/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:53:26,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:53:26,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:53:26,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:53:26,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:53:26,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:53:26,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:53:26,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:53:26,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:53:26,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:53:26,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:53:26,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:53:26,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:53:26,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:53:26,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:53:26,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:53:26,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:53:26,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:53:26,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:53:26,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:53:26,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:53:26,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:53:26,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:53:26,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:53:26,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:53:26,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:53:26,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:53:26,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:53:26,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:53:26,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:53:26,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:53:26,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:53:26,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:53:26,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:53:26,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:53:26,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:53:26,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:53:26,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:53:26,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:53:26,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:53:26,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:53:26,332 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 [2020-09-24 15:53:26,373 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:53:26,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:53:26,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:53:26,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:53:26,378 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:53:26,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:53:26,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:53:26,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:53:26,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:53:26,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:53:26,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:53:26,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:53:26,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:53:26,382 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:53:26,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:53:26,383 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:53:26,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:53:26,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:53:26,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:53:26,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:53:26,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:53:26,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:53:26,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:53:26,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:53:26,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:53:26,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:53:26,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:53:26,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:53:26,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:53:26,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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; [2020-09-24 15:53:26,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:53:26,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:53:26,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:53:26,913 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:53:26,915 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:53:26,917 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-24 15:53:27,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fcf555937/fe4e4b01dc8e4d3cbb1184fa5efbd44e/FLAG6f354779f [2020-09-24 15:53:27,631 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:53:27,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-24 15:53:27,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fcf555937/fe4e4b01dc8e4d3cbb1184fa5efbd44e/FLAG6f354779f [2020-09-24 15:53:27,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fcf555937/fe4e4b01dc8e4d3cbb1184fa5efbd44e [2020-09-24 15:53:27,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:53:27,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:53:27,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:53:27,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:53:27,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:53:27,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:53:27" (1/1) ... [2020-09-24 15:53:27,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be095dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:27, skipping insertion in model container [2020-09-24 15:53:27,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:53:27" (1/1) ... [2020-09-24 15:53:27,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:53:27,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:53:28,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:53:28,516 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:53:28,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:53:28,689 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:53:28,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:28 WrapperNode [2020-09-24 15:53:28,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:53:28,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:53:28,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:53:28,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:53:28,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:28" (1/1) ... [2020-09-24 15:53:28,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:28" (1/1) ... [2020-09-24 15:53:28,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:28" (1/1) ... [2020-09-24 15:53:28,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:28" (1/1) ... [2020-09-24 15:53:28,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:28" (1/1) ... [2020-09-24 15:53:28,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:28" (1/1) ... [2020-09-24 15:53:28,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:28" (1/1) ... [2020-09-24 15:53:28,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:53:28,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:53:28,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:53:28,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:53:28,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:28" (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 [2020-09-24 15:53:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:53:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:53:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:53:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:53:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:53:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:53:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:53:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:53:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:53:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:53:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:53:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:53:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:53:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:53:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:53:28,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:53:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:53:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:53:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:53:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:53:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:53:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:53:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:53:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:53:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:53:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:53:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:53:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:53:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:53:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:53:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:53:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:53:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:53:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:53:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:53:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:53:28,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:53:28,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:53:28,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:53:28,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:53:28,883 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:53:28,883 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:53:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:53:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:53:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:53:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:53:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:53:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:53:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:53:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:53:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:53:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:53:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:53:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:53:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:53:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:53:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:53:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:53:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:53:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:53:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:53:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:53:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:53:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:53:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:53:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:53:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:53:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:53:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:53:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:53:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:53:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:53:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:53:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:53:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:53:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:53:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:53:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:53:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:53:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:53:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:53:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:53:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:53:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:53:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:53:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:53:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:53:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:53:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:53:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:53:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:53:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:53:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:53:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:53:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:53:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:53:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:53:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:53:30,056 