/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:16:59,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:16:59,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:16:59,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:16:59,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:16:59,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:16:59,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:16:59,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:16:59,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:16:59,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:16:59,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:16:59,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:16:59,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:16:59,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:16:59,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:16:59,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:16:59,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:16:59,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:16:59,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:16:59,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:16:59,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:16:59,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:16:59,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:16:59,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:16:59,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:16:59,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:16:59,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:16:59,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:16:59,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:16:59,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:16:59,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:16:59,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:16:59,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:16:59,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:16:59,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:16:59,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:16:59,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:16:59,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:16:59,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:16:59,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:16:59,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:16:59,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:17:00,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:17:00,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:17:00,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:17:00,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:17:00,006 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:17:00,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:17:00,006 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:17:00,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:17:00,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:17:00,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:17:00,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:17:00,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:17:00,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:17:00,008 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:17:00,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:17:00,008 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:17:00,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:17:00,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:17:00,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:17:00,009 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:17:00,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:17:00,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:17:00,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:17:00,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:17:00,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:17:00,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:17:00,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:17:00,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:17:00,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:17:00,011 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:17:00,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:17:00,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:17:00,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:17:00,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:17:00,496 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:17:00,497 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-21 11:17:00,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e5418511/64fca7fdd43646479001d4a89e2a88f5/FLAG7d944aafd [2020-09-21 11:17:01,207 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:17:01,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-21 11:17:01,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e5418511/64fca7fdd43646479001d4a89e2a88f5/FLAG7d944aafd [2020-09-21 11:17:01,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2e5418511/64fca7fdd43646479001d4a89e2a88f5 [2020-09-21 11:17:01,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:17:01,499 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:17:01,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:17:01,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:17:01,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:17:01,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:17:01" (1/1) ... [2020-09-21 11:17:01,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:01, skipping insertion in model container [2020-09-21 11:17:01,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:17:01" (1/1) ... [2020-09-21 11:17:01,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:17:01,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:17:01,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:17:02,007 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:17:02,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:17:02,234 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:17:02,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:02 WrapperNode [2020-09-21 11:17:02,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:17:02,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:17:02,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:17:02,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:17:02,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:02" (1/1) ... [2020-09-21 11:17:02,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:02" (1/1) ... [2020-09-21 11:17:02,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:02" (1/1) ... [2020-09-21 11:17:02,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:02" (1/1) ... [2020-09-21 11:17:02,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:02" (1/1) ... [2020-09-21 11:17:02,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:02" (1/1) ... [2020-09-21 11:17:02,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:02" (1/1) ... [2020-09-21 11:17:02,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:17:02,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:17:02,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:17:02,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:17:02,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:17:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:17:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:17:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:17:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:17:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:17:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:17:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:17:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:17:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:17:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:17:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:17:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:17:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:17:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:17:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:17:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:17:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:17:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:17:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:17:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:17:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:17:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:17:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:17:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:17:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:17:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:17:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:17:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:17:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:17:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:17:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:17:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:17:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:17:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:17:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:17:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:17:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:17:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:17:02,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:17:02,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:17:02,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:17:02,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:17:02,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:17:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:17:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:17:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:17:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:17:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:17:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:17:02,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:17:02,421 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:17:02,421 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:17:02,421 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:17:02,421 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:17:02,421 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:17:02,422 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:17:02,422 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:17:02,422 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:17:02,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:17:02,422 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:17:02,422 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:17:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:17:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:17:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:17:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:17:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:17:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:17:02,423 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:17:02,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:17:02,424 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:17:02,424 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:17:02,424 