/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 SequenceOfStatements --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:44:25,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:44:25,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:44:25,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:44:25,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:44:25,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:44:25,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:44:25,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:44:25,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:44:25,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:44:25,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:44:25,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:44:25,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:44:25,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:44:25,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:44:25,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:44:25,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:44:25,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:44:25,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:44:25,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:44:25,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:44:25,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:44:25,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:44:25,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:44:25,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:44:25,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:44:25,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:44:25,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:44:25,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:44:25,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:44:25,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:44:25,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:44:25,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:44:25,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:44:25,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:44:25,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:44:25,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:44:25,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:44:25,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:44:25,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:44:25,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:44:25,227 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 [2020-10-15 01:44:25,265 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:44:25,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:44:25,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:44:25,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:44:25,268 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:44:25,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:44:25,268 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:44:25,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:44:25,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:44:25,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:44:25,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:44:25,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:44:25,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:44:25,271 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:44:25,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:44:25,271 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:44:25,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:44:25,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:44:25,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:44:25,272 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:44:25,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:44:25,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:44:25,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:44:25,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:44:25,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:44:25,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:44:25,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:44:25,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:44:25,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:44:25,274 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 -> SequenceOfStatements 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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:44:25,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:44:25,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:44:25,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:44:25,657 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:44:25,657 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:44:25,658 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2020-10-15 01:44:25,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52ec69962/fc746136708f4f0a90cde1c7c611f5a4/FLAGf867173e4 [2020-10-15 01:44:26,233 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:44:26,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2020-10-15 01:44:26,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52ec69962/fc746136708f4f0a90cde1c7c611f5a4/FLAGf867173e4 [2020-10-15 01:44:26,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52ec69962/fc746136708f4f0a90cde1c7c611f5a4 [2020-10-15 01:44:26,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:44:26,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:44:26,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:44:26,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:44:26,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:44:26,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:44:26" (1/1) ... [2020-10-15 01:44:26,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcf94a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:44:26, skipping insertion in model container [2020-10-15 01:44:26,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:44:26" (1/1) ... [2020-10-15 01:44:26,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:44:26,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:44:27,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:44:27,049 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:44:27,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:44:27,223 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:44:27,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:44:27 WrapperNode [2020-10-15 01:44:27,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:44:27,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:44:27,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:44:27,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:44:27,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:44:27" (1/1) ... [2020-10-15 01:44:27,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:44:27" (1/1) ... [2020-10-15 01:44:27,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:44:27" (1/1) ... [2020-10-15 01:44:27,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:44:27" (1/1) ... [2020-10-15 01:44:27,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:44:27" (1/1) ... [2020-10-15 01:44:27,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:44:27" (1/1) ... [2020-10-15 01:44:27,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:44:27" (1/1) ... [2020-10-15 01:44:27,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:44:27,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:44:27,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:44:27,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:44:27,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:44:27" (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 [2020-10-15 01:44:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:44:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:44:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:44:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:44:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:44:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-15 01:44:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:44:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:44:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:44:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:44:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:44:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:44:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:44:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-15 01:44:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:44:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-15 01:44:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:44:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:44:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:44:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:44:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:44:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:44:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:44:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-15 01:44:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:44:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:44:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:44:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:44:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:44:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:44:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:44:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:44:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:44:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:44:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:44:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:44:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:44:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:44:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:44:27,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:44:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:44:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:44:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:44:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:44:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:44:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:44:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:44:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-15 01:44:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:44:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:44:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:44:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:44:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:44:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-15 01:44:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:44:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:44:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:44:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-15 01:44:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-15 01:44:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:44:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:44:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:44:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:44:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:44:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:44:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:44:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:44:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:44:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:44:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:44:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:44:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:44:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:44:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:44:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:44:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:44:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:44:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:44:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:44:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:44:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:44:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:44:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:44:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:44:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:44:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:44:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:44:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:44:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:44:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:44:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:44:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:44:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:44:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:44:28,504 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:44:28,504 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:44:28,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:44:28 BoogieIcfgContainer [2020-10-15 01:44:28,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:44:28,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:44:28,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:44:28,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:44:28,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:44:26" (1/3) ... [2020-10-15 01:44:28,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bb701a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:44:28, skipping insertion in model container [2020-10-15 01:44:28,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:44:27" (2/3) ... [2020-10-15 01:44:28,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bb701a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:44:28, skipping insertion in model container [2020-10-15 01:44:28,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:44:28" (3/3) ... [2020-10-15 01:44:28,519 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2020-10-15 01:44:28,531 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:44:28,540 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:44:28,555 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:44:28,580 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:44:28,581 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:44:28,581 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:44:28,581 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:44:28,581 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:44:28,581 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:44:28,582 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:44:28,582 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:44:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2020-10-15 01:44:28,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-15 01:44:28,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:44:28,618 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] [2020-10-15 01:44:28,619 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:44:28,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:44:28,626 INFO L82 PathProgramCache]: Analyzing trace with hash 2107173997, now seen corresponding path program 1 times [2020-10-15 01:44:28,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:44:28,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027966667] [2020-10-15 01:44:28,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:44:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:29,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:29,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:29,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:31,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:31,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-15 01:44:31,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:44:31,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2252 [2020-10-15 01:44:31,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:31,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:31,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:44:31,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:31,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 01:44:31,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 01:44:31,766 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:44:31,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:44:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:31,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:31,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:31,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:31,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:31,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-15 