/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:22:02,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:22:02,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:22:02,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:22:02,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:22:02,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:22:02,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:22:02,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:22:02,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:22:02,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:22:02,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:22:02,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:22:02,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:22:02,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:22:02,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:22:02,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:22:02,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:22:02,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:22:02,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:22:02,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:22:02,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:22:02,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:22:02,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:22:02,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:22:02,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:22:02,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:22:02,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:22:02,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:22:02,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:22:02,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:22:02,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:22:02,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:22:02,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:22:02,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:22:02,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:22:02,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:22:02,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:22:02,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:22:02,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:22:02,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:22:02,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:22:02,313 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 [2020-09-25 05:22:02,362 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:22:02,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:22:02,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:22:02,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:22:02,365 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:22:02,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:22:02,366 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:22:02,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:22:02,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:22:02,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:22:02,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:22:02,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:22:02,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:22:02,369 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:22:02,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:22:02,369 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:22:02,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:22:02,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:22:02,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:22:02,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:22:02,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:22:02,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:22:02,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:22:02,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:22:02,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:22:02,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:22:02,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:22:02,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:22:02,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:22:02,372 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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:22:02,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:22:02,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:22:02,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:22:02,907 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:22:02,908 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:22:02,909 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-09-25 05:22:02,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4627ec797/458b3639e7694a418d98c6722abf7ca9/FLAGad1bc7a5c [2020-09-25 05:22:03,563 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:22:03,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-09-25 05:22:03,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4627ec797/458b3639e7694a418d98c6722abf7ca9/FLAGad1bc7a5c [2020-09-25 05:22:03,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4627ec797/458b3639e7694a418d98c6722abf7ca9 [2020-09-25 05:22:03,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:22:03,865 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:22:03,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:22:03,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:22:03,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:22:03,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:22:03" (1/1) ... [2020-09-25 05:22:03,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29040ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:03, skipping insertion in model container [2020-09-25 05:22:03,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:22:03" (1/1) ... [2020-09-25 05:22:03,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:22:03,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:22:04,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:22:04,427 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:22:04,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:22:04,550 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:22:04,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:04 WrapperNode [2020-09-25 05:22:04,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:22:04,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:22:04,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:22:04,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:22:04,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:04" (1/1) ... [2020-09-25 05:22:04,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:04" (1/1) ... [2020-09-25 05:22:04,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:04" (1/1) ... [2020-09-25 05:22:04,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:04" (1/1) ... [2020-09-25 05:22:04,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:04" (1/1) ... [2020-09-25 05:22:04,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:04" (1/1) ... [2020-09-25 05:22:04,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:04" (1/1) ... [2020-09-25 05:22:04,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:22:04,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:22:04,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:22:04,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:22:04,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:04" (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 [2020-09-25 05:22:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:22:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:22:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:22:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:22:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:22:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:22:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:22:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:22:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:22:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:22:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:22:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:22:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:22:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:22:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:22:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:22:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 05:22:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:22:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:22:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:22:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:22:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:22:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:22:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:22:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:22:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:22:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:22:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:22:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:22:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:22:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:22:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:22:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:22:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:22:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:22:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:22:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:22:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:22:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:22:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:22:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 05:22:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:22:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:22:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:22:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:22:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:22:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:22:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:22:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:22:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:22:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:22:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:22:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 05:22:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:22:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:22:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:22:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:22:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:22:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:22:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:22:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:22:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:22:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:22:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:22:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 05:22:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:22:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:22:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:22:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:22:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:22:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:22:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:22:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:22:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:22:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:22:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:22:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:22:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:22:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:22:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:22:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:22:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:22:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:22:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:22:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:22:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:22:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:22:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:22:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:22:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:22:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:22:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:22:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:22:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:22:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:22:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:22:05,865 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:22:05,865 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:22:05,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:22:05 BoogieIcfgContainer [2020-09-25 05:22:05,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:22:05,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:22:05,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:22:05,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:22:05,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:22:03" (1/3) ... [2020-09-25 05:22:05,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352d9eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:22:05, skipping insertion in model container [2020-09-25 05:22:05,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:04" (2/3) ... [2020-09-25 05:22:05,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352d9eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:22:05, skipping insertion in model container [2020-09-25 05:22:05,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:22:05" (3/3) ... [2020-09-25 05:22:05,882 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-09-25 05:22:05,894 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:22:05,905 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:22:05,928 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:22:05,962 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:22:05,962 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:22:05,962 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:22:05,962 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:22:05,963 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:22:05,963 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:22:05,963 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:22:05,963 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:22:05,989 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-09-25 05:22:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:22:06,008 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:06,010 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:06,010 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:06,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:06,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1597638974, now seen corresponding path program 1 times [2020-09-25 05:22:06,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:06,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [590167037] [2020-09-25 05:22:06,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:06,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:06,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:08,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:08,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:11,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:11,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:11,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 05:22:11,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:22:11,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 05:22:11,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:11,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:11,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:22:11,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:11,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 05:22:12,094 