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:17:02,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:17:02,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:17:02,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:17:02,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:17:02,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:17:02,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:17:02,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:17:02,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:17:02,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:17:02,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:17:02,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:17:02,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:17:02,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:17:02,426 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:17:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:17:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:17:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:17:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:17:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:17:02,427 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:17:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:17:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:17:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:17:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:17:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:17:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:17:02,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:17:02,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:17:03,480 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:17:03,481 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:17:03,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:17:03 BoogieIcfgContainer [2020-09-21 11:17:03,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:17:03,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:17:03,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:17:03,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:17:03,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:17:01" (1/3) ... [2020-09-21 11:17:03,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d9130bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:17:03, skipping insertion in model container [2020-09-21 11:17:03,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:02" (2/3) ... [2020-09-21 11:17:03,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d9130bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:17:03, skipping insertion in model container [2020-09-21 11:17:03,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:17:03" (3/3) ... [2020-09-21 11:17:03,497 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2020-09-21 11:17:03,509 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:17:03,520 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:17:03,543 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:17:03,576 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:17:03,577 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:17:03,577 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:17:03,577 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:17:03,577 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:17:03,577 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:17:03,578 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:17:03,578 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:17:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-09-21 11:17:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:17:03,619 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:03,621 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:03,621 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:03,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:03,630 INFO L82 PathProgramCache]: Analyzing trace with hash 479094946, now seen corresponding path program 1 times [2020-09-21 11:17:03,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:03,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202327987] [2020-09-21 11:17:03,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:03,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:03,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:03,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:03,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:03,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:17:03,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:03,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:17:03,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:17:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:03,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,390 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:04,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:04,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:04,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:04,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:04,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:04,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:17:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:17:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:17:04,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:04,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:04,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202327987] [2020-09-21 11:17:04,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:04,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:17:04,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388161046] [2020-09-21 11:17:04,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:17:04,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:04,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:17:04,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:17:04,694 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 4 states. [2020-09-21 11:17:05,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:05,835 INFO L93 Difference]: Finished difference Result 335 states and 423 transitions. [2020-09-21 11:17:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:17:05,838 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:17:05,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:05,856 INFO L225 Difference]: With dead ends: 335 [2020-09-21 11:17:05,856 INFO L226 Difference]: Without dead ends: 183 [2020-09-21 11:17:05,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:17:05,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-09-21 11:17:05,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 153. [2020-09-21 11:17:05,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-21 11:17:05,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2020-09-21 11:17:05,966 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 59 [2020-09-21 11:17:05,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:05,966 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2020-09-21 11:17:05,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:17:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2020-09-21 11:17:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:17:05,971 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:05,972 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:05,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:17:05,972 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:05,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:05,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1126861649, now seen corresponding path program 1 times [2020-09-21 11:17:05,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:05,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631572043] [2020-09-21 11:17:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:06,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:17:06,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-21 11:17:06,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:06,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:06,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:17:06,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,515 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:06,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:06,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:17:06,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:06,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:06,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:06,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:06,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:06,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:06,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:06,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:06,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:06,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:06,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:06,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:06,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:06,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:06,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:06,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:06,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:06,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:17:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:06,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:17:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:06,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:06,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:06,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:06,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:06,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:06,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:06,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:06,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:06,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631572043] [2020-09-21 11:17:06,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:06,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:17:06,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623951692] [2020-09-21 11:17:06,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:17:06,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:06,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:17:06,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:17:06,718 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 5 states. [2020-09-21 11:17:07,019 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:07,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:07,933 INFO L93 Difference]: Finished difference Result 308 states and 378 transitions. [2020-09-21 11:17:07,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:17:07,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:17:07,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:07,939 INFO L225 Difference]: With dead ends: 308 [2020-09-21 11:17:07,939 INFO L226 Difference]: Without dead ends: 183 [2020-09-21 11:17:07,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:07,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-09-21 11:17:07,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 153. [2020-09-21 11:17:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-21 11:17:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 177 transitions. [2020-09-21 11:17:07,990 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 177 transitions. Word has length 64 [2020-09-21 11:17:07,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:07,991 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 177 transitions. [2020-09-21 