01:44:31,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:31,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:44:31,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:31,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:44:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:31,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:31,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:31,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:31,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:31,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:31,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:31,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:31,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:31,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:31,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:31,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:31,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:44:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:31,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:31,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:31,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:31,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:31,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:44:31,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:31,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:31,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:31,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:44:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:31,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:31,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:31,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:31,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:31,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:44:31,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:31,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:31,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:31,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:31,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:31,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:31,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:44:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:31,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:31,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:31,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:31,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:31,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:44:31,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:31,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:31,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:31,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:31,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:31,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:31,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:44:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:31,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:31,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:31,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:31,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:31,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:44:31,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:31,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:31,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:32,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:32,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:32,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:32,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:44:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:32,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:32,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:32,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:32,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:32,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:44:32,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:32,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:32,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:44:32,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:32,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:32,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:32,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:44:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:32,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:32,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:32,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:32,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:32,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:32,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:32,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:32,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:32,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:32,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:32,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:44:32,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027966667] [2020-10-15 01:44:32,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:44:32,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:44:32,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402735885] [2020-10-15 01:44:32,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:44:32,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:44:32,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:44:32,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:44:32,095 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 7 states. [2020-10-15 01:44:32,949 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:34,395 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:44:34,844 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:44:35,240 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:44:35,499 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:36,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:44:36,875 INFO L93 Difference]: Finished difference Result 434 states and 587 transitions. [2020-10-15 01:44:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:44:36,881 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-15 01:44:36,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:44:36,904 INFO L225 Difference]: With dead ends: 434 [2020-10-15 01:44:36,904 INFO L226 Difference]: Without dead ends: 278 [2020-10-15 01:44:36,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:44:36,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-10-15 01:44:37,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 244. [2020-10-15 01:44:37,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-15 01:44:37,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 298 transitions. [2020-10-15 01:44:37,057 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 298 transitions. Word has length 52 [2020-10-15 01:44:37,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:44:37,058 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 298 transitions. [2020-10-15 01:44:37,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:44:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 298 transitions. [2020-10-15 01:44:37,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-15 01:44:37,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:44:37,064 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] [2020-10-15 01:44:37,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:44:37,065 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:44:37,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:44:37,065 INFO L82 PathProgramCache]: Analyzing trace with hash -977914288, now seen corresponding path program 1 times [2020-10-15 01:44:37,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:44:37,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634413590] [2020-10-15 01:44:37,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:44:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:37,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:37,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:37,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:37,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:39,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:42,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:42,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-15 01:44:42,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:44:42,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-15 01:44:42,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:42,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:42,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 01:44:42,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:42,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-15 01:44:42,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:42,414 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:44:42,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:44:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:42,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:42,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:42,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:42,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:42,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-15 01:44:42,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:42,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:42,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:44:42,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:42,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:44:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:42,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:42,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:42,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:42,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:42,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:42,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:42,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:42,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:42,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:44:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:42,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:42,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:42,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:42,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:42,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:42,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:42,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:42,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:42,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:42,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:44:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:42,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:42,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:42,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:42,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:42,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:42,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:42,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:42,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:44:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:42,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:42,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:42,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:42,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:42,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:42,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:42,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:42,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:42,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:42,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:44:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:42,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:42,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:42,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:42,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:44:42,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:42,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:44:42,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:44:42,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:44:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 01:44:42,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:44:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:42,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:42,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:42,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:42,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:42,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:42,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:42,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 01:44:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:42,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:42,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:42,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:42,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:42,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:44:42,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:42,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:42,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:44:42,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:42,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:42,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:42,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 01:44:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:42,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:42,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:42,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:42,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:42,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:42,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:42,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:42,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:42,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:42,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:42,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:42,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:44:42,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634413590] [2020-10-15 01:44:42,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:44:42,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 01:44:42,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049445159] [2020-10-15 01:44:42,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 01:44:42,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:44:42,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 01:44:42,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:44:42,684 INFO L87 Difference]: Start difference. First operand 244 states and 298 transitions. Second operand 10 states. [2020-10-15 01:44:43,244 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:43,948 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:44,553 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:44:44,980 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:44:45,328 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:44:45,603 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:44:46,041 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:44:46,399 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:44:46,675 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:47,199 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-10-15 01:44:47,704 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:44:48,877 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-10-15 01:44:49,444 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-10-15 01:44:51,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:44:51,531 INFO L93 Difference]: Finished difference Result 646 states and 913 transitions. [2020-10-15 01:44:51,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 01:44:51,532 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-10-15 01:44:51,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:44:51,540 INFO L225 Difference]: With dead ends: 646 [2020-10-15 01:44:51,541 INFO L226 Difference]: Without dead ends: 486 [2020-10-15 01:44:51,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2020-10-15 01:44:51,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-10-15 01:44:51,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 417. [2020-10-15 01:44:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-10-15 01:44:51,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 511 transitions. [2020-10-15 01:44:51,661 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 511 transitions. Word has length 57 [2020-10-15 01:44:51,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:44:51,662 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 511 transitions. [2020-10-15 01:44:51,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 01:44:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 511 transitions. [2020-10-15 01:44:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-15 01:44:51,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:44:51,666 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] [2020-10-15 01:44:51,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:44:51,667 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:44:51,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:44:51,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1803075355, now seen corresponding path program 1 times [2020-10-15 01:44:51,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:44:51,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086609372] [2020-10-15 01:44:51,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:44:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:51,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:51,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:51,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:54,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:56,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:56,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 01:44:56,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:44:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 01:44:56,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:56,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 01:44:56,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:56,970 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:44:56,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:44:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:56,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:57,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:57,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:57,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:57,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-15 