 10:22:50,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:22:50,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 479 [2020-10-14 10:22:50,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:22:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 10:22:50,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:22:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:50,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:22:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:22:50,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:22:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:50,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:22:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:50,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:22:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:22:50,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:22:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:50,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:22:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:50,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:22:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:50,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:22:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:22:50,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:22:50,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:22:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:50,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:22:50,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:22:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:50,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 10:22:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:22:50,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:22:50,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:22:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 10:22:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:22:50,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 10:22:50,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:22:50,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:22:50,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 10:22:50,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 10:22:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:50,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:50,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:50,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:22:50,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 10:22:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:50,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:50,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:50,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:50,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 10:22:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:22:50,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:22:50,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:22:50,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:22:50,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:22:50,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:22:50,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:22:50,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:22:50,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:22:50,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:22:50,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:22:50,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:22:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-14 10:22:51,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302295379] [2020-10-14 10:22:51,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:22:51,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:22:51,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833473928] [2020-10-14 10:22:51,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:22:51,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:22:51,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:22:51,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:22:51,033 INFO L87 Difference]: Start difference. First operand 6231 states and 10167 transitions. Second operand 10 states. [2020-10-14 10:22:52,516 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 10:22:54,500 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-14 10:22:54,750 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 10:23:21,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:23:21,686 INFO L93 Difference]: Finished difference Result 28809 states and 67077 transitions. [2020-10-14 10:23:21,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 10:23:21,687 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 253 [2020-10-14 10:23:21,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:23:21,913 INFO L225 Difference]: With dead ends: 28809 [2020-10-14 10:23:21,913 INFO L226 Difference]: Without dead ends: 22641 [2020-10-14 10:23:21,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=321, Invalid=939, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 10:23:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22641 states. [2020-10-14 10:23:25,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22641 to 13048. [2020-10-14 10:23:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13048 states. [2020-10-14 10:23:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13048 states to 13048 states and 23550 transitions. [2020-10-14 10:23:25,771 INFO L78 Accepts]: Start accepts. Automaton has 13048 states and 23550 transitions. Word has length 253 [2020-10-14 10:23:25,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:23:25,772 INFO L479 AbstractCegarLoop]: Abstraction has 13048 states and 23550 transitions. [2020-10-14 10:23:25,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:23:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 13048 states and 23550 transitions. [2020-10-14 10:23:25,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-14 10:23:25,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:23:25,790 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:23:25,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:23:25,791 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:23:25,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:23:25,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1242493178, now seen corresponding path program 1 times [2020-10-14 10:23:25,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:23:25,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [954963621] [2020-10-14 10:23:25,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:23:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:25,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:26,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:26,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:26,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:26,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:26,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:26,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:26,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:26,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:26,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:26,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:26,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:27,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:27,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:27,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:28,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:29,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:30,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:30,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-14 10:23:30,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-14 10:23:30,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 10:23:30,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:30,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:30,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:30,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-14 10:23:30,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:23:30,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,058 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 10:23:31,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:23:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:31,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:23:31,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:23:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:31,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:23:31,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:23:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:23:31,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:23:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:23:31,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:23:31,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 10:23:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:23:31,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:23:31,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 10:23:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 10:23:31,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:23:31,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-14 10:23:31,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:23:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:23:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:23:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:23:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:23:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:23:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:31,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:23:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:23:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:23:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:23:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:23:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 10:23:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:31,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:31,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 10:23:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:23:31,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:23:31,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 10:23:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:31,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:31,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:31,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:31,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:23:31,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-14 10:23:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:31,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:31,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 10:23:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:31,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:31,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:31,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:31,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:31,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:31,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:31,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:31,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:31,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:31,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:31,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-14 10:23:31,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [954963621] [2020-10-14 10:23:31,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:23:31,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 10:23:31,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692442650] [2020-10-14 10:23:31,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:23:31,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:23:31,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:23:31,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:23:31,512 INFO L87 Difference]: Start difference. First operand 13048 states and 23550 transitions. Second operand 8 states. [2020-10-14 10:23:31,738 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-14 10:23:48,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:23:48,431 INFO L93 Difference]: Finished difference Result 46926 states and 96386 transitions. [2020-10-14 10:23:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 10:23:48,431 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 253 [2020-10-14 10:23:48,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:23:48,669 INFO L225 Difference]: With dead ends: 46926 [2020-10-14 10:23:48,669 INFO L226 Difference]: Without dead ends: 34161 [2020-10-14 10:23:48,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:23:48,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34161 states. [2020-10-14 10:23:52,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34161 to 26839. [2020-10-14 10:23:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26839 states. [2020-10-14 10:23:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26839 states to 26839 states and 53456 transitions. [2020-10-14 10:23:53,078 INFO L78 Accepts]: Start accepts. Automaton has 26839 states and 53456 transitions. Word has length 253 [2020-10-14 10:23:53,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:23:53,078 INFO L479 AbstractCegarLoop]: Abstraction has 26839 states and 53456 transitions. [2020-10-14 10:23:53,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:23:53,079 INFO L276 IsEmpty]: Start isEmpty. Operand 26839 states and 53456 transitions. [2020-10-14 10:23:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-14 10:23:53,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:23:53,111 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:23:53,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:23:53,111 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:23:53,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:23:53,111 INFO L82 PathProgramCache]: Analyzing trace with hash 942391856, now seen corresponding path program 1 times [2020-10-14 10:23:53,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:23:53,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074366412] [2020-10-14 10:23:53,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:23:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:53,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:53,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:53,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:53,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:53,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:55,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:57,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:58,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:58,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-14 10:23:58,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-14 10:23:58,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 10:23:58,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:58,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:58,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:58,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:23:58,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 10:23:58,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:58,369 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 10:23:58,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:23:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:58,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:58,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:58,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:58,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:58,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:23:58,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:58,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:58,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:58,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:58,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:58,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:58,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:23:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:58,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:58,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:58,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:23:58,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:58,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:23:58,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:58,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:58,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:58,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:58,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:23:58,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:58,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:23:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:58,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:58,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:58,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:23:58,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:58,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:58,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:58,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:23:58,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:58,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:23:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:58,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:58,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:58,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:23:58,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:58,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:23:58,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:58,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:58,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:23:58,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 