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:53:30,056 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:53:30,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:53:30 BoogieIcfgContainer [2020-09-24 15:53:30,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:53:30,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:53:30,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:53:30,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:53:30,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:53:27" (1/3) ... [2020-09-24 15:53:30,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8b8e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:53:30, skipping insertion in model container [2020-09-24 15:53:30,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:53:28" (2/3) ... [2020-09-24 15:53:30,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8b8e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:53:30, skipping insertion in model container [2020-09-24 15:53:30,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:53:30" (3/3) ... [2020-09-24 15:53:30,074 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-09-24 15:53:30,086 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:53:30,098 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:53:30,121 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:53:30,154 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:53:30,154 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:53:30,154 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:53:30,154 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:53:30,154 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:53:30,154 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:53:30,155 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:53:30,155 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:53:30,182 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2020-09-24 15:53:30,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:53:30,203 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:30,205 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:30,205 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:30,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:30,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1445921999, now seen corresponding path program 1 times [2020-09-24 15:53:30,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:30,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566585888] [2020-09-24 15:53:30,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:30,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:30,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:30,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:30,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:30,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:53:30,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:30,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:53:30,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:53:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:30,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,111 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:31,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:31,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:31,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:31,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:31,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:31,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:31,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:31,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:31,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:31,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:31,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:53:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:31,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:31,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:31,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:31,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:31,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:31,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 15:53:31,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:53:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:31,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:31,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:31,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 15:53:31,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:53:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:31,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:31,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:31,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:31,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:31,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:31,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:31,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:31,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:31,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:31,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566585888] [2020-09-24 15:53:31,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:31,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:53:31,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623361185] [2020-09-24 15:53:31,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:53:31,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:31,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:53:31,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:53:31,444 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 4 states. [2020-09-24 15:53:32,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:32,841 INFO L93 Difference]: Finished difference Result 525 states and 615 transitions. [2020-09-24 15:53:32,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:53:32,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:53:32,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:32,864 INFO L225 Difference]: With dead ends: 525 [2020-09-24 15:53:32,865 INFO L226 Difference]: Without dead ends: 329 [2020-09-24 15:53:32,871 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 [2020-09-24 15:53:32,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-09-24 15:53:32,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 281. [2020-09-24 15:53:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-24 15:53:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 306 transitions. [2020-09-24 15:53:32,983 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 306 transitions. Word has length 160 [2020-09-24 15:53:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:32,984 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 306 transitions. [2020-09-24 15:53:32,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:53:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 306 transitions. [2020-09-24 15:53:32,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:53:32,990 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:32,991 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:32,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:53:32,991 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:32,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:32,992 INFO L82 PathProgramCache]: Analyzing trace with hash -345471189, now seen corresponding path program 1 times [2020-09-24 15:53:32,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:32,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137641010] [2020-09-24 15:53:32,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:53:33,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:53:33,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:33,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:53:33,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:33,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,484 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:33,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:33,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:33,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:33,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:33,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:33,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:33,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:33,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:33,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:33,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:33,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:33,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:33,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:33,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:33,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:53:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:33,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:33,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:33,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:33,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:33,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:33,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:33,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:33,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:33,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:33,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:33,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1137641010] [2020-09-24 15:53:33,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:33,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:53:33,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387364941] [2020-09-24 15:53:33,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:53:33,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:33,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:53:33,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:53:33,697 INFO L87 Difference]: Start difference. First operand 281 states and 306 transitions. Second operand 5 states. [2020-09-24 15:53:34,370 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:35,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:35,520 INFO L93 Difference]: Finished difference Result 450 states and 507 transitions. [2020-09-24 15:53:35,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:53:35,520 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:53:35,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:35,526 INFO L225 Difference]: With dead ends: 450 [2020-09-24 15:53:35,526 INFO L226 Difference]: Without dead ends: 318 [2020-09-24 15:53:35,530 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 [2020-09-24 15:53:35,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-24 15:53:35,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 271. [2020-09-24 15:53:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-09-24 15:53:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 293 transitions. [2020-09-24 15:53:35,582 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 293 transitions. Word has length 161 [2020-09-24 15:53:35,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:35,583 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 293 transitions. [2020-09-24 15:53:35,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:53:35,583 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 293 transitions. [2020-09-24 15:53:35,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:53:35,586 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:35,586 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:35,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:53:35,587 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:35,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:35,587 INFO L82 PathProgramCache]: Analyzing trace with hash 527888294, now seen corresponding path program 1 times [2020-09-24 15:53:35,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:35,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383823017] [2020-09-24 15:53:35,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:35,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:35,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:53:35,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:53:35,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:35,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:53:35,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:35,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:35,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:35,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:35,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:53:35,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:53:35,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,009 