/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_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:47:34,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:47:34,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:47:34,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:47:34,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:47:34,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:47:34,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:47:34,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:47:34,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:47:34,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:47:34,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:47:34,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:47:34,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:47:34,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:47:34,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:47:34,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:47:34,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:47:34,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:47:34,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:47:34,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:47:34,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:47:34,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:47:34,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:47:34,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:47:34,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:47:34,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:47:34,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:47:34,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:47:34,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:47:34,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:47:34,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:47:34,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:47:34,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:47:34,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:47:34,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:47:34,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:47:34,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:47:34,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:47:34,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:47:34,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:47:34,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:47:34,266 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 15:47:34,310 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:47:34,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:47:34,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:47:34,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:47:34,313 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:47:34,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:47:34,313 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:47:34,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:47:34,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:47:34,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:47:34,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:47:34,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:47:34,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:47:34,316 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:47:34,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:47:34,316 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:47:34,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:47:34,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:47:34,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:47:34,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:47:34,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:47:34,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:47:34,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:47:34,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:47:34,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:47:34,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:47:34,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:47:34,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:47:34,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:47:34,319 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 15:47:34,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:47:34,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:47:34,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:47:34,805 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:47:34,807 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:47:34,808 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-09-24 15:47:34,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09a89cb63/3d759445a0974439bc27151279b502cc/FLAGf9f8380db [2020-09-24 15:47:35,553 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:47:35,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2020-09-24 15:47:35,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09a89cb63/3d759445a0974439bc27151279b502cc/FLAGf9f8380db [2020-09-24 15:47:35,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09a89cb63/3d759445a0974439bc27151279b502cc [2020-09-24 15:47:35,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:47:35,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:47:35,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:47:35,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:47:35,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:47:35,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:47:35" (1/1) ... [2020-09-24 15:47:35,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fd97d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:35, skipping insertion in model container [2020-09-24 15:47:35,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:47:35" (1/1) ... [2020-09-24 15:47:35,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:47:35,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:47:36,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:47:36,362 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:47:36,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:47:36,509 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:47:36,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:36 WrapperNode [2020-09-24 15:47:36,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:47:36,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:47:36,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:47:36,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:47:36,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:36" (1/1) ... [2020-09-24 15:47:36,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:36" (1/1) ... [2020-09-24 15:47:36,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:36" (1/1) ... [2020-09-24 15:47:36,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:36" (1/1) ... [2020-09-24 15:47:36,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:36" (1/1) ... [2020-09-24 15:47:36,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:36" (1/1) ... [2020-09-24 15:47:36,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:36" (1/1) ... [2020-09-24 15:47:36,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:47:36,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:47:36,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:47:36,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:47:36,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:36" (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 15:47:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:47:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:47:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:47:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:47:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:47:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:47:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:47:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:47:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:47:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:47:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:47:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:47:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:47:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:47:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:47:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:47:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:47:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:47:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:47:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:47:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:47:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:47:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:47:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:47:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:47:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:47:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:47:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:47:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:47:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-24 15:47:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:47:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:47:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:47:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:47:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:47:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:47:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:47:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:47:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:47:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:47:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:47:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:47:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:47:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:47:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:47:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:47:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:47:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:47:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:47:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:47:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:47:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:47:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:47:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:47:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:47:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:47:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:47:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:47:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:47:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:47:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:47:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:47:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:47:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-24 15:47:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:47:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:47:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:47:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:47:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:47:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:47:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:47:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:47:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:47:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:47:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:47:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:47:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:47:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:47:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:47:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:47:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:47:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:47:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:47:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:47:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:47:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:47:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:47:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:47:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:47:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:47:37,854 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:47:37,854 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:47:37,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:47:37 BoogieIcfgContainer [2020-09-24 15:47:37,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:47:37,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:47:37,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:47:37,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:47:37,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:47:35" (1/3) ... [2020-09-24 15:47:37,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cb8a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:47:37, skipping insertion in model container [2020-09-24 15:47:37,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:47:36" (2/3) ... [2020-09-24 15:47:37,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cb8a1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:47:37, skipping insertion in model container [2020-09-24 15:47:37,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:47:37" (3/3) ... [2020-09-24 15:47:37,876 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2020-09-24 15:47:37,887 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:47:37,900 