11:17:07,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:17:07,991 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 177 transitions. [2020-09-21 11:17:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-09-21 11:17:07,994 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:07,995 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:07,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:17:07,995 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:07,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:07,996 INFO L82 PathProgramCache]: Analyzing trace with hash 266322098, now seen corresponding path program 1 times [2020-09-21 11:17:07,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:07,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042140626] [2020-09-21 11:17:07,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-09-21 11:17:08,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:08,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:17:08,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:08,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:08,357 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:08,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:08,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:08,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:08,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:08,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:17:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:08,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:08,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:17:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:17:08,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:08,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 11:17:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:08,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:08,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 11:17:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:08,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:08,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:17:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:08,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:08,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042140626] [2020-09-21 11:17:08,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:08,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:17:08,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742761215] [2020-09-21 11:17:08,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:17:08,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:08,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:17:08,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:17:08,529 INFO L87 Difference]: Start difference. First operand 153 states and 177 transitions. Second operand 6 states. [2020-09-21 11:17:09,027 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:10,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:10,193 INFO L93 Difference]: Finished difference Result 295 states and 361 transitions. [2020-09-21 11:17:10,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:17:10,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-09-21 11:17:10,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:10,198 INFO L225 Difference]: With dead ends: 295 [2020-09-21 11:17:10,198 INFO L226 Difference]: Without dead ends: 188 [2020-09-21 11:17:10,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:17:10,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-09-21 11:17:10,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 144. [2020-09-21 11:17:10,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-09-21 11:17:10,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 165 transitions. [2020-09-21 11:17:10,241 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 165 transitions. Word has length 73 [2020-09-21 11:17:10,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:10,242 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 165 transitions. [2020-09-21 11:17:10,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:17:10,242 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2020-09-21 11:17:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-09-21 11:17:10,244 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:10,244 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:10,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:17:10,245 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:10,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:10,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1745445590, now seen corresponding path program 1 times [2020-09-21 11:17:10,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:10,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990864505] [2020-09-21 11:17:10,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:10,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:10,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:10,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:10,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:10,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:17:10,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:10,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-09-21 11:17:10,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:10,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:17:10,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:10,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:17:10,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:10,966 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:10,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:11,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:17:11,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:11,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:11,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:11,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:11,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:11,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:11,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:11,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:11,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:11,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:11,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:11,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:11,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:11,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:11,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:11,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:11,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:11,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:11,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:11,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:11,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:11,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:11,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:11,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:11,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:11,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:11,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:11,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:11,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:11,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:11,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:17:11,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:11,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:11,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:17:11,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:11,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:11,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:11,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:11,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:11,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:17:11,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:11,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:11,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:11,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-21 11:17:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:11,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:11,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:17:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:11,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:11,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:11,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:11,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:11,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:11,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:11,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:11,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:11,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:11,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:11,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990864505] [2020-09-21 11:17:11,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:11,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:17:11,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669400721] [2020-09-21 11:17:11,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:17:11,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:11,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:17:11,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:17:11,214 INFO L87 Difference]: Start difference. First operand 144 states and 165 transitions. Second operand 8 states. [2020-09-21 11:17:11,675 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:13,469 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:17:14,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:14,161 INFO L93 Difference]: Finished difference Result 388 states and 478 transitions. [2020-09-21 11:17:14,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:17:14,162 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2020-09-21 11:17:14,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:14,165 INFO L225 Difference]: With dead ends: 388 [2020-09-21 11:17:14,165 INFO L226 Difference]: Without dead ends: 272 [2020-09-21 11:17:14,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:17:14,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-09-21 11:17:14,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 229. [2020-09-21 11:17:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-09-21 11:17:14,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 262 transitions. [2020-09-21 11:17:14,241 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 262 transitions. Word has length 77 [2020-09-21 11:17:14,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:14,245 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 262 transitions. [2020-09-21 11:17:14,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:17:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 262 transitions. [2020-09-21 11:17:14,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-21 11:17:14,247 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:14,248 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:14,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:17:14,248 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:14,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:14,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1775922839, now seen corresponding path program 1 times [2020-09-21 