01:44:57,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:57,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:57,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:57,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:57,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:44:57,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:57,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:44:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:57,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:57,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:57,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:57,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:57,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:57,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:57,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:57,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:57,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:44:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:57,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:57,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:57,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:57,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:57,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:44:57,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:57,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:57,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:57,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:57,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:44:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:57,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:57,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:57,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:57,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:57,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:57,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:57,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:57,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:44:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:57,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:57,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:57,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:44:57,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:57,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:57,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:57,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:44:57,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:57,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:44:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:57,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:57,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:57,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:57,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:57,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:57,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:57,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:57,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:57,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:57,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:57,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:44:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:57,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:57,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:57,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:57,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:57,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:44:57,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:57,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:57,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:44:57,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:44:57,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:44:57,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:57,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 01:44:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:57,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:57,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:57,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:57,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:57,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:57,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:57,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:57,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:57,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:57,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:57,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 01:44:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:57,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:57,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:57,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:57,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:57,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:57,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:57,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:57,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:57,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:44:57,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 01:44:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:57,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:57,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:44:57,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:44:57,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:44:57,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:44:57,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:44:57,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:44:57,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:44:57,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:44:57,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:44:57,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:44:57,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:44:57,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086609372] [2020-10-15 01:44:57,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:44:57,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 01:44:57,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38101645] [2020-10-15 01:44:57,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 01:44:57,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:44:57,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 01:44:57,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 01:44:57,188 INFO L87 Difference]: Start difference. First operand 417 states and 511 transitions. Second operand 5 states. [2020-10-15 01:44:57,545 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:44:58,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:44:58,563 INFO L93 Difference]: Finished difference Result 862 states and 1109 transitions. [2020-10-15 01:44:58,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 01:44:58,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-10-15 01:44:58,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:44:58,568 INFO L225 Difference]: With dead ends: 862 [2020-10-15 01:44:58,568 INFO L226 Difference]: Without dead ends: 469 [2020-10-15 01:44:58,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:44:58,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-10-15 01:44:58,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 417. [2020-10-15 01:44:58,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-10-15 01:44:58,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 505 transitions. [2020-10-15 01:44:58,661 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 505 transitions. Word has length 65 [2020-10-15 01:44:58,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:44:58,662 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 505 transitions. [2020-10-15 01:44:58,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 01:44:58,662 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 505 transitions. [2020-10-15 01:44:58,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-15 01:44:58,666 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:44:58,666 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] [2020-10-15 01:44:58,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:44:58,666 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:44:58,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:44:58,667 INFO L82 PathProgramCache]: Analyzing trace with hash 60573502, now seen corresponding path program 1 times [2020-10-15 01:44:58,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:44:58,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730304370] [2020-10-15 01:44:58,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:44:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:44:58,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:58,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:59,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:44:59,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:00,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:00,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-15 01:45:00,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:45:00,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2240 [2020-10-15 01:45:00,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:00,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:00,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 01:45:00,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:00,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-15 01:45:00,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:01,214 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:45:01,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:45:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:01,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:01,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-15 01:45:01,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:45:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:01,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:45:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:01,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:01,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:01,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:01,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:01,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:45:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:01,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:01,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:01,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:01,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:01,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:45:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:01,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:01,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:01,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:45:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:01,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:01,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:01,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:01,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:01,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:01,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:01,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:45:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:01,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:01,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:45:01,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:01,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:01,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:01,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:01,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:45:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 01:45:01,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:45:01,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:45:01,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 01:45:01,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:45:01,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 01:45:01,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:01,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:45:01,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:01,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:45:01,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:45:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:45:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:45:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:01,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:01,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:01,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:01,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:01,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:01,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:01,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:01,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 01:45:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:01,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:01,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:01,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:01,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:01,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 01:45:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:01,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:01,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:01,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:01,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:01,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:01,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-15 01:45:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:01,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:01,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:01,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:01,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:01,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:01,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:01,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:01,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:01,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:01,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:01,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:01,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:45:01,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730304370] [2020-10-15 01:45:01,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:45:01,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:45:01,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649012893] [2020-10-15 01:45:01,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:45:01,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:45:01,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:45:01,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:45:01,454 INFO L87 Difference]: Start difference. First operand 417 states and 505 transitions. Second operand 7 states. [2020-10-15 01:45:02,036 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:03,255 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:45:04,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:45:04,720 INFO L93 Difference]: Finished difference Result 1094 states and 1451 transitions. [2020-10-15 01:45:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 01:45:04,721 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-10-15 01:45:04,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:45:04,727 INFO L225 Difference]: With dead ends: 1094 [2020-10-15 01:45:04,727 INFO L226 Difference]: Without dead ends: 701 [2020-10-15 01:45:04,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-10-15 01:45:04,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2020-10-15 01:45:04,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 638. [2020-10-15 01:45:04,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-10-15 01:45:04,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 774 transitions. [2020-10-15 01:45:04,862 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 774 transitions. Word has length 74 [2020-10-15 01:45:04,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:45:04,863 INFO L479 AbstractCegarLoop]: Abstraction has 638 states and 774 transitions. [2020-10-15 01:45:04,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:45:04,863 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 774 transitions. [2020-10-15 01:45:04,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-15 01:45:04,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:45:04,865 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] [2020-10-15 01:45:04,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:45:04,866 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:45:04,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:45:04,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1024694334, now seen corresponding path program 1 times [2020-10-15 01:45:04,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:45:04,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806593098] [2020-10-15 01:45:04,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:45:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:04,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:04,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-15 01:45:07,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:45:07,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2545 [2020-10-15 01:45:07,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 01:45:07,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:07,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-15 01:45:07,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:07,698 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:45:07,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:45:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:07,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-15 01:45:07,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:45:07,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:07,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:45:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:07,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:07,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:07,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:07,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:07,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:45:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:07,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:07,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:07,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:45:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:07,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:07,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:07,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:07,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:45:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:07,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:07,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:07,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:07,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:45:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:07,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:45:07,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:45:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:45:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:45:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:07,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:45:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 