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:47:37,922 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:47:37,968 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:47:37,968 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:47:37,968 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:47:37,968 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:47:37,969 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:47:37,969 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:47:37,970 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:47:37,970 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:47:38,013 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states. [2020-09-24 15:47:38,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-24 15:47:38,053 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:38,056 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:38,057 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:38,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:38,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1143611039, now seen corresponding path program 1 times [2020-09-24 15:47:38,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:38,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131803882] [2020-09-24 15:47:38,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:38,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:38,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:38,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:38,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:38,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-24 15:47:38,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:47:38,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:47:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:38,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:38,989 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:38,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:39,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:39,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:39,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:39,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:39,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:39,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:39,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:39,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:39,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:39,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:39,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:39,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:39,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:39,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:39,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:39,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:39,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:39,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:39,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:39,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:39,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:39,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:39,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:39,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:39,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:39,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:39,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:39,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:39,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:39,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:39,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:39,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:39,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:39,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:39,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:39,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:39,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:39,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:39,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:39,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:39,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:39,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:39,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:39,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:39,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:39,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:39,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:39,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:39,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:39,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:39,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:39,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:39,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:39,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:47:39,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:39,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:39,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:39,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:39,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 15:47:39,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:47:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:39,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:39,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:39,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:39,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:39,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:39,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:39,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:39,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:39,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:39,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:39,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:39,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:47:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:39,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:39,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:39,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:39,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:39,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:39,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:39,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:39,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:39,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:39,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:39,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:39,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:47:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:39,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:39,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:39,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:39,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:39,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:39,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:39,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:39,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:39,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:39,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1131803882] [2020-09-24 15:47:39,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:39,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:47:39,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156950218] [2020-09-24 15:47:39,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:47:39,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:39,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:47:39,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:47:39,229 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 3 states. [2020-09-24 15:47:40,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:40,624 INFO L93 Difference]: Finished difference Result 553 states and 657 transitions. [2020-09-24 15:47:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:47:40,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-09-24 15:47:40,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:40,649 INFO L225 Difference]: With dead ends: 553 [2020-09-24 15:47:40,649 INFO L226 Difference]: Without dead ends: 335 [2020-09-24 15:47:40,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:47:40,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-09-24 15:47:40,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 292. [2020-09-24 15:47:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-09-24 15:47:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 320 transitions. [2020-09-24 15:47:40,774 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 320 transitions. Word has length 153 [2020-09-24 15:47:40,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:40,775 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 320 transitions. [2020-09-24 15:47:40,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:47:40,775 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 320 transitions. [2020-09-24 15:47:40,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-24 15:47:40,780 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:40,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:40,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:47:40,781 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:40,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:40,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1149932277, now seen corresponding path program 1 times [2020-09-24 15:47:40,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:40,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886727224] [2020-09-24 15:47:40,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:40,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:40,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:40,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:40,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:40,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:47:40,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:40,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:47:40,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:40,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:47:40,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:47:40,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:41,212 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:41,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:41,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:41,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:41,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:41,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:41,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:41,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:41,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:41,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:41,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:41,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:41,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:41,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:41,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:41,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:41,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:41,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:41,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:41,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:41,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:41,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:41,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:41,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:41,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:41,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:41,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:41,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:41,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:41,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:41,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:41,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:41,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:41,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:41,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:41,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:41,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:41,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:41,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:41,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:41,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:41,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:41,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:41,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:41,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:41,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:41,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:41,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:41,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:41,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:41,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:41,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:41,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:41,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:41,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:41,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:41,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:41,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:41,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:41,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:47:41,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:41,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:41,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:41,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:41,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:41,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-24 