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:12,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:12,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:12,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:12,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:12,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:12,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-25 05:22:12,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:12,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:12,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:12,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:12,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:12,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:12,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:12,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:12,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:12,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:22:12,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:12,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:12,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:12,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:12,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:12,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:12,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:12,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:12,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:12,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:22:12,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:12,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:12,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:12,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:12,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:12,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:12,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:12,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:12,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:22:12,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:12,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:12,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:12,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:12,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:12,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:12,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:12,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:12,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:12,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:12,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:12,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:12,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:12,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:12,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:12,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:12,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:12,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:12,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:12,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:12,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:12,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:12,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:12,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:12,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:12,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:12,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:12,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:22:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:12,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:12,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:12,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:12,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:12,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:12,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:12,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:22:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:12,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:12,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:12,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:12,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:12,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:12,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:12,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:12,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:12,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:12,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:12,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 05:22:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:12,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:12,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:12,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:12,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:12,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:12,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:12,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:12,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:12,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:22:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:12,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:12,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:12,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:12,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:12,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:12,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:12,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:12,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:12,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [590167037] [2020-09-25 05:22:12,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:12,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:22:12,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836544104] [2020-09-25 05:22:12,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:22:12,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:12,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:22:12,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:22:12,578 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 4 states. [2020-09-25 05:22:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:14,561 INFO L93 Difference]: Finished difference Result 468 states and 551 transitions. [2020-09-25 05:22:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:22:14,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 05:22:14,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:14,585 INFO L225 Difference]: With dead ends: 468 [2020-09-25 05:22:14,585 INFO L226 Difference]: Without dead ends: 300 [2020-09-25 05:22:14,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:22:14,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-09-25 05:22:14,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 253. [2020-09-25 05:22:14,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-25 05:22:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 274 transitions. [2020-09-25 05:22:14,737 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 274 transitions. Word has length 160 [2020-09-25 05:22:14,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:14,738 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 274 transitions. [2020-09-25 05:22:14,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:22:14,738 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 274 transitions. [2020-09-25 05:22:14,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:22:14,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:14,744 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:14,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:22:14,744 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:14,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:14,745 INFO L82 PathProgramCache]: Analyzing trace with hash 960468247, now seen corresponding path program 1 times [2020-09-25 05:22:14,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:14,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387592243] [2020-09-25 05:22:14,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:14,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:15,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:16,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:17,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:18,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:19,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:19,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 05:22:19,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:22:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-09-25 05:22:19,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:19,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:19,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:19,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:22:19,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:22:19,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:20,182 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:20,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:20,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:20,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:20,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:20,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:20,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-25 05:22:20,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:20,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:20,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:20,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:20,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:20,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:20,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:20,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:20,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:20,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:20,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:20,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:20,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:20,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:20,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:20,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:20,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:20,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:20,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:20,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:20,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:20,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:20,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:20,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:20,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:20,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:20,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:20,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:20,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:20,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:20,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:20,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:20,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:20,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:20,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:20,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:20,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:20,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:20,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:22:20,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:20,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:20,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:20,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:20,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:20,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:20,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:20,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:20,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:20,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:20,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:20,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:20,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:20,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:20,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:20,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:20,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:20,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:20,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:20,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:20,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:20,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:22:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:20,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:20,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:20,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:20,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:20,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:20,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:20,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:20,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:22:20,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:20,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:20,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:20,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:20,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:20,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:20,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:20,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:20,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:20,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:20,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:20,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:22:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:20,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:20,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:20,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:20,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:20,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:20,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:20,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:20,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:20,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:20,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:20,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:22:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:20,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:20,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:20,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:20,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:20,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:20,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:20,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:20,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:20,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:20,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:20,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:20,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387592243] [2020-09-25 05:22:20,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:20,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:22:20,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640831529] [2020-09-25 05:22:20,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:22:20,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:20,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:22:20,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:22:20,485 INFO L87 Difference]: Start difference. First operand 253 states and 274 transitions. Second operand 5 states. [2020-09-25 05:22:21,129 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:22:22,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:22,080 