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:36,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:36,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:36,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:36,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:36,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:36,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:36,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:36,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:36,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:36,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:36,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:36,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:36,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:36,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:36,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:53:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:36,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:53:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:36,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:36,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:36,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:36,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:36,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:36,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:36,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:36,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:36,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:36,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:36,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:36,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:36,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383823017] [2020-09-24 15:53:36,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:36,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:53:36,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024656571] [2020-09-24 15:53:36,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:53:36,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:36,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:53:36,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:53:36,193 INFO L87 Difference]: Start difference. First operand 271 states and 293 transitions. Second operand 6 states. [2020-09-24 15:53:36,846 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:38,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:38,195 INFO L93 Difference]: Finished difference Result 497 states and 572 transitions. [2020-09-24 15:53:38,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:53:38,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:53:38,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:38,204 INFO L225 Difference]: With dead ends: 497 [2020-09-24 15:53:38,204 INFO L226 Difference]: Without dead ends: 341 [2020-09-24 15:53:38,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:38,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-09-24 15:53:38,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 271. [2020-09-24 15:53:38,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-09-24 15:53:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 292 transitions. [2020-09-24 15:53:38,282 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 292 transitions. Word has length 174 [2020-09-24 15:53:38,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:38,285 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 292 transitions. [2020-09-24 15:53:38,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:53:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 292 transitions. [2020-09-24 15:53:38,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-24 15:53:38,289 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:38,290 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:38,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:53:38,290 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:38,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:38,290 INFO L82 PathProgramCache]: Analyzing trace with hash -59747891, now seen corresponding path program 1 times [2020-09-24 15:53:38,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:38,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205316670] [2020-09-24 15:53:38,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-09-24 15:53:38,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:53:38,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:53:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:53:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:53:38,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:38,792 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:38,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:38,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:38,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:38,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:38,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:53:38,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:38,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:38,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:38,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:38,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:38,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:38,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:38,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:38,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:38,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:38,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:38,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:38,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:38,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:38,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:38,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:38,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:38,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:38,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:38,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:38,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:38,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:38,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:38,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:38,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:38,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:38,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:38,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:38,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:38,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:38,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:38,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:38,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:38,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:38,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:38,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:38,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:38,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:53:38,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:38,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:53:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:38,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:38,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:38,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:38,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:38,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:38,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:38,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:53:38,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:38,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:38,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:38,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:53:38,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:39,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:39,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:39,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:39,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-24 15:53:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:39,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:39,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-24 15:53:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:39,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:39,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:39,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205316670] [2020-09-24 15:53:39,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:39,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:53:39,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671256323] [2020-09-24 15:53:39,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:53:39,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:39,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:53:39,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:53:39,121 INFO L87 Difference]: Start difference. First operand 271 states and 292 transitions. Second operand 8 states. [2020-09-24 15:53:39,633 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:41,705 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:42,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:42,372 INFO L93 Difference]: Finished difference Result 699 states and 829 transitions. [2020-09-24 15:53:42,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:53:42,373 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-09-24 15:53:42,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:42,378 INFO L225 Difference]: With dead ends: 699 [2020-09-24 15:53:42,378 INFO L226 Difference]: Without dead ends: 543 [2020-09-24 15:53:42,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:53:42,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-09-24 15:53:42,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 405. [2020-09-24 15:53:42,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-24 15:53:42,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 437 transitions. [2020-09-24 15:53:42,439 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 437 transitions. Word has length 187 [2020-09-24 15:53:42,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:42,439 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 437 transitions. [2020-09-24 15:53:42,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:53:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 437 transitions. [2020-09-24 15:53:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-24 15:53:42,442 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:42,443 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:42,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:53:42,443 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:42,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:42,444 INFO L82 PathProgramCache]: Analyzing trace with hash -476532751, now seen corresponding path program 1 times [2020-09-24 15:53:42,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:42,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398339346] [2020-09-24 15:53:42,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:42,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:42,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -93 [2020-09-24 15:53:42,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 93 [2020-09-24 15:53:42,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:42,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-24 15:53:42,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:42,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:42,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-24 15:53:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:42,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:42,890 