15:47:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:41,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:41,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:41,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:41,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:41,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:41,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:41,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:41,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:41,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:41,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:41,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:47:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:41,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:41,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:41,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:41,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:41,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:41,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:41,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:41,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:41,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:41,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-24 15:47:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:41,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:41,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:41,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:41,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:41,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:41,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:41,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:41,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:41,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:41,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:41,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:41,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:41,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:41,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886727224] [2020-09-24 15:47:41,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:41,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:47:41,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230440529] [2020-09-24 15:47:41,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:47:41,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:41,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:47:41,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:47:41,357 INFO L87 Difference]: Start difference. First operand 292 states and 320 transitions. Second operand 4 states. [2020-09-24 15:47:41,975 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:43,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:43,187 INFO L93 Difference]: Finished difference Result 470 states and 532 transitions. [2020-09-24 15:47:43,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:47:43,188 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-09-24 15:47:43,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:43,194 INFO L225 Difference]: With dead ends: 470 [2020-09-24 15:47:43,194 INFO L226 Difference]: Without dead ends: 318 [2020-09-24 15:47:43,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:47:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-24 15:47:43,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 282. [2020-09-24 15:47:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-09-24 15:47:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 307 transitions. [2020-09-24 15:47:43,240 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 307 transitions. Word has length 154 [2020-09-24 15:47:43,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:43,240 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 307 transitions. [2020-09-24 15:47:43,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:47:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 307 transitions. [2020-09-24 15:47:43,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-24 15:47:43,243 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:43,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:43,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:47:43,244 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:43,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:43,244 INFO L82 PathProgramCache]: Analyzing trace with hash -683065315, now seen corresponding path program 1 times [2020-09-24 15:47:43,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:43,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324152154] [2020-09-24 15:47:43,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:47:43,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 15:47:43,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:47:43,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:47:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-24 15:47:43,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,674 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:43,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:43,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:43,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:47:43,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:43,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:43,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:43,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:43,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:43,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:43,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:43,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:43,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:43,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:43,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:43,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:47:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:43,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:47:43,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:43,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:47:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:43,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:47:43,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:43,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:47:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:43,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:43,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:43,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:43,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:43,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:43,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:43,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:43,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:43,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:43,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:43,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:43,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:43,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324152154] [2020-09-24 15:47:43,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:43,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:47:43,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562289859] [2020-09-24 15:47:43,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:47:43,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:43,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:47:43,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:47:43,864 INFO L87 Difference]: Start difference. First operand 282 states and 307 transitions. Second operand 4 states. [2020-09-24 15:47:44,341 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:45,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:45,341 INFO L93 Difference]: Finished difference Result 490 states and 557 transitions. [2020-09-24 15:47:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:47:45,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 163 [2020-09-24 15:47:45,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:45,345 INFO L225 Difference]: With dead ends: 490 [2020-09-24 15:47:45,345 INFO L226 Difference]: Without dead ends: 318 [2020-09-24 15:47:45,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:47:45,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-24 15:47:45,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 282. [2020-09-24 15:47:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-09-24 15:47:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 306 transitions. [2020-09-24 15:47:45,406 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 306 transitions. Word has length 163 [2020-09-24 15:47:45,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:45,408 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 306 transitions. [2020-09-24 15:47:45,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:47:45,408 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 306 transitions. [2020-09-24 15:47:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-24 15:47:45,412 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:45,412 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:45,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:47:45,412 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:45,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:45,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1399635308, now seen corresponding path program 1 times [2020-09-24 15:47:45,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:45,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957203426] [2020-09-24 15:47:45,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:45,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:45,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:45,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:45,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:45,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-24 15:47:45,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:45,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:47:45,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:45,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:47:45,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:47:45,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:47:45,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:45,909 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:45,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:45,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:45,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:45,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:45,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:45,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:45,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:45,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:45,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:47:45,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:45,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:45,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:45,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:45,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:45,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:45,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:45,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:45,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:45,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:45,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:45,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:45,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:45,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:45,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:46,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:46,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:46,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:46,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:46,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:46,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:46,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:46,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:46,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:46,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:46,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:46,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:46,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:46,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:46,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:46,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:46,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:46,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:46,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:46,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:46,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:46,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:46,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:46,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:46,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:46,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:46,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:46,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:46,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:46,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:47:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:46,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:46,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:46,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:46,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:46,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 