01:45:07,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:45:07,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 01:45:07,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 01:45:07,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:07,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:45:07,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:45:07,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:07,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 01:45:07,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:07,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:45:07,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:45:07,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:07,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:07,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:45:07,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:07,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:45:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:45:07,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:07,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 01:45:07,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:07,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:45:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:07,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:07,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:07,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 01:45:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:07,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:07,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:07,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:07,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 01:45:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:07,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:07,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:07,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:07,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 01:45:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:07,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:07,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:07,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:07,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:07,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:07,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:07,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:45:07,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806593098] [2020-10-15 01:45:07,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:45:07,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:45:07,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337580829] [2020-10-15 01:45:07,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:45:07,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:45:07,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:45:07,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:45:07,965 INFO L87 Difference]: Start difference. First operand 638 states and 774 transitions. Second operand 9 states. [2020-10-15 01:45:08,385 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:08,952 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:10,447 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:11,860 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-10-15 01:45:12,449 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-10-15 01:45:15,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:45:15,279 INFO L93 Difference]: Finished difference Result 1835 states and 2367 transitions. [2020-10-15 01:45:15,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-15 01:45:15,280 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-15 01:45:15,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:45:15,291 INFO L225 Difference]: With dead ends: 1835 [2020-10-15 01:45:15,291 INFO L226 Difference]: Without dead ends: 1337 [2020-10-15 01:45:15,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2020-10-15 01:45:15,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2020-10-15 01:45:15,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1202. [2020-10-15 01:45:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1202 states. [2020-10-15 01:45:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1459 transitions. [2020-10-15 01:45:15,509 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1459 transitions. Word has length 88 [2020-10-15 01:45:15,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:45:15,509 INFO L479 AbstractCegarLoop]: Abstraction has 1202 states and 1459 transitions. [2020-10-15 01:45:15,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:45:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1459 transitions. [2020-10-15 01:45:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-15 01:45:15,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:45:15,511 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] [2020-10-15 01:45:15,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:45:15,512 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:45:15,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:45:15,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1947377917, now seen corresponding path program 1 times [2020-10-15 01:45:15,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:45:15,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844181910] [2020-10-15 01:45:15,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:45:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:15,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:15,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:15,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-15 01:45:15,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:15,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-15 01:45:15,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:15,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:45:15,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-15 01:45:15,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:15,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,009 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:45:16,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:45:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:16,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 01:45:16,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:16,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:16,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:16,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:45:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:16,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:16,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:16,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:45:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:16,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:16,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:16,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:16,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:16,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:45:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:16,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:45:16,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:16,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:45:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:16,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:16,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:16,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:45:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:16,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:16,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:16,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:16,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:16,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:16,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:45:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 01:45:16,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:45:16,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:45:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 01:45:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:16,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:45:16,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:45:16,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:45:16,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:45:16,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:16,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:45:16,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:45:16,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:45:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:45:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:16,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:16,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:45:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:45:16,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:45:16,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:45:16,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:16,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:16,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:16,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:45:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:16,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:16,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 01:45:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 01:45:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:16,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:16,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:16,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 01:45:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:16,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:16,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:16,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:16,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:16,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 01:45:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:16,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:16,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:16,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:16,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:16,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:16,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:16,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:45:16,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844181910] [2020-10-15 01:45:16,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:45:16,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 01:45:16,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117130113] [2020-10-15 01:45:16,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 01:45:16,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:45:16,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 01:45:16,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:45:16,212 INFO L87 Difference]: Start difference. First operand 1202 states and 1459 transitions. Second operand 8 states. [2020-10-15 01:45:17,065 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:45:17,285 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:45:17,529 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:45:19,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:45:19,144 INFO L93 Difference]: Finished difference Result 2313 states and 2903 transitions. [2020-10-15 01:45:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:45:19,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-10-15 01:45:19,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:45:19,156 INFO L225 Difference]: With dead ends: 2313 [2020-10-15 01:45:19,157 INFO L226 Difference]: Without dead ends: 1295 [2020-10-15 01:45:19,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:45:19,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-10-15 01:45:19,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1202. [2020-10-15 01:45:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1202 states. [2020-10-15 01:45:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1457 transitions. [2020-10-15 01:45:19,388 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1457 transitions. Word has length 88 [2020-10-15 01:45:19,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:45:19,389 INFO L479 AbstractCegarLoop]: Abstraction has 1202 states and 1457 transitions. [2020-10-15 01:45:19,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 01:45:19,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1457 transitions. [2020-10-15 01:45:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-15 01:45:19,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:45:19,393 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] [2020-10-15 01:45:19,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:45:19,393 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:45:19,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:45:19,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1503583877, now seen corresponding path program 1 times [2020-10-15 01:45:19,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:45:19,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075744041] [2020-10-15 01:45:19,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:45:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:19,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:19,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:19,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-15 01:45:19,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:19,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-15 01:45:19,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:19,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:19,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:45:19,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-15 01:45:19,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:45:19,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:20,053 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:45:20,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:45:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:20,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 01:45:20,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:20,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:20,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:45:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:20,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:20,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:20,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:20,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:20,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:20,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:45:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:20,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:20,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:20,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:20,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:45:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:20,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:20,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:20,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:20,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:20,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:20,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:45:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:20,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:20,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:20,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:20,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:45:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:20,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:20,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:20,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:45:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 01:45:20,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 01:45:20,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:45:20,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 01:45:20,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:45:20,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:20,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:45:20,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:45:20,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:45:20,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:45:20,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:45:20,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:20,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:45:20,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:45:20,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:45:20,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:20,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:45:20,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:20,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:45:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:45:20,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:20,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:20,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:20,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:20,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:20,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:45:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:20,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:20,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 01:45:20,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:20,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:20,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 01:45:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:20,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:20,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:20,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:20,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 01:45:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:20,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:20,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:20,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:20,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 