11:17:14,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:14,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133229685] [2020-09-21 11:17:14,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:14,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:14,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:14,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:14,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:14,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-21 11:17:14,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:14,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 558 [2020-09-21 11:17:14,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:14,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:17:14,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:14,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-21 11:17:14,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:15,265 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:15,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 11:17:15,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:15,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:15,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:15,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:15,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:15,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:15,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:15,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:15,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:15,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:15,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:15,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:15,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:15,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:15,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:17:15,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:15,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:17:15,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:15,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:15,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:15,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:17:15,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:15,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:15,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:15,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:15,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:15,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:17:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:15,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:15,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:15,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:17:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:15,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:15,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:15,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:15,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:15,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:15,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:15,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:15,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:15,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:15,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:15,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:17:15,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133229685] [2020-09-21 11:17:15,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:15,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:15,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349891620] [2020-09-21 11:17:15,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:15,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:15,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:15,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:15,580 INFO L87 Difference]: Start difference. First operand 229 states and 262 transitions. Second operand 9 states. [2020-09-21 11:17:16,104 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:16,875 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:17,971 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:18,352 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:18,857 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:19,165 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:19,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:19,856 INFO L93 Difference]: Finished difference Result 472 states and 570 transitions. [2020-09-21 11:17:19,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:17:19,857 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-09-21 11:17:19,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:19,861 INFO L225 Difference]: With dead ends: 472 [2020-09-21 11:17:19,861 INFO L226 Difference]: Without dead ends: 271 [2020-09-21 11:17:19,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:17:19,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-21 11:17:19,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 228. [2020-09-21 11:17:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-09-21 11:17:19,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 259 transitions. [2020-09-21 11:17:19,924 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 259 transitions. Word has length 91 [2020-09-21 11:17:19,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:19,925 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 259 transitions. [2020-09-21 11:17:19,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:19,925 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 259 transitions. [2020-09-21 11:17:19,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-21 11:17:19,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:19,927 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:19,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:17:19,927 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:19,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:19,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1230791863, now seen corresponding path program 1 times [2020-09-21 11:17:19,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:19,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987753044] [2020-09-21 11:17:19,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-21 11:17:20,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:20,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-21 11:17:20,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:20,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,297 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:20,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:20,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:20,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:20,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:20,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:20,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:20,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:17:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:20,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:20,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:20,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:20,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:17:20,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:20,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:20,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:20,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:17:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:20,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:20,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:17:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:20,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:20,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:17:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:20,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:17:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:20,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:20,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:20,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:20,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:20,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:20,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:20,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:20,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:20,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:20,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987753044] [2020-09-21 11:17:20,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:20,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:20,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411646650] [2020-09-21 11:17:20,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:20,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:20,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:20,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:20,532 INFO L87 Difference]: Start difference. First operand 228 states and 259 transitions. Second operand 9 states. [2020-09-21 11:17:21,640 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:21,936 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:22,281 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:22,591 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:23,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:23,568 INFO L93 Difference]: Finished difference Result 472 states and 573 transitions. [2020-09-21 11:17:23,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:17:23,572 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-09-21 11:17:23,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:23,575 INFO L225 Difference]: With dead ends: 472 [2020-09-21 11:17:23,575 INFO L226 Difference]: Without dead ends: 272 [2020-09-21 11:17:23,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:17:23,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-09-21 11:17:23,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 233. [2020-09-21 11:17:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-21 11:17:23,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 264 transitions. [2020-09-21 11:17:23,620 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 264 transitions. Word has length 107 [2020-09-21 11:17:23,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:23,621 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 264 transitions. [2020-09-21 11:17:23,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:23,621 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 264 transitions. [2020-09-21 11:17:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-21 11:17:23,622 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:23,623 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:23,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:17:23,623 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:23,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:23,623 INFO L82 PathProgramCache]: Analyzing trace with hash 697480839, now seen corresponding path program 1 times [2020-09-21 11:17:23,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:23,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286522736] [2020-09-21 11:17:23,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:23,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:23,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -66 [2020-09-21 11:17:23,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 66 [2020-09-21 