15:47:46,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:46,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:47:46,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:47:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:47:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:47:46,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:46,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:46,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:46,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:46,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:46,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:46,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:47:46,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:46,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:46,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:47:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:47:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:47:46,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:46,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:46,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:46,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:46,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:46,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:46,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:47:46,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:46,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:47:46,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:47:46,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:47:46,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:46,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:46,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:46,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:46,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:46,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:46,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:46,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:46,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:46,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:46,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:47:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:46,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:46,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:46,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:46,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:46,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:46,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:46,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:46,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:46,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:46,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 15:47:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:46,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:46,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:46,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:46,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:46,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:46,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:46,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:46,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:46,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 15:47:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:46,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:46,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:46,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:46,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:46,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:46,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:46,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:47:46,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:46,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:46,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:46,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:46,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:46,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957203426] [2020-09-24 15:47:46,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:46,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:47:46,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643708677] [2020-09-24 15:47:46,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:47:46,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:46,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:47:46,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:47:46,127 INFO L87 Difference]: Start difference. First operand 282 states and 306 transitions. Second operand 6 states. [2020-09-24 15:47:46,764 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:48,289 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:49,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:49,211 INFO L93 Difference]: Finished difference Result 649 states and 743 transitions. [2020-09-24 15:47:49,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:47:49,212 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2020-09-24 15:47:49,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:49,215 INFO L225 Difference]: With dead ends: 649 [2020-09-24 15:47:49,216 INFO L226 Difference]: Without dead ends: 477 [2020-09-24 15:47:49,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:47:49,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2020-09-24 15:47:49,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 418. [2020-09-24 15:47:49,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-09-24 15:47:49,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 451 transitions. [2020-09-24 15:47:49,278 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 451 transitions. Word has length 181 [2020-09-24 15:47:49,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:49,279 INFO L479 AbstractCegarLoop]: Abstraction has 418 states and 451 transitions. [2020-09-24 15:47:49,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:47:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 451 transitions. [2020-09-24 15:47:49,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-24 15:47:49,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:49,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:49,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:47:49,283 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:49,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:49,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1966009178, now seen corresponding path program 1 times [2020-09-24 15:47:49,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:49,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701330457] [2020-09-24 15:47:49,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:49,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:49,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:49,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:49,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:49,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-09-24 15:47:49,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:49,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:47:49,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:47:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:47:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:47:49,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:49,771 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:49,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:49,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:49,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:49,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:49,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:49,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:49,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:49,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:49,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:49,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:49,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:49,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:47:49,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:49,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:49,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:49,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:49,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:49,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:49,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:49,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:49,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:49,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:49,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:49,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:49,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:49,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:49,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:49,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:49,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:49,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:49,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:49,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:49,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:49,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:49,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:49,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:49,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:49,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:49,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:49,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:49,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:49,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:49,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:49,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:49,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:49,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:49,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:49,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:49,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:49,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:49,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:49,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:49,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:49,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:49,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:49,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:49,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:49,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:49,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:49,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:49,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:47:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:49,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:49,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:49,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:49,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:49,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:47:49,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:49,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:49,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:49,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:47:49,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:49,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:49,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:49,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:49,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:49,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:49,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:47:49,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:49,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:49,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:49,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:49,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:49,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:47:49,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:49,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:50,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:50,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:50,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:50,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:50,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:47:50,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:50,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:50,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:50,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:47:50,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:50,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:50,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:50,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:50,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:50,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:50,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:47:50,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:50,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:50,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:47:50,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:50,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:47:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:50,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:50,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:50,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:50,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:50,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:47:50,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:50,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:47:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:50,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:47:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:50,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:50,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:50,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:50,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:50,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:50,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:50,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:50,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:47:50,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:50,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-24 