01:45:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:20,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:20,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:20,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:20,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:20,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:20,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:20,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:20,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:20,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:20,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:20,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:45:20,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075744041] [2020-10-15 01:45:20,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:45:20,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:45:20,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929670455] [2020-10-15 01:45:20,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:45:20,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:45:20,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:45:20,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:45:20,293 INFO L87 Difference]: Start difference. First operand 1202 states and 1457 transitions. Second operand 9 states. [2020-10-15 01:45:21,246 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:45:21,500 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:45:21,762 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:45:21,996 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:45:23,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:45:23,361 INFO L93 Difference]: Finished difference Result 2379 states and 2966 transitions. [2020-10-15 01:45:23,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 01:45:23,362 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-15 01:45:23,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:45:23,370 INFO L225 Difference]: With dead ends: 2379 [2020-10-15 01:45:23,370 INFO L226 Difference]: Without dead ends: 1201 [2020-10-15 01:45:23,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:45:23,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2020-10-15 01:45:23,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1136. [2020-10-15 01:45:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1136 states. [2020-10-15 01:45:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1365 transitions. [2020-10-15 01:45:23,549 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1365 transitions. Word has length 88 [2020-10-15 01:45:23,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:45:23,550 INFO L479 AbstractCegarLoop]: Abstraction has 1136 states and 1365 transitions. [2020-10-15 01:45:23,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:45:23,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1365 transitions. [2020-10-15 01:45:23,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-15 01:45:23,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:45:23,552 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] [2020-10-15 01:45:23,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:45:23,552 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:45:23,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:45:23,553 INFO L82 PathProgramCache]: Analyzing trace with hash -254991864, now seen corresponding path program 1 times [2020-10-15 01:45:23,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:45:23,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781368519] [2020-10-15 01:45:23,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:45:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:23,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:23,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:23,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-15 01:45:23,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:23,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-15 01:45:23,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:23,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:45:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-15 01:45:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-15 01:45:23,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,130 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:45:24,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:45:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:24,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 01:45:24,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:24,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:45:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:24,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:24,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:24,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:24,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:45:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:24,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:24,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:24,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:45:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:24,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:45:24,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:24,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:24,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:45:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:24,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:24,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:24,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:45:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:24,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:24,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:24,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-15 01:45:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:45:24,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:45:24,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:24,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 01:45:24,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:45:24,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:45:24,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-15 01:45:24,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:45:24,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:45:24,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:24,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:24,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:45:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:45:24,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:24,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:24,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:24,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:24,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:45:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:24,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:24,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:24,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:45:24,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 01:45:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:24,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:24,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:24,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:24,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 01:45:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:24,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:24,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:24,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:24,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-15 01:45:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:24,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:24,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:24,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:24,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:24,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:45:24,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:24,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:24,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:45:24,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:24,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:24,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:45:24,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781368519] [2020-10-15 01:45:24,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:45:24,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:45:24,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696151294] [2020-10-15 01:45:24,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:45:24,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:45:24,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:45:24,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:45:24,317 INFO L87 Difference]: Start difference. First operand 1136 states and 1365 transitions. Second operand 9 states. [2020-10-15 01:45:25,364 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:25,955 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:45:26,298 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:45:26,553 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:45:27,235 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:27,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:45:27,924 INFO L93 Difference]: Finished difference Result 2286 states and 2765 transitions. [2020-10-15 01:45:27,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 01:45:27,931 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-15 01:45:27,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:45:27,938 INFO L225 Difference]: With dead ends: 2286 [2020-10-15 01:45:27,938 INFO L226 Difference]: Without dead ends: 1174 [2020-10-15 01:45:27,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-10-15 01:45:27,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2020-10-15 01:45:28,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1098. [2020-10-15 01:45:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1098 states. [2020-10-15 01:45:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1272 transitions. [2020-10-15 01:45:28,151 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1272 transitions. Word has length 89 [2020-10-15 01:45:28,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:45:28,152 INFO L479 AbstractCegarLoop]: Abstraction has 1098 states and 1272 transitions. [2020-10-15 01:45:28,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:45:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1272 transitions. [2020-10-15 01:45:28,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-15 01:45:28,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:45:28,159 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:45:28,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 01:45:28,160 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:45:28,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:45:28,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1683713253, now seen corresponding path program 1 times [2020-10-15 01:45:28,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:45:28,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937354469] [2020-10-15 01:45:28,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:45:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:28,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:28,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:28,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:28,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:28,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:31,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:31,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-15 01:45:33,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-15 01:45:33,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 01:45:33,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 01:45:33,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:33,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-15 01:45:33,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:33,514 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:45:33,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:45:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:33,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-15 01:45:33,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:33,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:45:33,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:45:33,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:45:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:33,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:45:33,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:33,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:33,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:45:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:33,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:33,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:33,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:45:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:33,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:45:33,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:33,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:33,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:45:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:33,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:33,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:33,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:45:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:33,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:45:33,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:45:33,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:45:33,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:45:33,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:45:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 01:45:33,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:45:33,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 01:45:33,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:45:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:45:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 01:45:33,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:45:33,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 01:45:33,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 01:45:33,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:45:33,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:45:33,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:33,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:33,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:45:33,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:45:33,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:33,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:33,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:45:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:45:33,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:33,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:33,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:45:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:33,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:33,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:33,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:45:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:45:33,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:45:33,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:33,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:45:33,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:45:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:33,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:33,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:33,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:33,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:33,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-15 01:45:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:33,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:33,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:45:33,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:45:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:45:33,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:45:33,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:33,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 01:45:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:33,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:33,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:33,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:45:33,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:45:33,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-15 01:45:33,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:33,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:33,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:45:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:45:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-15 01:45:33,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:33,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:34,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:34,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:34,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 01:45:34,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:34,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 01:45:34,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:34,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:34,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:45:34,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:34,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 01:45:34,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:34,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:45:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:34,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:34,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:34,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:34,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:34,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:45:34,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:34,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:34,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:45:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:34,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:45:34,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:34,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 