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:42,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:42,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:42,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:42,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:42,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:42,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:42,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:42,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:42,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:42,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:42,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:42,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:42,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:42,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:42,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:42,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:42,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:42,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:42,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:42,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:42,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:42,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:42,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:42,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:42,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:42,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:42,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:42,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:42,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:42,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:42,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:42,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:42,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:42,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:42,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:42,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:42,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:42,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:42,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:42,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:42,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:42,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:42,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:42,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:42,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:42,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:42,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:42,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:42,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:42,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:42,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:42,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:42,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:42,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:42,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:42,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:42,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:42,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:42,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:42,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:42,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:42,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:42,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:42,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:42,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:42,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:42,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:42,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:42,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:42,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:42,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:42,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:42,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:42,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:42,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:42,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:42,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:42,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:42,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:42,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:42,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:42,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:42,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:42,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:42,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:42,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:42,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:42,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:42,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:42,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:42,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:42,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:42,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:42,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:42,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:42,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:42,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:42,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:42,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:42,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:42,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:42,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:43,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:43,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:43,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:43,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:43,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:43,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:53:43,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:43,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:53:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:43,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:43,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:43,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:43,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:43,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:43,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:53:43,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:43,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:43,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:43,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:43,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:43,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:43,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:43,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:43,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:43,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:43,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:43,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:43,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:43,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:53:43,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:43,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:43,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:43,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:43,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:43,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:43,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:43,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:43,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:43,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:43,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:43,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:43,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:43,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:43,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:43,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:43,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:43,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:43,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:43,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:43,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:53:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:43,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:43,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:53:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:43,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:43,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:43,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:43,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:43,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:43,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:43,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:43,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:43,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 15:53:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:43,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:43,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:43,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:43,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:43,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:43,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:43,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:43,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:43,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:43,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:43,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:43,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:43,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398339346] [2020-09-24 15:53:43,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:43,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:43,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679658123] [2020-09-24 15:53:43,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:43,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:43,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:43,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:43,198 INFO L87 Difference]: Start difference. First operand 405 states and 437 transitions. Second operand 10 states. [2020-09-24 15:53:44,539 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:44,882 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:45,210 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:45,529 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:45,812 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:46,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:46,929 INFO L93 Difference]: Finished difference Result 838 states and 987 transitions. [2020-09-24 15:53:46,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:53:46,929 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2020-09-24 15:53:46,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:46,937 INFO L225 Difference]: With dead ends: 838 [2020-09-24 15:53:46,937 INFO L226 Difference]: Without dead ends: 548 [2020-09-24 15:53:46,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:53:46,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-09-24 15:53:47,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 411. [2020-09-24 15:53:47,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-09-24 15:53:47,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 443 transitions. [2020-09-24 15:53:47,021 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 443 transitions. Word has length 211 [2020-09-24 15:53:47,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:47,022 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 443 transitions. [2020-09-24 15:53:47,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:47,022 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 443 transitions. [2020-09-24 15:53:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-24 15:53:47,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:47,026 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:47,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:53:47,026 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:47,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:47,027 INFO L82 PathProgramCache]: Analyzing trace with hash 497337425, now seen corresponding path program 1 times [2020-09-24 15:53:47,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:47,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1133000755] [2020-09-24 15:53:47,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-24 15:53:47,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 15:53:47,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:53:47,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:53:47,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-09-24 15:53:47,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,513 