15:47:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:50,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:50,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:50,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:50,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:50,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:50,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:50,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:50,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:50,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:47:50,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:50,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:50,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:50,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 15:47:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:50,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:50,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:50,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:50,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:50,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:50,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:50,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:47:50,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:50,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:50,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:50,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:50,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-24 15:47:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:50,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:50,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:50,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:50,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:50,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:50,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:50,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:50,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:50,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:50,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:50,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:50,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:50,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701330457] [2020-09-24 15:47:50,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:50,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:47:50,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998024875] [2020-09-24 15:47:50,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:47:50,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:50,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:47:50,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:47:50,312 INFO L87 Difference]: Start difference. First operand 418 states and 451 transitions. Second operand 9 states. [2020-09-24 15:47:50,965 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:52,856 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:53,163 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:53,495 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:53,819 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:47:54,109 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:47:54,415 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:54,704 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:56,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:47:56,246 INFO L93 Difference]: Finished difference Result 1071 states and 1252 transitions. [2020-09-24 15:47:56,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:47:56,247 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-09-24 15:47:56,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:47:56,253 INFO L225 Difference]: With dead ends: 1071 [2020-09-24 15:47:56,254 INFO L226 Difference]: Without dead ends: 763 [2020-09-24 15:47:56,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:47:56,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2020-09-24 15:47:56,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 694. [2020-09-24 15:47:56,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-09-24 15:47:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 772 transitions. [2020-09-24 15:47:56,375 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 772 transitions. Word has length 205 [2020-09-24 15:47:56,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:47:56,376 INFO L479 AbstractCegarLoop]: Abstraction has 694 states and 772 transitions. [2020-09-24 15:47:56,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:47:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 772 transitions. [2020-09-24 15:47:56,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-24 15:47:56,380 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:47:56,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:47:56,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:47:56,380 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:47:56,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:47:56,381 INFO L82 PathProgramCache]: Analyzing trace with hash -54966158, now seen corresponding path program 1 times [2020-09-24 15:47:56,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:47:56,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286294169] [2020-09-24 15:47:56,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:47:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:56,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:56,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:56,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:56,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:56,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-09-24 15:47:56,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:56,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:47:56,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:56,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:56,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-24 15:47:56,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:56,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:56,721 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:47:56,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:47:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:56,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:56,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:56,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:56,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:56,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:47:56,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:56,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:47:56,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:56,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:56,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:47:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:56,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:56,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:56,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:56,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:56,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:56,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:56,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:56,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:56,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:56,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:56,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:56,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:56,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:47:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:56,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:56,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:56,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:56,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:56,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:56,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:56,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:56,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:56,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:56,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:56,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:47:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:56,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:56,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:56,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:56,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:56,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:56,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:56,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:47:56,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:56,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:56,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:47:56,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:47:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:56,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:56,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:56,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:56,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:56,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:56,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:56,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:56,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:56,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:56,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:47:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:56,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:56,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:56,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:56,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:56,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:47:56,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:56,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:56,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:56,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:56,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:47:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:56,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:56,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:56,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:56,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:56,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:47:56,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:56,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:47:56,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:56,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:56,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:47:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:56,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:56,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:56,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:56,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:56,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:56,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:56,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:47:56,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:56,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:47:56,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:56,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:56,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:47:56,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:56,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:56,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:56,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:56,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:56,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:56,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:56,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:47:56,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:56,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:47:56,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:56,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:47:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:56,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