01:45:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:34,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:34,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:34,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:34,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:34,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:34,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:34,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:34,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:34,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:34,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:34,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-15 01:45:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:34,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:34,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:34,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:34,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:34,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:45:34,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:34,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:34,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:34,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:34,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:34,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:34,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-15 01:45:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:34,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:34,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:34,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:34,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:34,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:34,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:34,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:34,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:34,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:34,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-15 01:45:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:34,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:34,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:34,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:34,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:34,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:34,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:34,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:34,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-15 01:45:34,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1937354469] [2020-10-15 01:45:34,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:45:34,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-15 01:45:34,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001162373] [2020-10-15 01:45:34,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 01:45:34,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:45:34,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 01:45:34,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:45:34,262 INFO L87 Difference]: Start difference. First operand 1098 states and 1272 transitions. Second operand 15 states. [2020-10-15 01:45:34,804 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:35,416 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:37,023 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:37,265 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:37,825 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-15 01:45:38,087 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 01:45:38,577 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-10-15 01:45:38,862 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-15 01:45:39,382 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-10-15 01:45:40,928 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-15 01:45:41,240 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 01:45:41,545 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-15 01:45:44,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:45:44,328 INFO L93 Difference]: Finished difference Result 3107 states and 3962 transitions. [2020-10-15 01:45:44,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-15 01:45:44,329 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 134 [2020-10-15 01:45:44,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:45:44,342 INFO L225 Difference]: With dead ends: 3107 [2020-10-15 01:45:44,342 INFO L226 Difference]: Without dead ends: 2151 [2020-10-15 01:45:44,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=377, Invalid=1693, Unknown=0, NotChecked=0, Total=2070 [2020-10-15 01:45:44,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2020-10-15 01:45:44,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 1716. [2020-10-15 01:45:44,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1716 states. [2020-10-15 01:45:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1716 states and 2033 transitions. [2020-10-15 01:45:44,620 INFO L78 Accepts]: Start accepts. Automaton has 1716 states and 2033 transitions. Word has length 134 [2020-10-15 01:45:44,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:45:44,620 INFO L479 AbstractCegarLoop]: Abstraction has 1716 states and 2033 transitions. [2020-10-15 01:45:44,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 01:45:44,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2033 transitions. [2020-10-15 01:45:44,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-15 01:45:44,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:45:44,623 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:45:44,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 01:45:44,624 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:45:44,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:45:44,624 INFO L82 PathProgramCache]: Analyzing trace with hash -131744994, now seen corresponding path program 1 times [2020-10-15 01:45:44,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:45:44,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112627003] [2020-10-15 01:45:44,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:45:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:44,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:44,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:46,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:49,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:49,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-15 01:45:49,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:45:49,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-15 01:45:49,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:49,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 01:45:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-15 01:45:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 01:45:49,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:49,940 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:45:49,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:45:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:49,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:49,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:49,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:49,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:49,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 01:45:49,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:49,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:49,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:49,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:45:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:49,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:49,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:49,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:49,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:49,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:49,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:49,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:49,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:45:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:49,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:49,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:49,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:49,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:49,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:49,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:49,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:49,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:49,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:45:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:49,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:49,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:49,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:49,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:49,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:49,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:49,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:49,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:45:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:49,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:49,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:49,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:45:49,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:49,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:49,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:49,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:49,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:49,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:45:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:50,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:45:50,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:45:50,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:45:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 01:45:50,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 01:45:50,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:45:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:45:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 01:45:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:50,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:45:50,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:45:50,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:50,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 01:45:50,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:45:50,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:45:50,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:45:50,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:45:50,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:50,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:45:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:45:50,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:50,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:50,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:45:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:50,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:50,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:50,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:50,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:45:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:45:50,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:45:50,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:45:50,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:45:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:50,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:50,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:50,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 01:45:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:50,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:45:50,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:45:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:45:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:45:50,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-15 01:45:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 01:45:50,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:45:50,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:50,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 01:45:50,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:45:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 01:45:50,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:45:50,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:50,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:45:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:50,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:50,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:50,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 01:45:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:50,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:50,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:50,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:50,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:45:50,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-15 01:45:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:50,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:45:50,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:45:50,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:50,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:50,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-15 01:45:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:50,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:45:50,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:45:50,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:45:50,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:45:50,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:50,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-15 01:45:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:45:50,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:45:50,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:45:50,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:45:50,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:45:50,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:45:50,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:45:50,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:45:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:45:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:45:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:45:50,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:45:50,272 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-15 01:45:50,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112627003] [2020-10-15 01:45:50,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:45:50,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 01:45:50,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485926892] [2020-10-15 01:45:50,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 01:45:50,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:45:50,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 01:45:50,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:45:50,279 INFO L87 Difference]: Start difference. First operand 1716 states and 2033 transitions. Second operand 13 states. [2020-10-15 01:45:50,749 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:51,334 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:45:51,801 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:45:52,690 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-10-15 01:45:52,966 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:45:53,208 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:45:53,521 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:45:54,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:45:54,665 INFO L93 Difference]: Finished difference Result 3279 states and 4089 transitions. [2020-10-15 01:45:54,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 01:45:54,666 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 138 [2020-10-15 01:45:54,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:45:54,668 INFO L225 Difference]: With dead ends: 3279 [2020-10-15 01:45:54,669 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 01:45:54,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2020-10-15 01:45:54,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 01:45:54,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 01:45:54,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 01:45:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 01:45:54,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2020-10-15 01:45:54,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:45:54,687 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 01:45:54,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 01:45:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 01:45:54,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 01:45:54,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 01:45:54,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 01:45:54,831 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-15 01:45:56,148 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 224 [2020-10-15 01:45:56,895 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 241 [2020-10-15 01:46:03,529 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 227 [2020-10-15 01:46:03,835 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 227 [2020-10-15 01:46:04,052 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 223 [2020-10-15 01:46:04,237 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 223 [2020-10-15 01:46:04,394 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 226 [2020-10-15 01:46:04,552 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 226 [2020-10-15 01:46:04,764 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 257 [2020-10-15 01:46:05,013 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 238 [2020-10-15 01:46:05,200 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 213 [2020-10-15 01:46:05,396 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 238 [2020-10-15 01:46:05,696 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 249 [2020-10-15 01:46:07,412 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 244 [2020-10-15 01:46:08,423 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 227 [2020-10-15 01:46:08,743 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 227 [2020-10-15 01:46:08,913 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 223 [2020-10-15 01:46:09,092 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 