11:17:23,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:23,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-21 11:17:23,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:23,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:17:23,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:23,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:23,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:17:23,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:23,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:23,997 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:23,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:24,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:24,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:24,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:24,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:24,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:24,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:24,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:24,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:24,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:24,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:24,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:24,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:24,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:24,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:24,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:24,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:17:24,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:24,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:24,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:24,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:24,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:17:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:24,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:24,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:24,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:17:24,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:24,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:24,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:17:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:24,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:24,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:24,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:24,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:24,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:24,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:24,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:17:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:24,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:24,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:24,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:24,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:24,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:24,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:24,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:17:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:24,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:24,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:24,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:17:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:24,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:24,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:24,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:24,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:24,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:24,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:24,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:24,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:24,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:24,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:24,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:24,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286522736] [2020-09-21 11:17:24,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:24,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:17:24,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134290882] [2020-09-21 11:17:24,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:17:24,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:24,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:17:24,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:17:24,263 INFO L87 Difference]: Start difference. First operand 233 states and 264 transitions. Second operand 8 states. [2020-09-21 11:17:25,215 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:25,521 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:25,829 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:26,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:26,845 INFO L93 Difference]: Finished difference Result 482 states and 584 transitions. [2020-09-21 11:17:26,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:17:26,851 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-09-21 11:17:26,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:26,853 INFO L225 Difference]: With dead ends: 482 [2020-09-21 11:17:26,854 INFO L226 Difference]: Without dead ends: 277 [2020-09-21 11:17:26,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:26,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-21 11:17:26,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 237. [2020-09-21 11:17:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-09-21 11:17:26,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 268 transitions. [2020-09-21 11:17:26,896 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 268 transitions. Word has length 107 [2020-09-21 11:17:26,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:26,897 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 268 transitions. [2020-09-21 11:17:26,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:17:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 268 transitions. [2020-09-21 11:17:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-21 11:17:26,898 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:26,899 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:26,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:17:26,899 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:26,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:26,900 INFO L82 PathProgramCache]: Analyzing trace with hash 456940710, now seen corresponding path program 1 times [2020-09-21 11:17:26,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:26,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422255781] [2020-09-21 11:17:26,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-21 11:17:27,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-21 11:17:27,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:17:27,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:27,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:17:27,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,453 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:27,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:17:27,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:27,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:27,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:27,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:27,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:27,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:27,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:27,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:27,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:27,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:27,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:27,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:17:27,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:17:27,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:27,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:27,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:17:27,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:27,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:27,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:17:27,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:27,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:27,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:27,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:17:27,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:27,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:17:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:27,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:17:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:27,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422255781] [2020-09-21 11:17:27,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:27,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:17:27,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043551471] [2020-09-21 11:17:27,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:17:27,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:27,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:17:27,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:27,781 INFO L87 Difference]: Start difference. First operand 237 states and 268 transitions. Second operand 7 states. [2020-09-21 11:17:28,168 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:28,812 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:30,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:30,735 INFO L93 Difference]: Finished difference Result 651 states and 808 transitions. [2020-09-21 11:17:30,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:17:30,736 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-09-21 11:17:30,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:30,740 INFO L225 Difference]: With dead ends: 651 [2020-09-21 11:17:30,740 INFO L226 Difference]: Without dead ends: 442 [2020-09-21 11:17:30,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:17:30,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-09-21 11:17:30,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 404. [2020-09-21 11:17:30,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-09-21 11:17:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 472 transitions. [2020-09-21 11:17:30,815 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 472 transitions. Word has length 107 [2020-09-21 11:17:30,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:30,815 INFO L479 AbstractCegarLoop]: Abstraction has 404 states and 472 transitions. [2020-09-21 11:17:30,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:17:30,815 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 472 transitions. [2020-09-21 11:17:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-09-21 11:17:30,817 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:30,817 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:30,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:17:30,818 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:30,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:30,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1562894580, now seen corresponding path program 1 times [2020-09-21 11:17:30,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:30,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640020694] [2020-09-21 11:17:30,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-09-21 11:17:31,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-09-21 