:56,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:47:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:56,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:56,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:56,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:56,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:56,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:47:56,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:56,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:47:56,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:47:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:47:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:47:56,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:56,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:47:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:57,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:57,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:57,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:57,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:57,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:47:57,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:57,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:47:57,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:47:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:47:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:47:57,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:57,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:47:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:57,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:57,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:57,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:57,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:57,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:47:57,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:57,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:57,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:57,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:57,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:47:57,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:57,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:57,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:47:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:57,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:57,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:57,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:57,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:57,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:57,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:57,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:57,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:57,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:57,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:57,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:57,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:57,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:47:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:57,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:57,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:57,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:57,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:57,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:57,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:57,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:47:57,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:57,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:57,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:47:57,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 15:47:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:47:57,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:47:57,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:47:57,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:47:57,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:47:57,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:47:57,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:47:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:47:57,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:47:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:47:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:47:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:47:57,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:47:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:47:57,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286294169] [2020-09-24 15:47:57,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:47:57,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:47:57,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553950382] [2020-09-24 15:47:57,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:47:57,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:47:57,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:47:57,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:47:57,145 INFO L87 Difference]: Start difference. First operand 694 states and 772 transitions. Second operand 9 states. [2020-09-24 15:47:58,220 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:58,456 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:47:58,748 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:47:59,032 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:47:59,372 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:48:00,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:48:00,782 INFO L93 Difference]: Finished difference Result 1410 states and 1636 transitions. [2020-09-24 15:48:00,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:48:00,783 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 210 [2020-09-24 15:48:00,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:48:00,788 INFO L225 Difference]: With dead ends: 1410 [2020-09-24 15:48:00,788 INFO L226 Difference]: Without dead ends: 826 [2020-09-24 15:48:00,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:48:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-09-24 15:48:00,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 696. [2020-09-24 15:48:00,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-09-24 15:48:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 774 transitions. [2020-09-24 15:48:00,879 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 774 transitions. Word has length 210 [2020-09-24 15:48:00,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:48:00,880 INFO L479 AbstractCegarLoop]: Abstraction has 696 states and 774 transitions. [2020-09-24 15:48:00,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:48:00,880 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 774 transitions. [2020-09-24 15:48:00,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-24 15:48:00,884 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:48:00,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:48:00,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:48:00,885 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:48:00,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:48:00,885 INFO L82 PathProgramCache]: Analyzing trace with hash -955726830, now seen corresponding path program 1 times [2020-09-24 15:48:00,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:48:00,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653307912] [2020-09-24 15:48:00,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:48:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:00,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:48:00,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -85 [2020-09-24 15:48:00,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 85 [2020-09-24 15:48:00,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:00,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-09-24 15:48:00,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:00,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:48:00,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:00,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:48:00,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-09-24 15:48:00,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:48:00,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,208 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:48:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:48:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:48:01,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:01,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:01,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:01,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:48:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:01,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:01,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:01,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:48:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:01,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:01,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:01,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:01,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:01,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:48:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:01,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:01,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:01,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:01,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:01,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:48:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:01,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:01,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:01,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:48:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:48:01,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:01,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:01,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:01,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:01,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:48:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:48:01,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:48:01,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:48:01,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:48:01,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:48:01,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:48:01,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:48:01,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:48:01,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:48:01,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:48:01,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:48:01,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:48:01,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:48:01,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:48:01,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:48:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:48:01,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:48:01,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:48:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:48:01,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:48:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:48:01,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:01,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:01,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:48:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:01,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:01,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:01,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:48:01,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:01,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:01,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:48:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:01,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:01,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:01,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:48:01,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:01,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:01,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:48:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:01,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:01,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:01,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:48:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:01,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:01,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 15:48:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:01,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:01,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:01,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:01,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:01,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:01,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:01,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:01,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:01,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:01,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:48:01,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:01,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:48:01,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653307912] [2020-09-24 15:48:01,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:48:01,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:48:01,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778943991] [2020-09-24 