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:47,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:47,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:53:47,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:47,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:47,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:47,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:47,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:47,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:47,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:47,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:47,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:47,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:47,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:47,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:47,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:47,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:47,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:53:47,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:47,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:53:47,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:47,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:53:47,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:47,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:47,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:47,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:47,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:53:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:47,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:47,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 15:53:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:47,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:47,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:47,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:47,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:47,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:47,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:47,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:47,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:47,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:47,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:47,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:47,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:47,862 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:53:47,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1133000755] [2020-09-24 15:53:47,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:47,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:53:47,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171127533] [2020-09-24 15:53:47,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:53:47,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:47,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:53:47,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:47,866 INFO L87 Difference]: Start difference. First operand 411 states and 443 transitions. Second operand 11 states. [2020-09-24 15:53:48,602 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:49,545 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:50,114 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-24 15:53:51,371 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:51,688 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:52,074 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:52,824 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:53,148 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:53,465 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:54,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:54,325 INFO L93 Difference]: Finished difference Result 844 states and 982 transitions. [2020-09-24 15:53:54,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:53:54,326 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-09-24 15:53:54,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:54,331 INFO L225 Difference]: With dead ends: 844 [2020-09-24 15:53:54,331 INFO L226 Difference]: Without dead ends: 548 [2020-09-24 15:53:54,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-24 15:53:54,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-09-24 15:53:54,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 410. [2020-09-24 15:53:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-24 15:53:54,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 440 transitions. [2020-09-24 15:53:54,381 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 440 transitions. Word has length 211 [2020-09-24 15:53:54,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:54,382 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 440 transitions. [2020-09-24 15:53:54,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:53:54,382 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 440 transitions. [2020-09-24 15:53:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-24 15:53:54,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:54,384 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:54,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:53:54,385 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:54,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:54,385 INFO L82 PathProgramCache]: Analyzing trace with hash -217934529, now seen corresponding path program 1 times [2020-09-24 15:53:54,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:54,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800847765] [2020-09-24 15:53:54,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:54,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:54,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:54,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:54,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:54,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-24 15:53:54,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:54,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:54,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:54,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:54,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-09-24 15:53:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:54,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:54,740 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:54,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:54,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:54,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:54,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:54,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:54,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:54,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:54,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:54,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:54,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:54,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:54,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:54,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:54,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:54,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:54,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:54,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:54,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:54,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:54,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:54,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:54,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:54,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:54,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:54,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:54,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:54,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:54,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:54,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:54,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:54,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:54,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:54,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:54,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:54,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:54,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:54,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:54,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:54,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:54,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:54,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:54,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:54,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:54,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:54,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:54,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:54,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:54,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:54,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:54,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:54,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:54,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:54,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:54,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:54,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:54,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:54,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:54,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:54,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:54,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:54,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:54,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:54,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:54,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:54,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:54,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:54,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:54,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:54,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:54,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:54,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:54,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:54,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:53:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:54,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:54,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:54,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:54,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:54,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:54,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:54,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:54,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:54,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:54,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:54,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:54,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:54,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:54,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:54,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:54,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:54,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:54,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:54,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:54,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:54,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:54,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:54,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:54,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:54,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:54,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:54,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:54,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:54,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:54,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:54,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:54,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:53:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:53:55,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:55,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:53:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:55,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:55,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:53:55,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:55,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:53:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:55,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:55,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:55,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:55,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:53:55,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:55,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:55,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:55,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:53:55,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:55,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:53:55,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:55,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:53:55,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:55,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:53:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:55,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:53:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:55,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:53:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:55,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:55,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:53:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:55,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:55,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:55,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:55,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:55,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:55,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:55,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:55,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:55,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:55,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:55,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:55,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:55,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [800847765] [2020-09-24 