11:17:31,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:17:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-09-21 11:17:31,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,549 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:31,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:17:31,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:31,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:31,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:31,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:31,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:31,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:31,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:31,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:31,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:31,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:31,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:31,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:31,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:31,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:31,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:17:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:31,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:31,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:17:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:31,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:31,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:17:31,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,765 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,766 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,766 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:31,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:31,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:31,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:31,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:31,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-21 11:17:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:31,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:31,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-21 11:17:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:31,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:31,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:31,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:31,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:31,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:31,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:31,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:31,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:31,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:31,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:31,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:31,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:31,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640020694] [2020-09-21 11:17:31,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:31,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:17:31,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537504451] [2020-09-21 11:17:31,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:17:31,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:31,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:17:31,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:31,914 INFO L87 Difference]: Start difference. First operand 404 states and 472 transitions. Second operand 12 states. [2020-09-21 11:17:32,467 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:33,202 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:34,267 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:34,963 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-21 11:17:35,301 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:35,651 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:35,992 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:37,531 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:37,900 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:38,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:38,749 INFO L93 Difference]: Finished difference Result 1116 states and 1385 transitions. [2020-09-21 11:17:38,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:17:38,751 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-09-21 11:17:38,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:38,762 INFO L225 Difference]: With dead ends: 1116 [2020-09-21 11:17:38,762 INFO L226 Difference]: Without dead ends: 810 [2020-09-21 11:17:38,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:17:38,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2020-09-21 11:17:38,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 700. [2020-09-21 11:17:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-09-21 11:17:38,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 810 transitions. [2020-09-21 11:17:38,926 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 810 transitions. Word has length 111 [2020-09-21 11:17:38,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:38,928 INFO L479 AbstractCegarLoop]: Abstraction has 700 states and 810 transitions. [2020-09-21 11:17:38,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:17:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 810 transitions. [2020-09-21 11:17:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-21 11:17:38,932 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:38,932 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:38,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:17:38,933 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:38,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:38,933 INFO L82 PathProgramCache]: Analyzing trace with hash 903450751, now seen corresponding path program 1 times [2020-09-21 11:17:38,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:38,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843174545] [2020-09-21 11:17:38,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:39,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -104 [2020-09-21 11:17:39,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 104 [2020-09-21 11:17:39,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-21 11:17:39,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:17:39,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:17:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-09-21 11:17:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:17:39,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,328 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:39,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:39,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:39,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:39,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:39,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:39,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:39,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:17:39,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 11:17:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:39,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:39,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:17:39,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:39,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:17:39,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:39,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:39,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:39,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:17:39,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:39,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:39,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:17:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:39,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:39,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:39,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-21 11:17:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:39,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:39,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:39,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:39,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:39,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:39,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:17:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:39,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-21 11:17:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:17:39,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:39,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:17:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:17:39,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:39,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:39,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:39,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:17:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:39,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:39,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:39,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:39,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-21 11:17:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:39,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:39,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-21 11:17:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:39,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:39,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:39,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:39,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:39,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:39,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:39,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:39,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:39,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:39,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:17:39,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843174545] [2020-09-21 11:17:39,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:39,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:17:39,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478015639] [2020-09-21 11:17:39,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:17:39,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:39,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:17:39,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:39,825 INFO L87 Difference]: Start difference. First operand 700 states and 810 transitions. Second operand 12 states. [2020-09-21 11:17:40,607 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:41,337 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:41,682 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:42,515 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:43,238 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:43,668 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:17:44,194 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:44,797 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-21 11:17:45,165 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:45,763 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:46,212 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:46,648 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:47,417 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:17:48,022 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-21 11:17:48,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:48,603 