15:48:01,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:48:01,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:48:01,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:48:01,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:48:01,528 INFO L87 Difference]: Start difference. First operand 696 states and 774 transitions. Second operand 10 states. [2020-09-24 15:48:02,738 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:48:03,029 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:03,321 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:48:03,624 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:03,922 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:48:04,204 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:05,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:48:05,694 INFO L93 Difference]: Finished difference Result 1397 states and 1626 transitions. [2020-09-24 15:48:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:48:05,695 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 210 [2020-09-24 15:48:05,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:48:05,700 INFO L225 Difference]: With dead ends: 1397 [2020-09-24 15:48:05,700 INFO L226 Difference]: Without dead ends: 811 [2020-09-24 15:48:05,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:48:05,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-09-24 15:48:05,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 692. [2020-09-24 15:48:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-09-24 15:48:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 768 transitions. [2020-09-24 15:48:05,790 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 768 transitions. Word has length 210 [2020-09-24 15:48:05,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:48:05,791 INFO L479 AbstractCegarLoop]: Abstraction has 692 states and 768 transitions. [2020-09-24 15:48:05,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:48:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 768 transitions. [2020-09-24 15:48:05,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-24 15:48:05,795 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:48:05,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:48:05,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:48:05,796 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:48:05,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:48:05,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1337945199, now seen corresponding path program 1 times [2020-09-24 15:48:05,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:48:05,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296381768] [2020-09-24 15:48:05,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:48:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:05,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:48:05,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -97 [2020-09-24 15:48:05,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 97 [2020-09-24 15:48:05,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:05,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-09-24 15:48:05,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:05,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:48:05,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:48:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-24 15:48:05,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:48:05,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,183 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:48:06,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:48:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:48:06,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:06,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:06,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:06,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:48:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:06,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:06,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:06,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:48:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:06,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:06,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:06,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:06,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:48:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:06,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:06,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:06,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:06,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:48:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:06,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:06,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:06,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:48:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:48:06,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:06,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:06,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:06,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:48:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:48:06,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:06,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:06,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:48:06,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:48:06,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:06,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:06,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:48:06,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:48:06,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:06,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:48:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:48:06,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:06,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:06,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:48:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:48:06,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:06,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:06,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:06,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:48:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:48:06,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:06,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:48:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-24 15:48:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:06,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:06,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:48:06,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:48:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:06,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:06,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:48:06,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:48:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:06,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:06,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:06,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:06,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:06,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:06,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:06,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:48:06,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:06,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:48:06,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:48:06,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:48:06,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296381768] [2020-09-24 15:48:06,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:48:06,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:48:06,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596496711] [2020-09-24 15:48:06,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:48:06,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:48:06,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:48:06,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:48:06,417 INFO L87 Difference]: Start difference. First operand 692 states and 768 transitions. Second operand 10 states. [2020-09-24 15:48:07,997 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:48:08,863 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:09,178 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:48:09,509 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:09,825 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:48:10,147 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:11,090 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:48:11,389 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:48:11,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:48:11,855 INFO L93 Difference]: Finished difference Result 1397 states and 1600 transitions. [2020-09-24 15:48:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:48:11,856 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2020-09-24 15:48:11,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:48:11,863 INFO L225 Difference]: With dead ends: 1397 [2020-09-24 15:48:11,863 INFO L226 Difference]: Without dead ends: 815 [2020-09-24 15:48:11,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-09-24 15:48:11,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2020-09-24 15:48:11,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 692. [2020-09-24 15:48:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-09-24 15:48:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 759 transitions. [2020-09-24 15:48:11,942 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 759 transitions. Word has length 211 [2020-09-24 15:48:11,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:48:11,942 INFO L479 AbstractCegarLoop]: Abstraction has 692 states and 759 transitions. [2020-09-24 15:48:11,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:48:11,943 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 759 transitions. [2020-09-24 15:48:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-24 15:48:11,947 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:48:11,948 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:11,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:48:11,949 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:48:11,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:48:11,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1370235086, now seen corresponding path program 1 times [2020-09-24 15:48:11,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:48:11,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577263235] [2020-09-24 15:48:11,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:48:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-09-24 15:48:12,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:48:12,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:48:12,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:48:12,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 15:48:12,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,351 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:48:12,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:48:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:48:12,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:48:12,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:12,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:48:12,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:12,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:48:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:12,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:12,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:48:12,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:48:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:12,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:48:12,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:48:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:12,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:48:12,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:12,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:48:12,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:48:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:12,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:12,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:48:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:48:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:48:12,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:48:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 15:48:12,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:48:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:48:12,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:48:12,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:48:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-24 15:48:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:48:12,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:48:12,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:48:12,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:48:12,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:48:12,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:48:12,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:48:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:48:12,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:48:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:48:12,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 