223 [2020-10-15 01:46:09,247 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 226 [2020-10-15 01:46:09,403 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 226 [2020-10-15 01:46:09,603 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 257 [2020-10-15 01:46:09,854 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 238 [2020-10-15 01:46:10,032 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 213 [2020-10-15 01:46:10,201 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 238 [2020-10-15 01:46:10,526 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 249 [2020-10-15 01:46:10,806 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 241 [2020-10-15 01:46:15,790 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-10-15 01:46:16,595 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 24 [2020-10-15 01:46:16,852 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-10-15 01:46:16,997 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-10-15 01:46:17,153 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-10-15 01:46:17,445 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 20 [2020-10-15 01:46:17,588 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-15 01:46:17,711 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-15 01:46:18,250 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 21 [2020-10-15 01:46:18,530 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 16 [2020-10-15 01:46:19,434 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 33 [2020-10-15 01:46:19,582 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-10-15 01:46:19,927 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 21 [2020-10-15 01:46:20,084 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-10-15 01:46:20,276 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:46:21,943 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 244 DAG size of output: 35 [2020-10-15 01:46:23,218 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 230 DAG size of output: 34 [2020-10-15 01:46:23,345 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-15 01:46:24,360 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 268 DAG size of output: 36 [2020-10-15 01:46:24,620 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-15 01:46:25,600 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 31 [2020-10-15 01:46:25,732 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-15 01:46:26,316 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 15 [2020-10-15 01:46:27,424 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 197 DAG size of output: 28 [2020-10-15 01:46:27,979 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 24 [2020-10-15 01:46:28,124 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-10-15 01:46:29,027 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 24 [2020-10-15 01:46:29,197 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-10-15 01:46:29,645 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 21 [2020-10-15 01:46:30,323 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 27 [2020-10-15 01:46:30,859 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 14 [2020-10-15 01:46:31,028 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-10-15 01:46:31,583 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 24 [2020-10-15 01:46:32,410 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 22 [2020-10-15 01:46:32,576 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-10-15 01:46:32,922 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 21 [2020-10-15 01:46:33,884 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 36 [2020-10-15 01:46:34,026 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-10-15 01:46:34,189 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-10-15 01:46:34,470 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 20 [2020-10-15 01:46:34,599 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-15 01:46:35,108 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 21 [2020-10-15 01:46:36,816 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 247 DAG size of output: 55 [2020-10-15 01:46:37,881 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 181 DAG size of output: 25 [2020-10-15 01:46:38,049 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-10-15 01:46:38,508 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 18 [2020-10-15 01:46:38,641 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-10-15 01:46:38,814 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-10-15 01:46:39,465 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 27 [2020-10-15 01:46:39,597 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-15 01:46:39,601 INFO L268 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-10-15 01:46:39,602 INFO L268 CegarLoopResult]: For program point L576-1(lines 576 580) no Hoare annotation was computed. [2020-10-15 01:46:39,602 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-15 01:46:39,602 INFO L268 CegarLoopResult]: For program point L570-2(lines 570 591) no Hoare annotation was computed. [2020-10-15 01:46:39,602 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 545 600) no Hoare annotation was computed. [2020-10-15 01:46:39,602 INFO L268 CegarLoopResult]: For program point L592(lines 569 593) no Hoare annotation was computed. [2020-10-15 01:46:39,602 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 545 600) no Hoare annotation was computed. [2020-10-15 01:46:39,603 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 545 600) no Hoare annotation was computed. [2020-10-15 01:46:39,603 INFO L268 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-10-15 01:46:39,603 INFO L268 CegarLoopResult]: For program point L633-1(lines 633 637) no Hoare annotation was computed. [2020-10-15 01:46:39,603 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 601 660) no Hoare annotation was computed. [2020-10-15 01:46:39,603 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-10-15 01:46:39,603 INFO L268 CegarLoopResult]: For program point L627-2(lines 627 652) no Hoare annotation was computed. [2020-10-15 01:46:39,604 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 601 660) no Hoare annotation was computed. [2020-10-15 01:46:39,604 INFO L268 CegarLoopResult]: For program point L653(lines 626 654) no Hoare annotation was computed. [2020-10-15 01:46:39,604 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 601 660) no Hoare annotation was computed. [2020-10-15 01:46:39,604 INFO L268 CegarLoopResult]: For program point L646(line 646) no Hoare annotation was computed. [2020-10-15 01:46:39,604 INFO L268 CegarLoopResult]: For program point L646-1(line 646) no Hoare annotation was computed. [2020-10-15 01:46:39,604 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 476 482) the Hoare annotation is: true [2020-10-15 01:46:39,605 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 476 482) no Hoare annotation was computed. [2020-10-15 01:46:39,605 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 483 491) no Hoare annotation was computed. [2020-10-15 01:46:39,605 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 483 491) the Hoare annotation is: true [2020-10-15 01:46:39,605 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 483 491) no Hoare annotation was computed. [2020-10-15 01:46:39,605 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 931 953) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:46:39,605 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2020-10-15 01:46:39,605 INFO L264 CegarLoopResult]: At program point L943(line 943) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:46:39,606 INFO L264 CegarLoopResult]: At program point L943-1(line 943) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:46:39,606 INFO L268 CegarLoopResult]: For program point L941(lines 941 948) no Hoare annotation was computed. [2020-10-15 01:46:39,606 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 931 953) no Hoare annotation was computed. [2020-10-15 01:46:39,606 INFO L268 CegarLoopResult]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2020-10-15 01:46:39,606 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-10-15 01:46:39,606 INFO L264 CegarLoopResult]: At program point L938(line 938) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:46:39,606 INFO L264 CegarLoopResult]: At program point L937(line 937) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:46:39,607 INFO L264 CegarLoopResult]: At program point L937-1(line 937) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:46:39,607 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-10-15 01:46:39,607 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-10-15 01:46:39,607 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 890 913) no Hoare annotation was computed. [2020-10-15 01:46:39,607 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-10-15 01:46:39,607 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 890 913) no Hoare annotation was computed. [2020-10-15 01:46:39,607 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 890 913) no Hoare annotation was computed. [2020-10-15 01:46:39,607 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-10-15 01:46:39,607 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-10-15 01:46:39,608 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-10-15 01:46:39,608 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-10-15 01:46:39,608 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-10-15 01:46:39,608 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-10-15 01:46:39,608 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-10-15 01:46:39,608 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-10-15 01:46:39,608 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-10-15 01:46:39,608 INFO L268 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-10-15 01:46:39,608 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-10-15 01:46:39,608 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 164 172) no Hoare annotation was computed. [2020-10-15 01:46:39,609 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 164 172) the Hoare annotation is: true [2020-10-15 01:46:39,609 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 164 172) no Hoare annotation was computed. [2020-10-15 01:46:39,609 INFO L268 CegarLoopResult]: For program point L237(lines 237 241) no Hoare annotation was computed. [2020-10-15 01:46:39,609 INFO L271 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: true [2020-10-15 01:46:39,609 INFO L268 CegarLoopResult]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2020-10-15 01:46:39,609 INFO L268 CegarLoopResult]: For program point L235-1(line 235) no Hoare annotation was computed. [2020-10-15 01:46:39,609 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 228 246) the Hoare annotation is: true [2020-10-15 01:46:39,609 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 228 246) no Hoare annotation was computed. [2020-10-15 01:46:39,609 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 228 246) no Hoare annotation was computed. [2020-10-15 01:46:39,610 INFO L268 CegarLoopResult]: For program point L192(lines 192 200) no Hoare annotation was computed. [2020-10-15 01:46:39,610 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 200) no Hoare annotation was computed. [2020-10-15 01:46:39,610 INFO L268 CegarLoopResult]: For program point L180(lines 180 188) no Hoare annotation was computed. [2020-10-15 01:46:39,610 INFO L268 CegarLoopResult]: For program point L180-2(lines 180 188) no Hoare annotation was computed. [2020-10-15 01:46:39,610 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 173 208) no Hoare annotation was computed. [2020-10-15 01:46:39,610 INFO L268 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-15 01:46:39,610 INFO L268 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-10-15 01:46:39,610 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 173 208) no Hoare annotation was computed. [2020-10-15 01:46:39,610 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 173 208) no Hoare annotation was computed. [2020-10-15 01:46:39,610 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 469 475) no Hoare annotation was computed. [2020-10-15 01:46:39,611 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 469 475) the Hoare annotation is: true [2020-10-15 01:46:39,611 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 499 544) no Hoare annotation was computed. [2020-10-15 01:46:39,611 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 499 544) no Hoare annotation was computed. [2020-10-15 01:46:39,611 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 499 544) no Hoare annotation was computed. [2020-10-15 01:46:39,611 INFO L268 CegarLoopResult]: For program point L832(lines 832 839) no Hoare annotation was computed. [2020-10-15 01:46:39,611 INFO L268 CegarLoopResult]: For program point L826(lines 826 846) no Hoare annotation was computed. [2020-10-15 01:46:39,611 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 812 857) no Hoare annotation was computed. [2020-10-15 01:46:39,611 INFO L268 CegarLoopResult]: For program point L826-1(lines 826 846) no Hoare annotation was computed. [2020-10-15 01:46:39,611 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 812 857) no Hoare annotation was computed. [2020-10-15 01:46:39,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 812 857) no Hoare annotation was computed. [2020-10-15 01:46:39,612 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 921 930) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:46:39,612 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 921 930) no Hoare annotation was computed. [2020-10-15 01:46:39,612 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 921 930) no Hoare annotation was computed. [2020-10-15 01:46:39,612 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 153 163) no Hoare annotation was computed. [2020-10-15 01:46:39,612 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-15 01:46:39,612 INFO L268 CegarLoopResult]: For program point L158-1(line 158) no Hoare annotation was computed. [2020-10-15 01:46:39,612 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 153 163) no Hoare annotation was computed. [2020-10-15 01:46:39,613 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 153 163) no Hoare annotation was computed. [2020-10-15 01:46:39,613 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0))))) [2020-10-15 01:46:39,613 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2020-10-15 01:46:39,613 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2020-10-15 01:46:39,613 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 431 444) no Hoare annotation was computed. [2020-10-15 01:46:39,613 INFO L268 CegarLoopResult]: For program point L435(lines 435 441) no Hoare annotation was computed. [2020-10-15 01:46:39,613 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 431 444) the Hoare annotation is: true [2020-10-15 01:46:39,613 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 431 444) no Hoare annotation was computed. [2020-10-15 01:46:39,613 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:46:39,614 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:46:39,614 INFO L268 CegarLoopResult]: For program point L120(lines 120 128) no Hoare annotation was computed. [2020-10-15 01:46:39,614 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 112 136) no Hoare annotation was computed. [2020-10-15 01:46:39,614 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0))))) [2020-10-15 01:46:39,614 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-10-15 01:46:39,614 INFO L268 CegarLoopResult]: For program point L116(lines 116 133) no Hoare annotation was computed. [2020-10-15 01:46:39,615 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 112 136) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse2 .cse1) (or .cse0 .cse2 .cse1 (not (<= ~waterLevel~0 0))))) [2020-10-15 01:46:39,615 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2020-10-15 01:46:39,615 INFO L268 CegarLoopResult]: For program point L131-1(lines 112 136) no Hoare annotation was computed. [2020-10-15 01:46:39,615 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2020-10-15 01:46:39,615 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2020-10-15 01:46:39,615 INFO L264 CegarLoopResult]: At program point testENTRY(lines 251 314) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-15 01:46:39,615 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2))) (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) .cse0))) [2020-10-15 01:46:39,616 INFO L268 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-10-15 01:46:39,616 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2020-10-15 01:46:39,616 INFO L268 CegarLoopResult]: For program point testFINAL(lines 251 314) no Hoare annotation was computed. [2020-10-15 01:46:39,616 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2)) (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 0))) [2020-10-15 01:46:39,616 INFO L264 CegarLoopResult]: At program point L304(lines 261 306) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2)) (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 0))) [2020-10-15 01:46:39,616 INFO L268 CegarLoopResult]: For program point L271(lines 271 277) no Hoare annotation was computed. [2020-10-15 01:46:39,616 INFO L268 CegarLoopResult]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2020-10-15 01:46:39,616 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-10-15 01:46:39,617 INFO L264 CegarLoopResult]: At program point L307(lines 260 308) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2)) (<= ~waterLevel~0 0)) [2020-10-15 01:46:39,617 INFO L268 CegarLoopResult]: For program point L297(lines 297 301) no Hoare annotation was computed. [2020-10-15 01:46:39,617 INFO L264 CegarLoopResult]: At program point L297-2(lines 291 302) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2))) (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) .cse0))) [2020-10-15 01:46:39,617 INFO L268 CegarLoopResult]: For program point L262(lines 261 306) no Hoare annotation was computed. [2020-10-15 01:46:39,617 INFO L268 CegarLoopResult]: For program point L291(lines 291 302) no Hoare annotation was computed. [2020-10-15 01:46:39,617 INFO L268 CegarLoopResult]: For program point testEXIT(lines 251 314) no Hoare annotation was computed. [2020-10-15 01:46:39,617 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 766 811) no Hoare annotation was computed. [2020-10-15 01:46:39,617 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 766 811) no Hoare annotation was computed. [2020-10-15 01:46:39,617 INFO L268 CegarLoopResult]: For program point L786(lines 786 793) no Hoare annotation was computed. [2020-10-15 01:46:39,618 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 766 811) no Hoare annotation was computed. [2020-10-15 01:46:39,618 INFO L268 CegarLoopResult]: For program