15:53:55,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:55,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:53:55,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822872771] [2020-09-24 15:53:55,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:53:55,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:55,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:53:55,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:53:55,271 INFO L87 Difference]: Start difference. First operand 410 states and 440 transitions. Second operand 11 states. [2020-09-24 15:53:56,842 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:57,171 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:57,522 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 15:53:57,889 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:58,224 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:58,528 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:59,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:59,912 INFO L93 Difference]: Finished difference Result 847 states and 991 transitions. [2020-09-24 15:53:59,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:53:59,913 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-09-24 15:53:59,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:59,916 INFO L225 Difference]: With dead ends: 847 [2020-09-24 15:53:59,917 INFO L226 Difference]: Without dead ends: 552 [2020-09-24 15:53:59,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:53:59,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-09-24 15:53:59,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2020-09-24 15:53:59,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-09-24 15:53:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 448 transitions. [2020-09-24 15:53:59,976 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 448 transitions. Word has length 234 [2020-09-24 15:53:59,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:59,977 INFO L479 AbstractCegarLoop]: Abstraction has 418 states and 448 transitions. [2020-09-24 15:53:59,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:53:59,977 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 448 transitions. [2020-09-24 15:53:59,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-24 15:53:59,979 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:59,979 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:59,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:53:59,980 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:59,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:59,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1176917148, now seen corresponding path program 1 times [2020-09-24 15:53:59,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:59,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496328690] [2020-09-24 15:53:59,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-24 15:54:00,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:54:00,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:54:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:54:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:54:00,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,381 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:00,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:00,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:54:00,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:00,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:00,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:00,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:00,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:00,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:00,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:00,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:00,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:00,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:00,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:00,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:00,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:00,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:00,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:00,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:00,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:54:00,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:54:00,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:54:00,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:00,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:54:00,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:00,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:00,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:00,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:00,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:00,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:00,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:00,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:00,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:00,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:54:00,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:00,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:00,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:54:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:00,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:54:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:00,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:00,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:00,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:00,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:00,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:00,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:00,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:00,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:00,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:00,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:00,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:00,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:00,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496328690] [2020-09-24 15:54:00,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:00,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:54:00,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122610321] [2020-09-24 15:54:00,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:54:00,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:00,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:54:00,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:54:00,879 INFO L87 Difference]: Start difference. First operand 418 states and 448 transitions. Second operand 8 states. [2020-09-24 15:54:01,582 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:02,250 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:05,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:05,121 INFO L93 Difference]: Finished difference Result 1183 states and 1420 transitions. [2020-09-24 15:54:05,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 15:54:05,122 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-09-24 15:54:05,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:05,128 INFO L225 Difference]: With dead ends: 1183 [2020-09-24 15:54:05,128 INFO L226 Difference]: Without dead ends: 880 [2020-09-24 15:54:05,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:54:05,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-09-24 15:54:05,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 673. [2020-09-24 15:54:05,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-09-24 15:54:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 740 transitions. [2020-09-24 15:54:05,218 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 740 transitions. Word has length 234 [2020-09-24 15:54:05,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:05,218 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 740 transitions. [2020-09-24 15:54:05,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:54:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 740 transitions. [2020-09-24 15:54:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 15:54:05,221 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:05,221 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:05,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:54:05,222 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:05,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:05,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1214461665, now seen corresponding path program 1 times [2020-09-24 15:54:05,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:05,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550043538] [2020-09-24 15:54:05,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:05,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -58 [2020-09-24 15:54:05,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 58 [2020-09-24 15:54:05,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:54:05,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-24 15:54:05,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:54:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:54:05,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-09-24 15:54:05,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,802 