15:48:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:48:12,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:48:12,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:48:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:48:12,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:48:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:12,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:48:12,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:48:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:48:12,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:48:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:48:12,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:12,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:48:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 15:48:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:48:12,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:12,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 15:48:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,695 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:48:12,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:12,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:48:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:12,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:12,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:48:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:48:12,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 15:48:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:12,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:48:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-24 15:48:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:12,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:12,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:48:12,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-24 15:48:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:12,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:12,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:12,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:12,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:12,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:12,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:12,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:12,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:48:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:12,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:12,824 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-24 15:48:12,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577263235] [2020-09-24 15:48:12,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:48:12,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 15:48:12,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693667155] [2020-09-24 15:48:12,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:48:12,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:48:12,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:48:12,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:48:12,827 INFO L87 Difference]: Start difference. First operand 692 states and 759 transitions. Second operand 12 states. [2020-09-24 15:48:13,330 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:48:14,266 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:48:15,612 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:15,914 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:48:16,231 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:16,547 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:48:16,837 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:48:17,126 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:17,443 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:48:17,776 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:48:18,091 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:48:18,393 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:48:20,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:48:20,565 INFO L93 Difference]: Finished difference Result 1972 states and 2351 transitions. [2020-09-24 15:48:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:48:20,566 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 278 [2020-09-24 15:48:20,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:48:20,574 INFO L225 Difference]: With dead ends: 1972 [2020-09-24 15:48:20,574 INFO L226 Difference]: Without dead ends: 1390 [2020-09-24 15:48:20,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=208, Invalid=662, Unknown=0, NotChecked=0, Total=870 [2020-09-24 15:48:20,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2020-09-24 15:48:20,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1173. [2020-09-24 15:48:20,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1173 states. [2020-09-24 15:48:20,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1284 transitions. [2020-09-24 15:48:20,719 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1284 transitions. Word has length 278 [2020-09-24 15:48:20,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:48:20,720 INFO L479 AbstractCegarLoop]: Abstraction has 1173 states and 1284 transitions. [2020-09-24 15:48:20,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:48:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1284 transitions. [2020-09-24 15:48:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-09-24 15:48:20,724 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:48:20,725 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:20,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:48:20,725 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:48:20,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:48:20,726 INFO L82 PathProgramCache]: Analyzing trace with hash 357528892, now seen corresponding path program 1 times [2020-09-24 15:48:20,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:48:20,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1868840530] [2020-09-24 15:48:20,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:48:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:20,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:20,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:20,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:20,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:20,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-09-24 15:48:20,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:20,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:48:20,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:48:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-09-24 15:48:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 15:48:20,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,180 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:48:21,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:48:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:48:21,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:21,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:48:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:21,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:21,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:21,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:48:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:21,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:21,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:21,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:48:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:21,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:21,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:21,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:48:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:48:21,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:21,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:21,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:48:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:48:21,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:21,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:48:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:48:21,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:48:21,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:21,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:48:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:48:21,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:48:21,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:48:21,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:48:21,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:48:21,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:48:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:48:21,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:48:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:48:21,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 15:48:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,375 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:48:21,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:48:21,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:48:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:21,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 15:48:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:48:21,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:48:21,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:21,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:48:21,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-24 15:48:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:48:21,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:48:21,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:48:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-24 15:48:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:48:21,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:48:21,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:48:21,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:48:21,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:48:21,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:48:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:48:21,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:48:21,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:48:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:48:21,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:48:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:21,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:48:21,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:48:21,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:48:21,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:48:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:48:21,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:48:21,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:48:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:48:21,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:48:21,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-24 15:48:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:21,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:48:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-24 15:48:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:21,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:48:21,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-09-24 15:48:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:48:21,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:48:21,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:48:21,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:48:21,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:48:21,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:48:21,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:48:21,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:48:21,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:48:21,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:48:21,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:48:21,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:48:21,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:48:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-24 15:48:21,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1868840530] [2020-09-24 15:48:21,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:48:21,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:48:21,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266541723] [2020-09-24 15:48:21,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:48:21,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:48:21,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:48:21,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:48:21,791 INFO L87 Difference]: Start difference. First operand 1173 states and 1284 transitions. Second operand 16 states. [2020-09-24 15:48:22,350 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:48:23,417 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:48:25,033 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:25,345 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:48:25,718 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:48:26,029 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:48:27,590 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:48:27,903 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:48:28,200 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:48:28,509 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:48:28,817 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:29,177 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:48:29,480 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:48:29,792 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:48:30,097 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:48:30,397 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191