point L780(lines 780 800) no Hoare annotation was computed. [2020-10-15 01:46:39,618 INFO L268 CegarLoopResult]: For program point L780-1(lines 780 800) no Hoare annotation was computed. [2020-10-15 01:46:39,618 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 445 453) no Hoare annotation was computed. [2020-10-15 01:46:39,618 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 445 453) the Hoare annotation is: true [2020-10-15 01:46:39,618 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 445 453) no Hoare annotation was computed. [2020-10-15 01:46:39,618 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 399 421) no Hoare annotation was computed. [2020-10-15 01:46:39,618 INFO L268 CegarLoopResult]: For program point L407(lines 407 415) no Hoare annotation was computed. [2020-10-15 01:46:39,618 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 399 421) no Hoare annotation was computed. [2020-10-15 01:46:39,618 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 415) no Hoare annotation was computed. [2020-10-15 01:46:39,619 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 399 421) no Hoare annotation was computed. [2020-10-15 01:46:39,619 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 459 468) no Hoare annotation was computed. [2020-10-15 01:46:39,619 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 459 468) no Hoare annotation was computed. [2020-10-15 01:46:39,619 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 459 468) no Hoare annotation was computed. [2020-10-15 01:46:39,619 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 663 765) no Hoare annotation was computed. [2020-10-15 01:46:39,619 INFO L268 CegarLoopResult]: For program point L733(lines 711 734) no Hoare annotation was computed. [2020-10-15 01:46:39,619 INFO L268 CegarLoopResult]: For program point L692(lines 692 708) no Hoare annotation was computed. [2020-10-15 01:46:39,619 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-10-15 01:46:39,619 INFO L268 CegarLoopResult]: For program point L713(lines 712 732) no Hoare annotation was computed. [2020-10-15 01:46:39,620 INFO L268 CegarLoopResult]: For program point L744(line 744) no Hoare annotation was computed. [2020-10-15 01:46:39,620 INFO L268 CegarLoopResult]: For program point L744-1(line 744) no Hoare annotation was computed. [2020-10-15 01:46:39,620 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 663 765) no Hoare annotation was computed. [2020-10-15 01:46:39,620 INFO L268 CegarLoopResult]: For program point L709(lines 709 750) no Hoare annotation was computed. [2020-10-15 01:46:39,620 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-10-15 01:46:39,620 INFO L268 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-10-15 01:46:39,620 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 663 765) no Hoare annotation was computed. [2020-10-15 01:46:39,620 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-10-15 01:46:39,620 INFO L268 CegarLoopResult]: For program point L751(lines 751 762) no Hoare annotation was computed. [2020-10-15 01:46:39,620 INFO L268 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2020-10-15 01:46:39,620 INFO L268 CegarLoopResult]: For program point L712-2(lines 712 732) no Hoare annotation was computed. [2020-10-15 01:46:39,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:46:39,621 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-15 01:46:39,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:46:39,621 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 137 144) no Hoare annotation was computed. [2020-10-15 01:46:39,621 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2020-10-15 01:46:39,621 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 137 144) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:46:39,621 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 209 227) no Hoare annotation was computed. [2020-10-15 01:46:39,622 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-10-15 01:46:39,622 INFO L271 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: true [2020-10-15 01:46:39,622 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2020-10-15 01:46:39,622 INFO L268 CegarLoopResult]: For program point L216-1(line 216) no Hoare annotation was computed. [2020-10-15 01:46:39,622 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 209 227) the Hoare annotation is: true [2020-10-15 01:46:39,622 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 209 227) no Hoare annotation was computed. [2020-10-15 01:46:39,622 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 422 430) the Hoare annotation is: true [2020-10-15 01:46:39,622 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 422 430) no Hoare annotation was computed. [2020-10-15 01:46:39,622 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 422 430) no Hoare annotation was computed. [2020-10-15 01:46:39,623 INFO L268 CegarLoopResult]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2020-10-15 01:46:39,623 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 378 389) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 0)) .cse2) (or .cse0 (not (= ~pumpRunning~0 0)) (not (<= ~waterLevel~0 2)) .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-10-15 01:46:39,623 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 378 389) no Hoare annotation was computed. [2020-10-15 01:46:39,623 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:46:39,623 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-15 01:46:39,623 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:46:39,623 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 390 398) the Hoare annotation is: true [2020-10-15 01:46:39,623 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 390 398) no Hoare annotation was computed. [2020-10-15 01:46:39,623 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 390 398) no Hoare annotation was computed. [2020-10-15 01:46:39,623 INFO L264 CegarLoopResult]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse15 (+ ~waterLevel~0 1))) (let ((.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= .cse15 |old(~waterLevel~0)|)) (.cse12 (= ~pumpRunning~0 0)) (.cse14 (<= |old(~waterLevel~0)| .cse15)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (<= ~waterLevel~0 0))) (let ((.cse3 (and .cse10 .cse11)) (.cse8 (not (<= |old(~waterLevel~0)| 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and .cse13 .cse12 .cse14)) (.cse6 (and .cse13 .cse7 .cse14)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) .cse1 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (or .cse3 .cse0 .cse4 (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse6) (or .cse0 .cse2 .cse7 .cse1 .cse8) (or .cse9 .cse10 .cse11) (or .cse3 .cse8) (or .cse0 .cse4 .cse7 .cse12 .cse8) (or .cse0 .cse4 (not (= |old(~waterLevel~0)| 2)) .cse5 .cse6) (or (and .cse10 .cse7) .cse0 .cse9 (and .cse2 .cse10) .cse1))))) [2020-10-15 01:46:39,624 INFO L264 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 2)) (and (= 2 ~waterLevel~0) .cse2)) (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (not (<= |old(~waterLevel~0)| 2)) (not (= |old(~pumpRunning~0)| 0)))))) [2020-10-15 01:46:39,624 INFO L268 CegarLoopResult]: For program point L58(lines 57 76) no Hoare annotation was computed. [2020-10-15 01:46:39,624 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (<= |old(~waterLevel~0)| 2)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2020-10-15 01:46:39,624 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2020-10-15 01:46:39,624 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2020-10-15 01:46:39,624 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and .cse4 .cse6)) (.cse3 (<= ~waterLevel~0 0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or .cse0 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3) (or (and .cse4 .cse3) .cse1 .cse2 (not (<= 1 |old(~pumpRunning~0)|)) (let ((.cse5 (+ ~waterLevel~0 1))) (and (<= .cse5 |old(~waterLevel~0)|) .cse6 (<= |old(~waterLevel~0)| .cse5))))))) [2020-10-15 01:46:39,624 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-10-15 01:46:39,624 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 860 889) no Hoare annotation was computed. [2020-10-15 01:46:39,624 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 860 889) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 2)) (and (= 2 ~waterLevel~0) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 1)))))) [2020-10-15 01:46:39,624 INFO L271 CegarLoopResult]: At program point L885(lines 860 889) the Hoare annotation is: true [2020-10-15 01:46:39,624 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-10-15 01:46:39,625 INFO L268 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2020-10-15 01:46:39,625 INFO L264 CegarLoopResult]: At program point L874-1(lines 874 878) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (<= ~waterLevel~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (let ((.cse1 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or .cse0 (not (<= |old(~waterLevel~0)| 2)) (and .cse1 (= ~pumpRunning~0 0)) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse2 .cse1) .cse3)) (or .cse2 .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse3) (or .cse4 (not (<= |old(~waterLevel~0)| 0))))) [2020-10-15 01:46:39,625 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-10-15 01:46:39,625 INFO L264 CegarLoopResult]: At program point L870-2(lines 870 884) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (<= ~waterLevel~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (let ((.cse1 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or .cse0 (not (<= |old(~waterLevel~0)| 2)) (and .cse1 (= ~pumpRunning~0 0)) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse2 .cse1) .cse3)) (or .cse2 .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse3) (or .cse4 (not (<= |old(~waterLevel~0)| 0))))) [2020-10-15 01:46:39,625 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 0))) (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 2)) (and (= 2 ~waterLevel~0) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 1)))))) [2020-10-15 01:46:39,625 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 318 350) no Hoare annotation was computed. [2020-10-15 01:46:39,625 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 318 350) the Hoare annotation is: true [2020-10-15 01:46:39,626 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~pumpRunning~0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (= ~pumpRunning~0 0)) (not (<= ~waterLevel~0 1))))) [2020-10-15 01:46:39,626 INFO L268 CegarLoopResult]: For program point L337(lines 337 343) no Hoare annotation was computed. [2020-10-15 01:46:39,626 INFO L264 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-10-15 01:46:39,626 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-10-15 01:46:39,626 INFO L268 CegarLoopResult]: For program point L333(lines 333 346) no Hoare annotation was computed. [2020-10-15 01:46:39,626 INFO L268 CegarLoopResult]: For program point L333-1(lines 318 350) no Hoare annotation was computed. [2020-10-15 01:46:39,626 INFO L271 CegarLoopResult]: At program point L331(line 331) the Hoare annotation is: true [2020-10-15 01:46:39,626 INFO L268 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-10-15 01:46:39,626 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-10-15 01:46:39,626 INFO L271 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: true [2020-10-15 01:46:39,626 INFO L268 CegarLoopResult]: For program point L325-1(line 325) no Hoare annotation was computed. [2020-10-15 01:46:39,627 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 354 365) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2020-10-15 01:46:39,627 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 354 365) no Hoare annotation was computed. [2020-10-15 01:46:39,627 INFO L268 CegarLoopResult]: For program point L358-1(lines 354 365) no Hoare annotation was computed. [2020-10-15 01:46:39,627 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 914 920) no Hoare annotation was computed. [2020-10-15 01:46:39,627 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 914 920) the Hoare annotation is: true [2020-10-15 01:46:39,627 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:46:39,627 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-10-15 01:46:39,627 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 01:46:39,627 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:46:39,627 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 86 110) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse2 .cse1) (or .cse0 .cse2 .cse1 (not (<= ~waterLevel~0 0))))) [2020-10-15 01:46:39,628 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (and (not (= processEnvironment__wrappee__highWaterSensor_~tmp~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2020-10-15 01:46:39,628 INFO L268 CegarLoopResult]: For program point L94(lines 94 102) no Hoare annotation was computed. [2020-10-15 01:46:39,628 INFO L264 CegarLoopResult]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2020-10-15 01:46:39,628 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 86 110) no Hoare annotation was computed. [2020-10-15 01:46:39,628 INFO L268 CegarLoopResult]: For program point L92-1(line 92) no Hoare annotation was computed. [2020-10-15 01:46:39,628 INFO L268 CegarLoopResult]: For program point L90(lines 90 107) no Hoare annotation was computed. [2020-10-15 01:46:39,628 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0))))) [2020-10-15 01:46:39,628 INFO L268 CegarLoopResult]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2020-10-15 01:46:39,628 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not .cse1))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse3)))) [2020-10-15 01:46:39,628 INFO L268 CegarLoopResult]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2020-10-15 01:46:39,628 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 366 377) no Hoare annotation was computed. [2020-10-15 01:46:39,629 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 366 377) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 0))) (or .cse0 .cse2 (not (= ~pumpRunning~0 0)) (not (<= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (= 2 ~waterLevel~0) (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2))) [2020-10-15 01:46:39,629 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 955 962) no Hoare annotation was computed. [2020-10-15 01:46:39,629 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2020-10-15 01:46:39,629 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 955 962) the Hoare annotation is: true [2020-10-15 01:46:39,629 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 955 962) no Hoare annotation was computed. [2020-10-15 01:46:39,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:46:39 BoogieIcfgContainer [2020-10-15 01:46:39,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:46:39,651 INFO L168 Benchmark]: Toolchain (without parser) took 133078.79 ms. Allocated memory was 148.4 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 103.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-10-15 01:46:39,651 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-15 01:46:39,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.60 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 102.6 MB in the beginning and 172.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-10-15 01:46:39,652 INFO L168 Benchmark]: Boogie Preprocessor took 90.68 ms. Allocated memory is still 205.0 MB. Free memory was 172.4 MB in the beginning and 167.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-10-15 01:46:39,652 INFO L168 Benchmark]: RCFGBuilder took 1194.20 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 167.7 MB in the beginning and 187.8 MB in the end (delta: -20.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2020-10-15 01:46:39,653 INFO L168 Benchmark]: TraceAbstraction took 131137.74 ms. Allocated memory was 233.3 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 187.8 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-10-15 01:46:39,655 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.60 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 102.6 MB in the beginning and 172.4 MB in the end (delta: -69.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.68 ms. Allocated memory is still 205.0 MB. Free memory was 172.4 MB in the beginning and 167.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1194.20 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 167.7 MB in the beginning and 187.8 MB in the end (delta: -20.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 131137.74 ms. Allocated memory was 233.3 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 187.8 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (((!(1 <= systemActive) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || (1 <= pumpRunning && waterLevel <= 2)) || (waterLevel <= 1 && pumpRunning == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((!(1 <= systemActive) || !(\old(waterLevel) == 1)) || \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || (1 <= pumpRunning && waterLevel <= 2)) || waterLevel <= 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((((((!(1 <= systemActive) || !(\old(waterLevel) <= 2)) || (waterLevel + 1 <= \old(waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) || (1 <= pumpRunning && waterLevel + 1 <= \old(waterLevel))) || waterLevel <= 0) && (((((1 <= pumpRunning || !(1 <= systemActive)) || pumpRunning == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || waterLevel <= 0)) && ((!(\old(waterLevel) == 1) || \old(waterLevel) == waterLevel) || waterLevel <= 0)) && (\old(waterLevel) == waterLevel || !(\old(waterLevel) <= 0)) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 86.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 49.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 44.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1908 SDtfs, 4782 SDslu, 2770 SDs, 0 SdLazy, 12529 SolverSat, 3314 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 516 GetRequests, 325 SyntacticMatches, 2 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 19.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1716occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 1022 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 4359 PreInvPairs, 6960 NumberOfFragments, 1824 HoareAnnotationTreeSize, 4359 FomulaSimplifications, 24885210 FormulaSimplificationTreeSizeReduction, 20.8s HoareSimplificationTime, 60 FomulaSimplificationsInter, 512299 FormulaSimplificationTreeSizeReductionInter, 23.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 33.8s InterpolantComputationTime, 873 NumberOfCodeBlocks, 873 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 863 ConstructedInterpolants, 0 QuantifiedInterpolants, 313718 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 32/41 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...