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:05,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:05,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:05,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:54:05,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:05,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:05,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:05,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:05,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:05,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:05,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:05,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:05,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:05,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:05,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:05,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:05,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:05,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:05,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:05,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:05,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:05,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:05,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:05,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:05,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:05,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:05,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:05,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:05,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:05,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:54:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:05,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:06,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:06,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:54:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:06,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:06,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:06,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:06,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:06,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:54:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:06,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:54:06,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:54:06,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:06,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:06,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:06,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:06,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:06,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:06,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:06,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:06,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:06,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:06,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:06,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:06,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:06,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:06,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:06,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:06,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:06,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:06,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:54:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:06,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:06,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:06,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:54:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:06,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:06,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:06,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:06,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:06,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:06,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:06,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:06,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:06,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:06,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:06,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:06,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:06,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550043538] [2020-09-24 15:54:06,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:06,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:54:06,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139352796] [2020-09-24 15:54:06,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:54:06,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:06,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:54:06,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:54:06,235 INFO L87 Difference]: Start difference. First operand 673 states and 740 transitions. Second operand 15 states. [2020-09-24 15:54:06,867 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:07,742 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:09,709 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-24 15:54:10,352 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-24 15:54:10,672 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:11,030 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:11,412 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:11,730 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:13,950 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:14,263 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:54:14,574 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:15,312 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:54:16,249 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-24 15:54:17,655 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-24 15:54:18,274 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:54:19,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:19,127 INFO L93 Difference]: Finished difference Result 2098 states and 2507 transitions. [2020-09-24 15:54:19,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-24 15:54:19,129 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-09-24 15:54:19,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:19,139 INFO L225 Difference]: With dead ends: 2098 [2020-09-24 15:54:19,140 INFO L226 Difference]: Without dead ends: 1647 [2020-09-24 15:54:19,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=773, Invalid=2887, Unknown=0, NotChecked=0, Total=3660 [2020-09-24 15:54:19,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2020-09-24 15:54:19,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1209. [2020-09-24 15:54:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2020-09-24 15:54:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1316 transitions. [2020-09-24 15:54:19,290 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1316 transitions. Word has length 239 [2020-09-24 15:54:19,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:19,290 INFO L479 AbstractCegarLoop]: Abstraction has 1209 states and 1316 transitions. [2020-09-24 15:54:19,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:54:19,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1316 transitions. [2020-09-24 15:54:19,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-09-24 15:54:19,294 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:19,294 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:19,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:54:19,295 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:19,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:19,295 INFO L82 PathProgramCache]: Analyzing trace with hash 2117034326, now seen corresponding path program 1 times [2020-09-24 15:54:19,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:19,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456005882] [2020-09-24 15:54:19,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:19,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -146 [2020-09-24 15:54:19,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 146 [2020-09-24 15:54:19,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 404 [2020-09-24 15:54:19,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:54:19,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:54:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-09-24 15:54:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-09-24 15:54:19,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,690 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:19,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:19,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:19,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:19,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:19,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:19,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:19,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-24 15:54:19,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:19,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:19,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:19,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:19,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:19,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:19,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:19,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:19,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:19,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:19,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:54:19,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:19,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:19,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 15:54:19,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:19,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:19,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:19,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:19,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:54:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:54:19,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:19,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 15:54:19,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:19,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:19,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 15:54:19,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:19,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:19,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:19,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:19,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:19,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:19,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:19,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:54:19,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:19,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:19,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:19,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:19,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:19,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:19,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:19,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:19,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:19,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-24 15:54:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:54:19,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:19,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:54:19,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:19,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:19,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:19,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:19,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 15:54:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:20,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 15:54:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:20,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:20,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:20,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:20,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:20,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:20,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:20,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 15:54:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:20,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:20,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:20,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-24 15:54:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:20,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:20,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:54:20,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:20,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:20,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:54:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:54:20,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:20,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-24 15:54:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:20,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:20,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:20,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-24 15:54:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:20,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:20,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,261 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-24 15:54:20,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456005882] [2020-09-24 15:54:20,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:54:20,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:54:20,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188502975] [2020-09-24 15:54:20,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:54:20,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:20,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:54:20,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:54:20,264 INFO L87 Difference]: Start difference. First operand 1209 states and 1316 transitions. Second operand 15 states. [2020-09-24 15:54:20,937 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 196