INFO L93 Difference]: Finished difference Result 384 states and 433 transitions. [2020-09-25 05:22:22,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:22:22,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:22:22,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:22,086 INFO L225 Difference]: With dead ends: 384 [2020-09-25 05:22:22,086 INFO L226 Difference]: Without dead ends: 289 [2020-09-25 05:22:22,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:22:22,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-25 05:22:22,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-09-25 05:22:22,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-25 05:22:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-09-25 05:22:22,144 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 161 [2020-09-25 05:22:22,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:22,145 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-09-25 05:22:22,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:22:22,145 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-09-25 05:22:22,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 05:22:22,148 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:22,148 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:22,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:22:22,149 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:22,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:22,149 INFO L82 PathProgramCache]: Analyzing trace with hash 767215678, now seen corresponding path program 1 times [2020-09-25 05:22:22,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:22,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237231140] [2020-09-25 05:22:22,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:22,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:22,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:24,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 05:22:27,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:22:27,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 05:22:27,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:27,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 05:22:27,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:22:27,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:27,513 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:27,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:27,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:27,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:27,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 05:22:27,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:27,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:27,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:27,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:27,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:27,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:27,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:27,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:27,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:27,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:27,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:27,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:27,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:27,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:27,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:27,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:27,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:27,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:27,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:27,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:27,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:27,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:27,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:27,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:27,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:27,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:27,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:27,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:27,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:27,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:27,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:27,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:27,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:27,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:27,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:27,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:27,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:22:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:27,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:27,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:27,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:22:27,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:27,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:22:27,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:27,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:22:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:27,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:27,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:27,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:22:27,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:27,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:27,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:22:27,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:27,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:27,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:27,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:27,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:22:27,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:27,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:27,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:22:27,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 05:22:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:27,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:27,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:27,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:27,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:27,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:27,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:27,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 05:22:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:27,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:27,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:27,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:27,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:27,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:27,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:27,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:27,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:27,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:27,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:27,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:27,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:27,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237231140] [2020-09-25 05:22:27,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:27,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:22:27,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275178478] [2020-09-25 05:22:27,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:22:27,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:27,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:22:27,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:22:27,833 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 6 states. [2020-09-25 05:22:28,479 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:30,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:30,262 INFO L93 Difference]: Finished difference Result 573 states and 663 transitions. [2020-09-25 05:22:30,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:22:30,263 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 05:22:30,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:30,269 INFO L225 Difference]: With dead ends: 573 [2020-09-25 05:22:30,269 INFO L226 Difference]: Without dead ends: 445 [2020-09-25 05:22:30,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:22:30,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-09-25 05:22:30,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 355. [2020-09-25 05:22:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2020-09-25 05:22:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 390 transitions. [2020-09-25 05:22:30,335 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 390 transitions. Word has length 174 [2020-09-25 05:22:30,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:30,336 INFO L479 AbstractCegarLoop]: Abstraction has 355 states and 390 transitions. [2020-09-25 05:22:30,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:22:30,336 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 390 transitions. [2020-09-25 05:22:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 05:22:30,339 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:30,339 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:30,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:22:30,340 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:30,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:30,340 INFO L82 PathProgramCache]: Analyzing trace with hash -45205301, now seen corresponding path program 1 times [2020-09-25 05:22:30,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:30,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1262406247] [2020-09-25 05:22:30,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:30,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:30,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:31,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:33,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:35,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:35,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 05:22:35,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:22:35,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 05:22:35,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:35,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:35,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:22:35,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 05:22:35,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 05:22:35,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:35,862 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:35,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:35,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:36,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:36,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:36,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:36,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-25 05:22:36,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:36,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:36,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:36,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:36,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:36,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:36,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:36,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:36,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:36,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:36,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:36,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:36,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:36,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:36,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:36,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:36,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:36,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:36,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:36,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:36,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:36,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:36,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:36,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:36,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:36,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:36,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:36,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:36,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:36,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:36,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:36,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:36,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:36,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:36,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:36,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:36,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:36,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:36,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:36,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:36,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:36,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:36,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:36,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:36,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:36,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:36,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:36,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:36,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:36,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:36,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:36,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:36,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:36,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:36,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:36,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:36,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:36,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:36,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:36,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:36,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:36,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 05:22:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:36,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:36,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:36,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:22:36,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:36,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:22:36,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:36,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:36,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:36,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:36,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:22:36,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:36,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 05:22:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:36,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:36,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:36,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:36,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:36,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:22:36,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:36,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:36,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:22:36,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:36,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:36,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:36,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:36,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:36,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:36,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:36,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:36,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:36,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:36,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:36,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 05:22:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:36,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:36,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:36,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:36,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:36,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:22:36,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:36,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:22:36,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:36,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 05:22:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:36,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:36,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:36,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:36,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:36,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:22:36,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:36,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:22:36,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:36,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:22:36,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 05:22:36,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1262406247] [2020-09-25 05:22:36,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:36,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:22:36,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779430215] [2020-09-25 05:22:36,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:22:36,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:36,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:22:36,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:22:36,349 INFO L87 Difference]: Start difference. First operand 355 states and 390 transitions. Second operand 10 states. [2020-09-25 05:22:36,957 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:22:38,006 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:22:38,357 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 05:22:39,488 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:22:39,864 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:22:40,266 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:41,026 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:22:41,373 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 05:22:41,701 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:22:42,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:42,081 INFO L93 Difference]: Finished difference Result 842 states and 998 transitions. [2020-09-25 05:22:42,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 05:22:42,082 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 05:22:42,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:42,089 INFO L225 Difference]: With dead ends: 842 [2020-09-25 05:22:42,089 INFO L226 Difference]: Without dead ends: 602 [2020-09-25 05:22:42,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 05:22:42,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-09-25 05:22:42,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 517. [2020-09-25 05:22:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-09-25 05:22:42,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 578 transitions. [2020-09-25 05:22:42,171 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 578 transitions. Word has length 179 [2020-09-25 05:22:42,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:42,172 INFO L479 AbstractCegarLoop]: Abstraction has 517 states and 578 transitions. [2020-09-25 05:22:42,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:22:42,172 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 578 transitions. [2020-09-25 05:22:42,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 05:22:42,176 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:42,176 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:42,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:22:42,177 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:42,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:42,177 INFO L82 PathProgramCache]: Analyzing trace with hash -67508309, now seen corresponding path program 1 times [2020-09-25 05:22:42,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:42,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839512423] [2020-09-25 05:22:42,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:42,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 05:22:43,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 797 [2020-09-25 05:22:43,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:22:43,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-25 05:22:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:22:43,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:43,320 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:43,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:43,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 05:22:43,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:43,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:43,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:43,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:43,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:43,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:43,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:43,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:43,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:43,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:43,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:22:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:43,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:43,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:22:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:43,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:43,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:43,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:43,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:22:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 05:22:43,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 05:22:43,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:22:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 05:22:43,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:22:43,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:22:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:22:43,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 05:22:43,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:22:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 05:22:43,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:22:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:22:43,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:43,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:22:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:43,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:43,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 05:22:43,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 05:22:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:43,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:43,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:43,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 05:22:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:43,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:43,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:43,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839512423] [2020-09-25 05:22:43,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:43,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 05:22:43,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717113240] [2020-09-25 05:22:43,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 05:22:43,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:43,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 05:22:43,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:22:43,901 INFO L87 Difference]: Start difference. First operand 517 states and 578 transitions. Second operand 11 states. [2020-09-25 05:22:45,619 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:22:45,966 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 05:22:46,316 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 05:22:46,655 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:22:46,982 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:22:47,282 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:22:48,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:48,091 INFO L93 Difference]: Finished difference Result 1104 states and 1323 transitions. [2020-09-25 05:22:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 05:22:48,092 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 207 [2020-09-25 05:22:48,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:48,100 INFO L225 Difference]: With dead ends: 1104 [2020-09-25 05:22:48,100 INFO L226 Difference]: Without dead ends: 702 [2020-09-25 05:22:48,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 05:22:48,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-09-25 05:22:48,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 536. [2020-09-25 05:22:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-09-25 05:22:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 597 transitions. [2020-09-25 05:22:48,190 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 597 transitions. Word has length 207 [2020-09-25 05:22:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:48,190 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 597 transitions. [2020-09-25 05:22:48,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 05:22:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 597 transitions. [2020-09-25 05:22:48,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 05:22:48,194 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:48,194 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:48,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:22:48,195 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:48,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:48,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1207302133, now seen corresponding path program 1 times [2020-09-25 05:22:48,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:48,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764496058] [2020-09-25 05:22:48,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:48,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:48,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:48,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 05:22:48,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:48,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 744 [2020-09-25 05:22:48,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:48,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:48,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:22:48,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 05:22:48,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:22:48,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:49,275 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:49,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:49,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 05:22:49,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:49,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:49,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:49,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:49,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:49,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:49,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:49,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:49,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:49,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:49,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:49,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:49,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:49,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:49,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:49,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:49,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:49,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:22:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:49,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:49,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:49,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:49,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:22:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:49,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:49,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:49,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:49,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:49,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:49,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:49,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:49,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:22:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 05:22:49,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 05:22:49,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:22:49,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:22:49,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:22:49,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:22:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:22:49,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 05:22:49,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:22:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:22:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:22:49,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:49,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:22:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:22:49,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:22:49,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:22:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:22:49,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:49,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:22:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:49,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:49,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 05:22:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:49,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 05:22:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:49,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:49,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:49,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:49,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 05:22:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:49,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:49,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:49,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:49,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:49,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:49,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:49,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:49,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:49,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:49,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:49,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764496058] [2020-09-25 05:22:49,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:49,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:22:49,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556018736] [2020-09-25 05:22:49,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:22:49,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:49,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:22:49,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:22:49,750 INFO L87 Difference]: Start difference. First operand 536 states and 597 transitions. Second operand 10 states. [2020-09-25 05:22:51,187 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:22:51,507 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192