10:23:58,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:23:58,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:58,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 10:23:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:58,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:58,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:58,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:23:58,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:58,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:23:58,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:58,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:58,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:58,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:23:58,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:58,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:58,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 10:23:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:58,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:58,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:58,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:58,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 10:23:59,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:23:59,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 834 [2020-10-14 10:23:59,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-14 10:23:59,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:23:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:59,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:23:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:59,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:23:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:59,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:23:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:59,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:23:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:59,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:23:59,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:23:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:59,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:23:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:59,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:23:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:59,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:23:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:59,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:23:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:59,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:23:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:59,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 10:23:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:23:59,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:59,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:23:59,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 10:23:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:23:59,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:23:59,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:23:59,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 10:23:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:59,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:23:59,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:59,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-14 10:23:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:59,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:59,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-14 10:23:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:23:59,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:23:59,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:23:59,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:23:59,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:23:59,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:23:59,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:23:59,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:23:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:23:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:23:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:23:59,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:23:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 10:23:59,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074366412] [2020-10-14 10:23:59,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:23:59,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:23:59,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854761820] [2020-10-14 10:23:59,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:23:59,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:23:59,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:23:59,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:23:59,531 INFO L87 Difference]: Start difference. First operand 26839 states and 53456 transitions. Second operand 9 states. [2020-10-14 10:23:59,761 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 10:24:00,092 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-10-14 10:24:00,244 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 10:24:11,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:24:11,787 INFO L93 Difference]: Finished difference Result 61776 states and 128149 transitions. [2020-10-14 10:24:11,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:24:11,790 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 255 [2020-10-14 10:24:11,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:24:11,998 INFO L225 Difference]: With dead ends: 61776 [2020-10-14 10:24:11,998 INFO L226 Difference]: Without dead ends: 34975 [2020-10-14 10:24:12,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:24:12,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34975 states. [2020-10-14 10:24:15,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34975 to 26296. [2020-10-14 10:24:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26296 states. [2020-10-14 10:24:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26296 states to 26296 states and 52454 transitions. [2020-10-14 10:24:15,785 INFO L78 Accepts]: Start accepts. Automaton has 26296 states and 52454 transitions. Word has length 255 [2020-10-14 10:24:15,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:24:15,785 INFO L479 AbstractCegarLoop]: Abstraction has 26296 states and 52454 transitions. [2020-10-14 10:24:15,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:24:15,785 INFO L276 IsEmpty]: Start isEmpty. Operand 26296 states and 52454 transitions. [2020-10-14 10:24:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-14 10:24:15,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:24:15,809 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:24:15,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:24:15,809 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:24:15,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:24:15,810 INFO L82 PathProgramCache]: Analyzing trace with hash 496983151, now seen corresponding path program 1 times [2020-10-14 10:24:15,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:24:15,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [471542562] [2020-10-14 10:24:15,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:24:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:15,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:15,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:16,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:17,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:17,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:17,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:17,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:17,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:17,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:17,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:17,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:17,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:17,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:17,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:18,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:18,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:18,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:18,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:18,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:18,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:18,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:20,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:20,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:20,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-14 10:24:20,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-14 10:24:20,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-14 10:24:20,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:20,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:20,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:24:20,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 10:24:20,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 10:24:20,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:24:21,137 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 10:24:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:24:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:24:21,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:24:21,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:24:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:24:21,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:24:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:24:21,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:24:21,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:24:21,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:24:21,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:24:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:24:21,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:24:21,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:24:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:24:21,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:24:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:24:21,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:24:21,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:24:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:24:21,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 10:24:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:24:21,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:24:21,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:24:21,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:24:21,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 10:24:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 10:24:21,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:24:21,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 10:24:21,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 10:24:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:24:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:24:21,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:24:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:24:21,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:24:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:24:21,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:24:21,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:24:21,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:24:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:24:21,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:24:21,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:24:21,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:24:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:24:21,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:24:21,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:24:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:24:21,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:24:21,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:24:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:24:21,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:24:21,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:24:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:24:21,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:24:21,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:24:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:24:21,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:24:21,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:24:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:24:21,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:24:21,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:24:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:24:21,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:24:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:24:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:24:21,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:24:21,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 10:24:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:24:21,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:24:21,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:24:21,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-14 10:24:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:24:21,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:24:21,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:24:21,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 10:24:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:24:21,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:24:21,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:24:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:24:21,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:24:21,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-14 10:24:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:24:21,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:24:21,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:24:21,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:24:21,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:24:21,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-14 10:24:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:24:21,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:24:21,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:24:21,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:24:21,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:24:21,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:24:21,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:24:21,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:24:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:24:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:24:21,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:24:21,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:24:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-14 10:24:21,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [471542562] [2020-10-14 10:24:21,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:24:21,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:24:21,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305218527] [2020-10-14 10:24:21,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:24:21,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:24:21,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:24:21,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:24:21,585 INFO L87 Difference]: Start difference. First operand 26296 states and 52454 transitions. Second operand 8 states. [2020-10-14 10:24:21,807 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-14 10:24:21,928 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-14 10:24:22,583 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 110