INFO L93 Difference]: Finished difference Result 1503 states and 1792 transitions. [2020-09-21 11:17:48,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:17:48,604 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 172 [2020-09-21 11:17:48,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:48,610 INFO L225 Difference]: With dead ends: 1503 [2020-09-21 11:17:48,610 INFO L226 Difference]: Without dead ends: 897 [2020-09-21 11:17:48,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 67 SyntacticMatches, 5 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=482, Invalid=1410, Unknown=0, NotChecked=0, Total=1892 [2020-09-21 11:17:48,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-09-21 11:17:48,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 818. [2020-09-21 11:17:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-09-21 11:17:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 953 transitions. [2020-09-21 11:17:48,758 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 953 transitions. Word has length 172 [2020-09-21 11:17:48,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:48,760 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 953 transitions. [2020-09-21 11:17:48,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:17:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 953 transitions. [2020-09-21 11:17:48,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-09-21 11:17:48,768 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:48,768 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:48,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:17:48,769 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:48,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:48,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1791991912, now seen corresponding path program 1 times [2020-09-21 11:17:48,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:48,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502336621] [2020-09-21 11:17:48,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 424 [2020-09-21 11:17:48,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:17:48,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:17:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-21 11:17:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:17:48,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,219 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:49,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:49,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:49,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:49,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:49,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:17:49,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:17:49,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:49,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:49,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-21 11:17:49,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:49,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:49,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:49,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:49,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:49,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:49,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:49,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:49,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:49,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:17:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:49,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:49,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:17:49,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:49,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:49,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:49,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:17:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:17:49,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:17:49,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:17:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:17:49,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:49,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:49,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:49,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:17:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:17:49,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:17:49,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:17:49,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:49,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:49,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:17:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:49,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:49,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:49,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:49,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:17:49,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:17:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:49,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:49,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:49,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:49,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:49,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-21 11:17:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:17:49,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 11:17:49,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:49,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:49,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:49,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:49,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:17:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:17:49,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:49,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:17:49,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:49,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:49,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:17:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:49,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:49,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:49,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:17:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:49,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:49,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:49,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:49,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:49,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:49,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:49,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:49,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:49,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:49,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:49,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:49,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-21 11:17:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:50,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:50,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:50,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-21 11:17:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:50,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:50,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-21 11:17:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:50,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:50,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:50,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:50,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:50,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:50,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:50,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:50,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:50,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:50,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-21 11:17:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:50,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:50,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-09-21 11:17:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:50,253 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 78 proven. 33 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2020-09-21 11:17:50,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502336621] [2020-09-21 11:17:50,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:50,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-21 11:17:50,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369670921] [2020-09-21 11:17:50,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-21 11:17:50,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:50,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-21 11:17:50,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:17:50,257 INFO L87 Difference]: Start difference. First operand 818 states and 953 transitions. Second operand 17 states. [2020-09-21 11:17:51,003 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:52,105 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:52,835 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:53,228 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:53,590 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:53,902 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:56,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:56,228 INFO L93 Difference]: Finished difference Result 1866 states and 2263 transitions. [2020-09-21 11:17:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:17:56,228 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 303 [2020-09-21 11:17:56,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:56,235 INFO L225 Difference]: With dead ends: 1866 [2020-09-21 11:17:56,235 INFO L226 Difference]: Without dead ends: 1002 [2020-09-21 11:17:56,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=364, Invalid=1196, Unknown=0, NotChecked=0, Total=1560 [2020-09-21 11:17:56,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2020-09-21 11:17:56,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 864. [2020-09-21 11:17:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2020-09-21 11:17:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1007 transitions. [2020-09-21 11:17:56,451 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1007 transitions. Word has length 303 [2020-09-21 11:17:56,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:56,451 INFO L479 AbstractCegarLoop]: Abstraction has 864 states and 1007 transitions. [2020-09-21 11:17:56,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-21 11:17:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1007 transitions. [2020-09-21 11:17:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-09-21 11:17:56,459 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:56,460 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:17:56,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:17:56,460 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:56,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:56,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1419171556, now seen corresponding path program 1 times [2020-09-21 11:17:56,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:56,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [251069604] [2020-09-21 11:17:56,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY