/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=HIGHLEXORDER --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_spec1_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:24:47,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:24:47,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:24:47,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:24:47,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:24:47,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:24:47,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:24:47,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:24:47,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:24:47,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:24:47,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:24:47,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:24:47,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:24:47,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:24:47,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:24:47,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:24:47,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:24:47,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:24:47,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:24:47,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:24:47,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:24:47,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:24:47,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:24:47,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:24:47,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:24:47,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:24:47,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:24:47,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:24:47,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:24:47,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:24:47,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:24:47,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:24:47,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:24:47,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:24:47,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:24:47,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:24:47,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:24:47,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:24:47,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:24:47,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:24:47,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:24:47,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 22:24:47,254 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:24:47,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:24:47,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:24:47,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:24:47,256 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:24:47,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:24:47,256 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:24:47,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:24:47,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:24:47,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:24:47,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:24:47,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:24:47,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:24:47,258 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:24:47,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:24:47,258 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:24:47,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:24:47,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:24:47,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:24:47,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:24:47,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:24:47,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:24:47,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:24:47,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:24:47,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:24:47,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:24:47,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:24:47,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:24:47,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:24:47,261 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:24:47,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:24:47,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:24:47,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:24:47,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:24:47,772 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:24:47,773 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-09-24 22:24:47,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/542a68c83/e79f3a749ea541b4bc2f7bd874b1d46f/FLAGadf8c9a8b [2020-09-24 22:24:48,466 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:24:48,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-09-24 22:24:48,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/542a68c83/e79f3a749ea541b4bc2f7bd874b1d46f/FLAGadf8c9a8b [2020-09-24 22:24:48,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/542a68c83/e79f3a749ea541b4bc2f7bd874b1d46f [2020-09-24 22:24:48,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:24:48,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:24:48,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:24:48,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:24:48,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:24:48,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:24:48" (1/1) ... [2020-09-24 22:24:48,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:48, skipping insertion in model container [2020-09-24 22:24:48,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:24:48" (1/1) ... [2020-09-24 22:24:48,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:24:48,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:24:49,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:24:49,268 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:24:49,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:24:49,410 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:24:49,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:49 WrapperNode [2020-09-24 22:24:49,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:24:49,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:24:49,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:24:49,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:24:49,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:49" (1/1) ... [2020-09-24 22:24:49,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:49" (1/1) ... [2020-09-24 22:24:49,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:49" (1/1) ... [2020-09-24 22:24:49,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:49" (1/1) ... [2020-09-24 22:24:49,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:49" (1/1) ... [2020-09-24 22:24:49,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:49" (1/1) ... [2020-09-24 22:24:49,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:49" (1/1) ... [2020-09-24 22:24:49,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:24:49,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:24:49,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:24:49,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:24:49,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:24:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:24:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:24:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:24:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:24:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:24:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:24:49,588 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:24:49,588 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:24:49,588 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 22:24:49,588 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:24:49,588 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:24:49,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:24:49,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:24:49,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:24:49,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:24:49,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 22:24:49,590 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 22:24:49,590 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:24:49,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:24:49,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:24:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:24:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:24:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:24:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:24:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:24:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:24:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:24:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:24:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:24:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:24:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:24:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:24:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:24:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:24:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:24:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:24:49,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:24:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:24:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:24:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:24:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 22:24:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 22:24:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:24:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:24:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:24:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:24:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:24:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:24:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:24:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:24:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 22:24:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:24:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:24:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:24:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:24:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:24:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 22:24:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 22:24:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:24:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:24:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:24:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:24:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 22:24:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:24:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:24:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 22:24:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:24:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:24:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:24:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:24:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:24:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:24:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:24:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:24:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:24:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:24:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:24:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:24:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:24:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:24:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:24:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:24:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:24:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:24:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:24:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:24:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:24:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:24:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:24:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:24:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:24:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:24:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:24:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:24:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:24:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:24:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:24:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:24:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:24:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:24:50,696 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:24:50,697 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:24:50,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:24:50 BoogieIcfgContainer [2020-09-24 22:24:50,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:24:50,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:24:50,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:24:50,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:24:50,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:24:48" (1/3) ... [2020-09-24 22:24:50,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527d1e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:24:50, skipping insertion in model container [2020-09-24 22:24:50,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:24:49" (2/3) ... [2020-09-24 22:24:50,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527d1e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:24:50, skipping insertion in model container [2020-09-24 22:24:50,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:24:50" (3/3) ... [2020-09-24 22:24:50,713 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2020-09-24 22:24:50,724 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:24:50,735 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:24:50,757 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:24:50,788 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:24:50,789 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:24:50,789 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:24:50,789 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:24:50,789 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:24:50,789 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:24:50,789 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:24:50,790 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:24:50,818 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2020-09-24 22:24:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 22:24:50,837 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:24:50,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:24:50,839 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:24:50,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:24:50,846 INFO L82 PathProgramCache]: Analyzing trace with hash 978294910, now seen corresponding path program 1 times [2020-09-24 22:24:50,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:24:50,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581089121] [2020-09-24 22:24:50,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:24:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:51,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:51,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:52,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:53,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:55,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:56,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:56,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 22:24:56,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:24:56,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-24 22:24:56,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:56,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:24:56,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-24 22:24:56,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:24:56,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-24 22:24:56,875 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 22:24:56,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:24:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:56,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:57,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:57,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:24:57,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:57,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-24 22:24:57,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:57,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:24:57,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:57,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:24:57,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:57,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 22:24:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:57,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:57,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:57,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:24:57,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:24:57,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:24:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:24:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:57,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 22:24:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:57,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:57,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:57,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:24:57,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:57,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:24:57,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:24:57,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:57,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:24:57,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:57,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 22:24:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:57,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:57,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:57,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:24:57,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:57,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:24:57,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:57,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:24:57,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:57,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:24:57,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:24:57,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 22:24:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:57,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:57,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:57,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:24:57,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:57,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:24:57,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:57,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:24:57,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:24:57,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:57,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:24:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:57,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:57,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:57,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:24:57,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:57,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 22:24:57,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:57,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:24:57,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:57,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:24:57,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:57,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 22:24:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:24:57,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:24:57,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:24:57,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:24:57,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:24:57,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:24:57,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:24:57,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:24:57,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:24:57,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:24:57,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:24:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:24:57,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581089121] [2020-09-24 22:24:57,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:24:57,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:24:57,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988167402] [2020-09-24 22:24:57,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:24:57,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:24:57,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:24:57,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:24:57,287 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 8 states. [2020-09-24 22:24:57,886 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:24:58,954 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:24:59,317 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:24:59,655 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:24:59,980 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:00,284 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:01,297 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:25:01,617 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:02,051 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:03,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:25:03,401 INFO L93 Difference]: Finished difference Result 689 states and 854 transitions. [2020-09-24 22:25:03,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:25:03,404 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 22:25:03,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:25:03,427 INFO L225 Difference]: With dead ends: 689 [2020-09-24 22:25:03,428 INFO L226 Difference]: Without dead ends: 455 [2020-09-24 22:25:03,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-24 22:25:03,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2020-09-24 22:25:03,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 412. [2020-09-24 22:25:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-09-24 22:25:03,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 472 transitions. [2020-09-24 22:25:03,583 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 472 transitions. Word has length 142 [2020-09-24 22:25:03,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:25:03,583 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 472 transitions. [2020-09-24 22:25:03,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:25:03,584 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 472 transitions. [2020-09-24 22:25:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-24 22:25:03,590 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:25:03,591 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:25:03,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:25:03,591 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:25:03,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:25:03,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1773438588, now seen corresponding path program 1 times [2020-09-24 22:25:03,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:25:03,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625904609] [2020-09-24 22:25:03,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:25:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:03,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:04,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:04,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:08,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:08,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-09-24 22:25:08,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:25:08,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-24 22:25:08,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 22:25:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-09-24 22:25:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 22:25:08,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:09,072 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 22:25:09,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:25:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:09,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:25:09,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:09,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 22:25:09,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:09,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:09,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:09,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:09,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 22:25:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:09,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:09,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:09,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:25:09,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:09,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 22:25:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:09,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:09,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:09,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:25:09,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:09,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:09,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:09,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:09,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 22:25:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:09,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:09,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:09,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:25:09,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:09,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:09,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:09,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:09,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 22:25:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:09,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:09,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:09,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:25:09,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:09,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:09,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:09,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 22:25:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:09,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:25:09,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:09,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:25:09,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:09,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:09,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:09,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 22:25:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:09,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:09,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:25:10,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:25:10,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 874 [2020-09-24 22:25:10,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:25:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:25:10,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:25:10,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:10,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:25:10,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-24 22:25:10,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:25:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 22:25:10,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:25:10,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:10,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:25:10,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 22:25:10,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:25:10,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:25:10,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:25:10,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:25:10,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 22:25:10,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:25:10,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:10,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:25:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:25:10,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:25:10,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:10,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:25:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:25:10,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 22:25:10,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:25:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:25:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:25:10,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:10,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:25:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:10,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:10,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:25:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:25:10,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:25:10,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:10,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 22:25:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:10,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:25:10,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:10,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:25:10,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 22:25:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:10,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:10,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:10,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:10,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:10,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:25:10,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:10,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:10,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:25:10,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:10,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:25:10,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625904609] [2020-09-24 22:25:10,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:25:10,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 22:25:10,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937424421] [2020-09-24 22:25:10,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 22:25:10,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:25:10,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 22:25:10,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:25:10,721 INFO L87 Difference]: Start difference. First operand 412 states and 472 transitions. Second operand 15 states. [2020-09-24 22:25:11,223 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:25:12,277 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:12,623 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:13,015 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:13,412 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:13,749 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:14,388 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 22:25:14,698 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:14,988 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:15,299 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:15,634 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:25:15,987 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:16,331 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:16,653 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:25:16,980 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:25:17,723 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:18,034 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:25:18,358 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:25:18,671 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:19,008 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:25:19,303 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:25:22,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:25:22,079 INFO L93 Difference]: Finished difference Result 1288 states and 1750 transitions. [2020-09-24 22:25:22,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-24 22:25:22,080 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 221 [2020-09-24 22:25:22,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:25:22,092 INFO L225 Difference]: With dead ends: 1288 [2020-09-24 22:25:22,092 INFO L226 Difference]: Without dead ends: 937 [2020-09-24 22:25:22,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=296, Invalid=1264, Unknown=0, NotChecked=0, Total=1560 [2020-09-24 22:25:22,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-09-24 22:25:22,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 683. [2020-09-24 22:25:22,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2020-09-24 22:25:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 787 transitions. [2020-09-24 22:25:22,219 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 787 transitions. Word has length 221 [2020-09-24 22:25:22,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:25:22,220 INFO L479 AbstractCegarLoop]: Abstraction has 683 states and 787 transitions. [2020-09-24 22:25:22,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 22:25:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 787 transitions. [2020-09-24 22:25:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-09-24 22:25:22,226 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:25:22,226 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:25:22,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:25:22,227 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:25:22,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:25:22,227 INFO L82 PathProgramCache]: Analyzing trace with hash -643207524, now seen corresponding path program 1 times [2020-09-24 22:25:22,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:25:22,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [135669255] [2020-09-24 22:25:22,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:25:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:22,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:22,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:22,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:22,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:22,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:23,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:27,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:27,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-09-24 22:25:27,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 22:25:27,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-24 22:25:27,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 220 [2020-09-24 22:25:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:25:27,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:27,681 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 22:25:27,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:25:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:27,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:27,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:27,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 22:25:27,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:27,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-24 22:25:27,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:27,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:27,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:27,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 22:25:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:27,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:27,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:27,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:27,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:27,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:27,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:27,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:27,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:27,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:27,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:27,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 22:25:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:27,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:27,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:27,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:27,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:27,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:27,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:27,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:27,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:27,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:27,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:27,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 22:25:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:27,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:27,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:27,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:27,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:27,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:25:27,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:27,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:27,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:27,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:27,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:27,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 22:25:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:27,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:27,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:27,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:25:27,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:27,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:27,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:27,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:27,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:27,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:27,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:25:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:27,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:27,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:27,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:25:27,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:25:27,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:27,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 22:25:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:27,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:27,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:27,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:25:27,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:27,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:27,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 22:25:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:27,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:27,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:27,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 22:25:27,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:27,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:25:27,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:27,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:27,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:27,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 22:25:28,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:25:28,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:28,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:28,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:28,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:28,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 22:25:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:25:28,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 22:25:28,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:28,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 22:25:28,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:25:28,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:28,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:25:28,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 22:25:28,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 22:25:28,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:25:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:25:28,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-24 22:25:28,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:28,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:25:28,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:25:28,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:28,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:25:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:25:28,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 22:25:28,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:25:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:25:28,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:25:28,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:28,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:25:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:25:28,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:25:28,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:25:28,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:25:28,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:28,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:25:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:25:28,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:25:28,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:25:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:25:28,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:25:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:25:28,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:28,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:25:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:28,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:25:28,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:25:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:25:28,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:25:28,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:25:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-24 22:25:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:28,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:25:28,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:25:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-24 22:25:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:28,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:28,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:25:28,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:25:28,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:25:28,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:25:28,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:25:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:25:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:25:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:25:28,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:25:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-24 22:25:28,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [135669255] [2020-09-24 22:25:28,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 22:25:28,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 22:25:28,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734328542] [2020-09-24 22:25:28,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 22:25:28,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:25:28,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 22:25:28,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-24 22:25:28,636 INFO L87 Difference]: Start difference. First operand 683 states and 787 transitions. Second operand 11 states. [2020-09-24 22:25:30,066 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 22:25:30,333 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:25:30,633 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:30,960 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:25:31,276 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:25:33,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:25:33,674 INFO L93 Difference]: Finished difference Result 1768 states and 2334 transitions. [2020-09-24 22:25:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 22:25:33,674 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 251 [2020-09-24 22:25:33,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:25:33,684 INFO L225 Difference]: With dead ends: 1768 [2020-09-24 22:25:33,685 INFO L226 Difference]: Without dead ends: 1195 [2020-09-24 22:25:33,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2020-09-24 22:25:33,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2020-09-24 22:25:33,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 695. [2020-09-24 22:25:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-09-24 22:25:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 799 transitions. [2020-09-24 22:25:33,792 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 799 transitions. Word has length 251 [2020-09-24 22:25:33,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:25:33,793 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 799 transitions. [2020-09-24 22:25:33,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 22:25:33,794 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 799 transitions. [2020-09-24 22:25:33,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-09-24 22:25:33,799 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:25:33,799 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:25:33,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:25:33,800 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:25:33,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:25:33,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1805632873, now seen corresponding path program 1 times [2020-09-24 22:25:33,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:25:33,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837828853] [2020-09-24 22:25:33,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:25:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:25:33,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:34,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:34,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:34,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:34,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:34,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:25:34,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking...