/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=NARROWEST --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_spec5_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:51:06,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:51:06,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:51:06,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:51:06,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:51:06,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:51:06,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:51:06,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:51:06,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:51:06,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:51:06,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:51:06,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:51:06,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:51:06,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:51:06,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:51:06,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:51:06,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:51:06,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:51:06,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:51:06,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:51:06,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:51:06,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:51:06,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:51:06,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:51:06,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:51:06,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:51:06,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:51:06,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:51:06,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:51:06,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:51:06,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:51:06,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:51:06,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:51:06,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:51:06,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:51:06,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:51:06,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:51:06,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:51:06,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:51:06,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:51:06,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:51:06,205 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 [2020-10-13 12:51:06,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:51:06,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:51:06,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:51:06,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:51:06,231 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:51:06,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:51:06,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:51:06,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:51:06,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:51:06,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:51:06,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:51:06,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:51:06,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:51:06,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:51:06,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:51:06,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:51:06,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:51:06,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:51:06,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:51:06,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:51:06,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:51:06,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:51:06,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:51:06,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:51:06,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:51:06,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:51:06,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:51:06,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:51:06,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:51:06,236 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:51:06,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:51:06,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:51:06,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:51:06,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:51:06,633 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:51:06,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-10-13 12:51:06,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5615babbc/04c2587bee75496da386b24c18e33625/FLAG13fb76685 [2020-10-13 12:51:07,174 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:51:07,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-10-13 12:51:07,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5615babbc/04c2587bee75496da386b24c18e33625/FLAG13fb76685 [2020-10-13 12:51:07,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5615babbc/04c2587bee75496da386b24c18e33625 [2020-10-13 12:51:07,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:51:07,546 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:51:07,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:51:07,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:51:07,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:51:07,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:07" (1/1) ... [2020-10-13 12:51:07,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b1378c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:07, skipping insertion in model container [2020-10-13 12:51:07,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:07" (1/1) ... [2020-10-13 12:51:07,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:51:07,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:51:08,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:51:08,194 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:51:08,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:51:08,304 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:51:08,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:08 WrapperNode [2020-10-13 12:51:08,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:51:08,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:51:08,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:51:08,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:51:08,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:08" (1/1) ... [2020-10-13 12:51:08,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:08" (1/1) ... [2020-10-13 12:51:08,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:08" (1/1) ... [2020-10-13 12:51:08,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:08" (1/1) ... [2020-10-13 12:51:08,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:08" (1/1) ... [2020-10-13 12:51:08,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:08" (1/1) ... [2020-10-13 12:51:08,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:08" (1/1) ... [2020-10-13 12:51:08,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:51:08,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:51:08,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:51:08,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:51:08,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:08" (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 [2020-10-13 12:51:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:51:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:51:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:51:08,494 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:51:08,494 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:51:08,495 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:51:08,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:51:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:51:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:51:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:51:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:51:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:51:08,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:51:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:51:08,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:51:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:51:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:51:08,498 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:51:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:51:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:51:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:51:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:51:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:51:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:51:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:51:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:51:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:51:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:51:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:51:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:51:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:51:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:51:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:51:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:51:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:51:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:51:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:51:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:51:08,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:51:08,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:51:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:51:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:51:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:51:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:51:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:51:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:51:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:51:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:51:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:51:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:51:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:51:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:51:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:51:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-13 12:51:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-13 12:51:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-13 12:51:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:51:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:51:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:51:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:51:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:51:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:51:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:51:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:51:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:51:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:51:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:51:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:51:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:51:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:51:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:51:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:51:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:51:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:51:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:51:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:51:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:51:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:51:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:51:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:51:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:51:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:51:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:51:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:51:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:51:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:51:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:51:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:51:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:51:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:51:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:51:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:51:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:51:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:51:09,640 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:51:09,640 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:51:09,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:09 BoogieIcfgContainer [2020-10-13 12:51:09,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:51:09,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:51:09,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:51:09,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:51:09,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:51:07" (1/3) ... [2020-10-13 12:51:09,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d20760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:09, skipping insertion in model container [2020-10-13 12:51:09,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:08" (2/3) ... [2020-10-13 12:51:09,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d20760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:09, skipping insertion in model container [2020-10-13 12:51:09,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:09" (3/3) ... [2020-10-13 12:51:09,659 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-10-13 12:51:09,669 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:51:09,678 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:51:09,692 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:51:09,714 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:51:09,714 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:51:09,714 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:51:09,714 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:51:09,715 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:51:09,715 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:51:09,715 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:51:09,715 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:51:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-10-13 12:51:09,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-13 12:51:09,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:09,749 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:09,749 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:09,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:09,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1869542645, now seen corresponding path program 1 times [2020-10-13 12:51:09,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:09,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588378061] [2020-10-13 12:51:09,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:10,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:10,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:10,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:11,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:12,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:14,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:14,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 12:51:14,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:51:14,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4145 [2020-10-13 12:51:14,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:14,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-13 12:51:14,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:14,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:51:14,584 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:14,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:14,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:14,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:14,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:14,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:14,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 12:51:14,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:14,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:14,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:14,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:14,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:14,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:14,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:14,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:51:14,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:14,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:14,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:14,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:14,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:14,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:14,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:14,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:14,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:14,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:14,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:14,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:14,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:14,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:14,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:14,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:14,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:14,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:14,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:14,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:14,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:14,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:14,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:14,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:14,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:14,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:14,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:14,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:14,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:14,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:14,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:14,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:14,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:14,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:14,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:14,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:14,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:14,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:14,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:14,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:14,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:14,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:14,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:14,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:14,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:51:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:14,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:14,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:14,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:14,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:14,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:51:14,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:14,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:14,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:51:14,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:14,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:14,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:14,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:14,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:14,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:14,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:14,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:51:14,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:14,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:51:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:14,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:14,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:14,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:14,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:14,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:14,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:14,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:14,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:14,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:14,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:14,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 12:51:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:14,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:14,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:14,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:14,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:14,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:51:14,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:14,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:14,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:14,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:14,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:14,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:14,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588378061] [2020-10-13 12:51:14,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:14,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:51:14,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44085567] [2020-10-13 12:51:14,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:51:14,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:14,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:51:14,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:51:14,808 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2020-10-13 12:51:16,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:16,010 INFO L93 Difference]: Finished difference Result 299 states and 383 transitions. [2020-10-13 12:51:16,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-13 12:51:16,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-10-13 12:51:16,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:16,039 INFO L225 Difference]: With dead ends: 299 [2020-10-13 12:51:16,039 INFO L226 Difference]: Without dead ends: 164 [2020-10-13 12:51:16,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:51:16,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-13 12:51:16,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 136. [2020-10-13 12:51:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-13 12:51:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2020-10-13 12:51:16,206 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2020-10-13 12:51:16,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:16,207 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2020-10-13 12:51:16,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:51:16,207 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-10-13 12:51:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 12:51:16,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:16,222 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:16,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:51:16,223 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:16,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:16,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1007263159, now seen corresponding path program 1 times [2020-10-13 12:51:16,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:16,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956225229] [2020-10-13 12:51:16,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:16,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:16,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:16,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:16,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:17,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:19,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:19,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 12:51:19,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:51:19,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3266 [2020-10-13 12:51:19,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:19,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:19,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 12:51:19,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:51:19,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:19,842 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:19,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:19,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:19,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:19,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:19,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:19,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 12:51:19,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:19,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:19,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:19,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:19,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:19,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:19,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:19,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:19,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:19,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:19,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:19,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:19,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:19,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:19,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:19,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:19,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:19,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:19,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:19,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:19,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:19,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:19,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:19,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:19,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:19,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:19,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:19,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:19,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:19,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:19,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:19,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:19,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:19,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:19,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:19,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:19,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:19,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:19,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:19,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:19,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:19,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:19,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:19,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:19,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:19,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:19,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 12:51:19,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:51:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:19,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:19,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:19,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:19,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:19,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:19,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:51:19,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:19,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:19,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:19,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:19,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:19,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:19,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:19,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:19,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:19,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:19,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:19,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 12:51:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:19,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:19,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:19,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:19,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:19,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:19,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:19,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:19,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:19,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:51:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:19,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:19,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:19,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:19,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:19,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:19,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:19,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:19,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:19,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:19,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956225229] [2020-10-13 12:51:19,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:19,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 12:51:19,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284141602] [2020-10-13 12:51:19,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 12:51:20,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:20,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 12:51:20,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:51:20,000 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 5 states. [2020-10-13 12:51:20,610 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:21,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:21,412 INFO L93 Difference]: Finished difference Result 244 states and 295 transitions. [2020-10-13 12:51:21,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:51:21,413 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-10-13 12:51:21,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:21,416 INFO L225 Difference]: With dead ends: 244 [2020-10-13 12:51:21,416 INFO L226 Difference]: Without dead ends: 154 [2020-10-13 12:51:21,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:51:21,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-13 12:51:21,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 127. [2020-10-13 12:51:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-13 12:51:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2020-10-13 12:51:21,481 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2020-10-13 12:51:21,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:21,481 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2020-10-13 12:51:21,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 12:51:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2020-10-13 12:51:21,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-13 12:51:21,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:21,484 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:21,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:51:21,485 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:21,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:21,486 INFO L82 PathProgramCache]: Analyzing trace with hash -706056489, now seen corresponding path program 1 times [2020-10-13 12:51:21,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:21,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759389700] [2020-10-13 12:51:21,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:21,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:21,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:21,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:21,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:23,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:23,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 12:51:23,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:51:23,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2283 [2020-10-13 12:51:23,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:23,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:51:23,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-13 12:51:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:51:23,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:24,075 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:24,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:24,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:24,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:24,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:24,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:24,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 12:51:24,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:24,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:24,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:24,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:24,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:24,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:24,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:24,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:24,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:24,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:24,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:24,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:24,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:24,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:24,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:24,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:24,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:24,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:24,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:24,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:24,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:24,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:24,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:24,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:24,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:24,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:24,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:24,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:24,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:24,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:24,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:24,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:24,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:24,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:24,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:24,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:24,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:24,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:24,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:24,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:24,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:24,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:24,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:24,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:24,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:24,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:24,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:24,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:24,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:24,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:51:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:24,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:24,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:24,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:24,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:24,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:24,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:24,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:24,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:24,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:24,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:24,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:24,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:24,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:24,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:24,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:24,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:24,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:24,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:24,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:24,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 12:51:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:24,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:24,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:24,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:24,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:24,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:24,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:24,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:24,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:24,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 12:51:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:24,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:24,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:24,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:24,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:24,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:51:24,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:24,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:24,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:51:24,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759389700] [2020-10-13 12:51:24,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:24,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:51:24,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108337136] [2020-10-13 12:51:24,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:51:24,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:24,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:51:24,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:51:24,306 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 8 states. [2020-10-13 12:51:24,796 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:51:25,870 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-13 12:51:26,656 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:51:26,927 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:27,353 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:27,630 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:28,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:28,229 INFO L93 Difference]: Finished difference Result 323 states and 408 transitions. [2020-10-13 12:51:28,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 12:51:28,230 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-10-13 12:51:28,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:28,236 INFO L225 Difference]: With dead ends: 323 [2020-10-13 12:51:28,236 INFO L226 Difference]: Without dead ends: 224 [2020-10-13 12:51:28,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-13 12:51:28,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-13 12:51:28,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 195. [2020-10-13 12:51:28,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-10-13 12:51:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 230 transitions. [2020-10-13 12:51:28,294 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 230 transitions. Word has length 64 [2020-10-13 12:51:28,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:28,295 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 230 transitions. [2020-10-13 12:51:28,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:51:28,295 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 230 transitions. [2020-10-13 12:51:28,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-13 12:51:28,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:28,297 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:28,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:51:28,298 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:28,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:28,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1999801536, now seen corresponding path program 1 times [2020-10-13 12:51:28,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:28,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326012771] [2020-10-13 12:51:28,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:28,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:28,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:28,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-13 12:51:28,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:28,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-10-13 12:51:28,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:28,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:51:28,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 12:51:28,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:51:28,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:28,873 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:28,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:28,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:28,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:28,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:28,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:28,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:51:28,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:28,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:28,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:28,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:28,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:28,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:28,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:28,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:28,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:28,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:28,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:28,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:28,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:28,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:28,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:28,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:28,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:28,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:28,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:28,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:28,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:28,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:28,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:28,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:28,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:28,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:28,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:28,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:28,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:28,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:28,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:28,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:28,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:28,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:28,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:28,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:28,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:28,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:28,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:28,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:28,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:28,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:28,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:28,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:28,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:28,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:28,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:28,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:28,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:28,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:28,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:51:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:28,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:28,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:28,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:28,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:28,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:28,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:28,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:28,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:28,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:28,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:28,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:28,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:28,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:28,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:28,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:28,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:28,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:28,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:28,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:28,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:28,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:28,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:51:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:28,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:29,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:29,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:51:29,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:51:29,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:29,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:51:29,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:51:29,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:51:29,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:29,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:29,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:29,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:29,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:51:29,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:29,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 12:51:29,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:51:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:51:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:51:29,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:29,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:29,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:29,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:29,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:51:29,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:29,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:51:29,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:29,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:29,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:29,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:51:29,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:29,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:29,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:29,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:29,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:51:29,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:29,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:29,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:29,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:29,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:29,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:51:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:29,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:29,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:29,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:29,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:29,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:29,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:29,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:29,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:29,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:29,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:29,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 12:51:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:29,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:29,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:29,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:29,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:51:29,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:29,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:29,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 12:51:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:29,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:29,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:29,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:29,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:29,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:29,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:29,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:29,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:29,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:29,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:29,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326012771] [2020-10-13 12:51:29,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:29,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:51:29,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240068258] [2020-10-13 12:51:29,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:51:29,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:29,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:51:29,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:51:29,183 INFO L87 Difference]: Start difference. First operand 195 states and 230 transitions. Second operand 9 states. [2020-10-13 12:51:30,346 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:30,602 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-13 12:51:30,878 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:31,141 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:31,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:31,807 INFO L93 Difference]: Finished difference Result 407 states and 512 transitions. [2020-10-13 12:51:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:51:31,808 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-10-13 12:51:31,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:31,812 INFO L225 Difference]: With dead ends: 407 [2020-10-13 12:51:31,813 INFO L226 Difference]: Without dead ends: 240 [2020-10-13 12:51:31,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:51:31,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-13 12:51:31,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 198. [2020-10-13 12:51:31,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-10-13 12:51:31,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 233 transitions. [2020-10-13 12:51:31,874 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 233 transitions. Word has length 92 [2020-10-13 12:51:31,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:31,875 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 233 transitions. [2020-10-13 12:51:31,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:51:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 233 transitions. [2020-10-13 12:51:31,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-13 12:51:31,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:31,877 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:31,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:51:31,877 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:31,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:31,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1298201662, now seen corresponding path program 1 times [2020-10-13 12:51:31,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:31,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280467195] [2020-10-13 12:51:31,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:31,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-13 12:51:32,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-13 12:51:32,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-13 12:51:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:32,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,374 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:32,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 12:51:32,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:32,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:32,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:32,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:32,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:51:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:32,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:32,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:51:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:51:32,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:51:32,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:32,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:51:32,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:32,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:51:32,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:51:32,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:32,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:51:32,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:32,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:51:32,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:51:32,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:51:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:32,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:51:32,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:51:32,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:51:32,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:32,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:51:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:32,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 12:51:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:32,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:32,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 12:51:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:32,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:32,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:32,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:32,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:32,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:32,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:32,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:32,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:32,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280467195] [2020-10-13 12:51:32,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:32,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:51:32,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314938390] [2020-10-13 12:51:32,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:51:32,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:32,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:51:32,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:51:32,670 INFO L87 Difference]: Start difference. First operand 198 states and 233 transitions. Second operand 8 states. [2020-10-13 12:51:33,781 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:34,048 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:34,298 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:51:34,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:34,961 INFO L93 Difference]: Finished difference Result 417 states and 534 transitions. [2020-10-13 12:51:34,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 12:51:34,961 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-10-13 12:51:34,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:34,970 INFO L225 Difference]: With dead ends: 417 [2020-10-13 12:51:34,970 INFO L226 Difference]: Without dead ends: 247 [2020-10-13 12:51:34,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:51:34,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-13 12:51:35,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 202. [2020-10-13 12:51:35,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-13 12:51:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 237 transitions. [2020-10-13 12:51:35,022 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 237 transitions. Word has length 92 [2020-10-13 12:51:35,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:35,022 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 237 transitions. [2020-10-13 12:51:35,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:51:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 237 transitions. [2020-10-13 12:51:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-13 12:51:35,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:35,025 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:35,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:51:35,025 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:35,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:35,026 INFO L82 PathProgramCache]: Analyzing trace with hash 427279235, now seen corresponding path program 1 times [2020-10-13 12:51:35,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:35,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208029552] [2020-10-13 12:51:35,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-13 12:51:35,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 457 [2020-10-13 12:51:35,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:51:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:35,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 12:51:35,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,760 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:35,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:35,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-13 12:51:35,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:51:35,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:35,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:51:35,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:51:35,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:35,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:35,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:51:35,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:35,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:35,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:35,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:35,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:35,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:35,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:35,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:35,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:51:35,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:35,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:35,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:35,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:51:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:35,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:51:35,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:35,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:35,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:51:35,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:35,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:35,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:35,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 12:51:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:51:35,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:51:35,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:35,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:51:35,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 12:51:35,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:51:35,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:51:35,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:35,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:35,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:51:35,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:35,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:35,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:35,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:51:35,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:35,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:51:35,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:35,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:35,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:35,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:51:35,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:35,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:36,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:36,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:36,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:51:36,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:36,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:36,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:36,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:36,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:36,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:51:36,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:36,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:51:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:36,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:36,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:36,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:36,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:36,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:36,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:36,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:36,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:36,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:36,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:36,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 12:51:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:36,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:36,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:36,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:36,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:36,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:36,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:36,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:36,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:36,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:36,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:36,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 12:51:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:36,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:36,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:36,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:36,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:36,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:36,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:36,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:36,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208029552] [2020-10-13 12:51:36,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:36,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:51:36,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144197621] [2020-10-13 12:51:36,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:51:36,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:36,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:51:36,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:51:36,051 INFO L87 Difference]: Start difference. First operand 202 states and 237 transitions. Second operand 8 states. [2020-10-13 12:51:36,457 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:51:37,023 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:51:38,463 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:51:39,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:39,760 INFO L93 Difference]: Finished difference Result 738 states and 978 transitions. [2020-10-13 12:51:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 12:51:39,761 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-10-13 12:51:39,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:39,768 INFO L225 Difference]: With dead ends: 738 [2020-10-13 12:51:39,769 INFO L226 Difference]: Without dead ends: 564 [2020-10-13 12:51:39,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-13 12:51:39,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-13 12:51:39,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 523. [2020-10-13 12:51:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-10-13 12:51:39,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 646 transitions. [2020-10-13 12:51:39,877 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 646 transitions. Word has length 92 [2020-10-13 12:51:39,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:39,878 INFO L479 AbstractCegarLoop]: Abstraction has 523 states and 646 transitions. [2020-10-13 12:51:39,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:51:39,878 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 646 transitions. [2020-10-13 12:51:39,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-13 12:51:39,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:39,880 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 12:51:39,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:51:39,880 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:39,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:39,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1298280163, now seen corresponding path program 1 times [2020-10-13 12:51:39,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:39,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860661919] [2020-10-13 12:51:39,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:39,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:40,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 12:51:41,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:51:41,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1240 [2020-10-13 12:51:41,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:51:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 12:51:41,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 12:51:41,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,409 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:41,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:41,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:51:41,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:41,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:41,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:41,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:41,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:41,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:41,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:41,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:41,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:41,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:41,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:41,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:41,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:41,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:41,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:41,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:41,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:41,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:51:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:41,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:41,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:41,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:51:41,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 12:51:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:41,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:41,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:51:41,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:41,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:41,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 12:51:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:51:41,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:51:41,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:51:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 12:51:41,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:41,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:51:41,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:51:41,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:51:41,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:51:41,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:51:41,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:51:41,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:41,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:51:41,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:41,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:51:41,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:41,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:51:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:41,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:41,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:41,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 12:51:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:41,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:51:41,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:41,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:41,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:41,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:41,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 12:51:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:41,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:41,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:41,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:41,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:41,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:41,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:41,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:41,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:51:41,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:41,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 12:51:41,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860661919] [2020-10-13 12:51:41,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:51:41,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 12:51:41,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549792012] [2020-10-13 12:51:41,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 12:51:41,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:41,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 12:51:41,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:51:41,687 INFO L87 Difference]: Start difference. First operand 523 states and 646 transitions. Second operand 12 states. [2020-10-13 12:51:42,293 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:51:43,110 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:51:43,413 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:43,731 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:51:44,536 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:51:44,804 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:45,076 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:51:46,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:46,245 INFO L93 Difference]: Finished difference Result 1054 states and 1368 transitions. [2020-10-13 12:51:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 12:51:46,246 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-10-13 12:51:46,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:46,251 INFO L225 Difference]: With dead ends: 1054 [2020-10-13 12:51:46,251 INFO L226 Difference]: Without dead ends: 629 [2020-10-13 12:51:46,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2020-10-13 12:51:46,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-10-13 12:51:46,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 566. [2020-10-13 12:51:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-10-13 12:51:46,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 702 transitions. [2020-10-13 12:51:46,353 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 702 transitions. Word has length 96 [2020-10-13 12:51:46,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:46,353 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 702 transitions. [2020-10-13 12:51:46,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 12:51:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 702 transitions. [2020-10-13 12:51:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-13 12:51:46,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:51:46,356 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 12:51:46,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:51:46,357 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:51:46,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:51:46,357 INFO L82 PathProgramCache]: Analyzing trace with hash -3074301, now seen corresponding path program 1 times [2020-10-13 12:51:46,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:51:46,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155015841] [2020-10-13 12:51:46,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:51:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:46,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:46,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:47,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:48,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:48,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-13 12:51:48,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 12:51:48,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2246 [2020-10-13 12:51:48,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:48,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:51:48,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-10-13 12:51:48,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 12:51:48,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:48,978 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:51:48,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:48,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 12:51:49,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:49,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:51:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:49,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:49,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:51:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:49,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:49,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:51:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:49,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:51:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:51:49,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 12:51:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:49,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:51:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:51:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 12:51:49,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:51:49,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:49,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:49,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:51:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:51:49,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:49,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:49,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 12:51:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 12:51:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 12:51:49,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:51:49,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:49,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:49,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:49,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 12:51:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:51:49,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:51:49,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:51:49,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:49,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:51:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:51:49,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:49,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:51:49,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:51:49,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:51:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:51:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:51:49,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:51:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:51:49,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:51:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:51:49,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 12:51:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:51:49,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:51:49,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:51:49,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:51:49,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:51:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:51:49,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:51:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:51:49,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 12:51:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:49,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:49,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 12:51:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:51:49,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:49,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 12:51:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:51:49,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:51:49,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:51:49,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:51:49,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:51:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:51:49,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:51:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:51:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:51:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:51:49,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:51:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-13 12:51:49,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155015841] [2020-10-13 12:51:49,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:51:49,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 12:51:49,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063168772] [2020-10-13 12:51:49,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 12:51:49,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:51:49,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 12:51:49,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:51:49,375 INFO L87 Difference]: Start difference. First operand 566 states and 702 transitions. Second operand 12 states. [2020-10-13 12:51:49,972 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-13 12:51:50,674 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:51:50,971 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-13 12:51:51,396 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-13 12:51:51,790 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-13 12:51:52,830 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-13 12:51:53,242 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-13 12:51:53,667 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-13 12:51:54,565 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-13 12:51:54,975 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-13 12:51:55,284 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-13 12:51:55,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:51:55,615 INFO L93 Difference]: Finished difference Result 840 states and 1059 transitions. [2020-10-13 12:51:55,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-13 12:51:55,616 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-10-13 12:51:55,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:51:55,617 INFO L225 Difference]: With dead ends: 840 [2020-10-13 12:51:55,617 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:51:55,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=435, Invalid=1287, Unknown=0, NotChecked=0, Total=1722 [2020-10-13 12:51:55,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:51:55,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:51:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:51:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:51:55,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-10-13 12:51:55,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:51:55,623 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:51:55,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 12:51:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:51:55,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:51:55,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:51:55,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:51:55,992 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 204 [2020-10-13 12:51:56,336 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 204 [2020-10-13 12:51:56,739 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-13 12:51:56,986 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-13 12:51:57,768 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-10-13 12:52:00,100 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 245 [2020-10-13 12:52:00,932 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 248 [2020-10-13 12:52:01,276 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-10-13 12:52:02,071 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 22 [2020-10-13 12:52:02,247 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-13 12:52:02,414 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-10-13 12:52:03,608 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 192 DAG size of output: 30 [2020-10-13 12:52:03,832 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-10-13 12:52:04,539 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 25 [2020-10-13 12:52:04,997 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 26 [2020-10-13 12:52:05,296 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 26 [2020-10-13 12:52:05,506 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-10-13 12:52:05,926 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 26 [2020-10-13 12:52:06,092 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2020-10-13 12:52:06,304 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:52:06,834 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 58 [2020-10-13 12:52:07,626 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 33 [2020-10-13 12:52:07,842 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-10-13 12:52:08,064 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 1 [2020-10-13 12:52:08,781 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 27 [2020-10-13 12:52:09,032 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 4 [2020-10-13 12:52:09,410 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 11 [2020-10-13 12:52:10,189 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 27 [2020-10-13 12:52:10,571 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 26 [2020-10-13 12:52:11,297 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 26 [2020-10-13 12:52:11,504 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-10-13 12:52:12,101 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 24 [2020-10-13 12:52:12,635 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 22 [2020-10-13 12:52:13,002 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 28 [2020-10-13 12:52:13,169 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2020-10-13 12:52:13,363 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-13 12:52:13,531 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2020-10-13 12:52:13,698 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2020-10-13 12:52:14,092 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 26 [2020-10-13 12:52:14,508 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 24 [2020-10-13 12:52:14,678 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-13 12:52:14,902 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2020-10-13 12:52:15,491 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2020-10-13 12:52:15,652 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-10-13 12:52:15,926 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 26 [2020-10-13 12:52:16,100 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-13 12:52:16,267 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2020-10-13 12:52:16,458 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-13 12:52:16,869 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 26 [2020-10-13 12:52:17,260 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 28 [2020-10-13 12:52:17,701 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 26 [2020-10-13 12:52:17,913 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-13 12:52:18,093 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2020-10-13 12:52:18,342 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2020-10-13 12:52:18,349 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-10-13 12:52:18,349 INFO L268 CegarLoopResult]: For program point L670-1(lines 670 674) no Hoare annotation was computed. [2020-10-13 12:52:18,349 INFO L268 CegarLoopResult]: For program point L665(line 665) no Hoare annotation was computed. [2020-10-13 12:52:18,349 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 685) no Hoare annotation was computed. [2020-10-13 12:52:18,350 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 639 694) no Hoare annotation was computed. [2020-10-13 12:52:18,350 INFO L268 CegarLoopResult]: For program point L686(lines 663 687) no Hoare annotation was computed. [2020-10-13 12:52:18,350 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 639 694) no Hoare annotation was computed. [2020-10-13 12:52:18,350 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 639 694) no Hoare annotation was computed. [2020-10-13 12:52:18,350 INFO L268 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-10-13 12:52:18,351 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 731) no Hoare annotation was computed. [2020-10-13 12:52:18,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 695 754) no Hoare annotation was computed. [2020-10-13 12:52:18,351 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-10-13 12:52:18,351 INFO L268 CegarLoopResult]: For program point L721-2(lines 721 746) no Hoare annotation was computed. [2020-10-13 12:52:18,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 695 754) no Hoare annotation was computed. [2020-10-13 12:52:18,352 INFO L268 CegarLoopResult]: For program point L747(lines 720 748) no Hoare annotation was computed. [2020-10-13 12:52:18,352 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 695 754) no Hoare annotation was computed. [2020-10-13 12:52:18,352 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-10-13 12:52:18,352 INFO L268 CegarLoopResult]: For program point L740-1(line 740) no Hoare annotation was computed. [2020-10-13 12:52:18,352 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 570 576) the Hoare annotation is: true [2020-10-13 12:52:18,352 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 570 576) no Hoare annotation was computed. [2020-10-13 12:52:18,352 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 577 585) no Hoare annotation was computed. [2020-10-13 12:52:18,353 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 577 585) the Hoare annotation is: true [2020-10-13 12:52:18,354 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 577 585) no Hoare annotation was computed. [2020-10-13 12:52:18,354 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 144 151) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-10-13 12:52:18,355 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 144 151) no Hoare annotation was computed. [2020-10-13 12:52:18,355 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 144 151) no Hoare annotation was computed. [2020-10-13 12:52:18,357 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 152 161) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (and (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= ~pumpRunning~0 0))) (and (not (< 0 (+ ~pumpRunning~0 1))) (not (<= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-13 12:52:18,357 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 12:52:18,357 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 152 161) no Hoare annotation was computed. [2020-10-13 12:52:18,357 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 152 161) no Hoare annotation was computed. [2020-10-13 12:52:18,358 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (and (or (and (not (< 0 (+ ~pumpRunning~0 1))) (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (not (<= ~pumpRunning~0 0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (not (<= ~waterLevel~0 1))) (not (= 2 ~waterLevel~0))) [2020-10-13 12:52:18,358 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 162 190) the Hoare annotation is: true [2020-10-13 12:52:18,358 INFO L268 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-10-13 12:52:18,358 INFO L268 CegarLoopResult]: For program point L174(lines 174 184) no Hoare annotation was computed. [2020-10-13 12:52:18,358 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (not (= 2 ~waterLevel~0)) [2020-10-13 12:52:18,358 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 162 190) no Hoare annotation was computed. [2020-10-13 12:52:18,358 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-10-13 12:52:18,359 INFO L268 CegarLoopResult]: For program point L170(lines 170 187) no Hoare annotation was computed. [2020-10-13 12:52:18,359 INFO L268 CegarLoopResult]: For program point L170-1(lines 162 190) no Hoare annotation was computed. [2020-10-13 12:52:18,359 INFO L271 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: true [2020-10-13 12:52:18,359 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-10-13 12:52:18,359 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:52:18,359 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:52:18,359 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:52:18,360 INFO L268 CegarLoopResult]: For program point L281(lines 281 288) no Hoare annotation was computed. [2020-10-13 12:52:18,360 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2020-10-13 12:52:18,360 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2020-10-13 12:52:18,360 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-10-13 12:52:18,360 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:52:18,360 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:52:18,360 INFO L264 CegarLoopResult]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:52:18,361 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2020-10-13 12:52:18,361 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2020-10-13 12:52:18,361 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2020-10-13 12:52:18,361 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2020-10-13 12:52:18,361 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-10-13 12:52:18,361 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-10-13 12:52:18,361 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-10-13 12:52:18,362 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-10-13 12:52:18,362 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-10-13 12:52:18,362 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-10-13 12:52:18,362 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-10-13 12:52:18,362 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-10-13 12:52:18,362 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-10-13 12:52:18,362 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-10-13 12:52:18,362 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-10-13 12:52:18,362 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-10-13 12:52:18,363 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-10-13 12:52:18,363 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-10-13 12:52:18,363 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2020-10-13 12:52:18,363 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2020-10-13 12:52:18,363 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 422 430) no Hoare annotation was computed. [2020-10-13 12:52:18,363 INFO L268 CegarLoopResult]: For program point L450-2(lines 450 458) no Hoare annotation was computed. [2020-10-13 12:52:18,363 INFO L268 CegarLoopResult]: For program point L438(lines 438 446) no Hoare annotation was computed. [2020-10-13 12:52:18,363 INFO L268 CegarLoopResult]: For program point L438-2(lines 438 446) no Hoare annotation was computed. [2020-10-13 12:52:18,363 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 431 466) no Hoare annotation was computed. [2020-10-13 12:52:18,363 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-13 12:52:18,364 INFO L268 CegarLoopResult]: For program point L461-1(line 461) no Hoare annotation was computed. [2020-10-13 12:52:18,364 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 431 466) no Hoare annotation was computed. [2020-10-13 12:52:18,364 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 431 466) no Hoare annotation was computed. [2020-10-13 12:52:18,364 INFO L268 CegarLoopResult]: For program point L450(lines 450 458) no Hoare annotation was computed. [2020-10-13 12:52:18,364 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 563 569) no Hoare annotation was computed. [2020-10-13 12:52:18,364 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 563 569) the Hoare annotation is: true [2020-10-13 12:52:18,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 593 638) no Hoare annotation was computed. [2020-10-13 12:52:18,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 593 638) no Hoare annotation was computed. [2020-10-13 12:52:18,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 593 638) no Hoare annotation was computed. [2020-10-13 12:52:18,365 INFO L268 CegarLoopResult]: For program point L926(lines 926 933) no Hoare annotation was computed. [2020-10-13 12:52:18,365 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 906 951) no Hoare annotation was computed. [2020-10-13 12:52:18,365 INFO L268 CegarLoopResult]: For program point L920(lines 920 940) no Hoare annotation was computed. [2020-10-13 12:52:18,365 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 940) no Hoare annotation was computed. [2020-10-13 12:52:18,365 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 906 951) no Hoare annotation was computed. [2020-10-13 12:52:18,365 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 906 951) no Hoare annotation was computed. [2020-10-13 12:52:18,365 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:52:18,365 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2020-10-13 12:52:18,365 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2020-10-13 12:52:18,366 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2020-10-13 12:52:18,366 INFO L271 CegarLoopResult]: At program point L416(line 416) the Hoare annotation is: true [2020-10-13 12:52:18,366 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2020-10-13 12:52:18,366 INFO L268 CegarLoopResult]: For program point L416-1(line 416) no Hoare annotation was computed. [2020-10-13 12:52:18,366 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2020-10-13 12:52:18,366 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 411 421) no Hoare annotation was computed. [2020-10-13 12:52:18,366 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: (or (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) (not (<= ~waterLevel~0 2)) (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:52:18,366 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2020-10-13 12:52:18,366 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 403 410) no Hoare annotation was computed. [2020-10-13 12:52:18,367 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-10-13 12:52:18,367 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-10-13 12:52:18,367 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-10-13 12:52:18,367 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-10-13 12:52:18,367 INFO L264 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) .cse0 (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:52:18,367 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) .cse0 (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:52:18,367 INFO L268 CegarLoopResult]: For program point L378(lines 378 386) no Hoare annotation was computed. [2020-10-13 12:52:18,368 INFO L264 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) .cse0 (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:52:18,368 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-10-13 12:52:18,368 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 370 394) no Hoare annotation was computed. [2020-10-13 12:52:18,368 INFO L268 CegarLoopResult]: For program point L374(lines 374 391) no Hoare annotation was computed. [2020-10-13 12:52:18,368 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 370 394) the Hoare annotation is: (or (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (not (<= ~waterLevel~0 2)) (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:52:18,368 INFO L264 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: (or (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (not (<= ~waterLevel~0 2)) (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2020-10-13 12:52:18,368 INFO L268 CegarLoopResult]: For program point L389-1(lines 370 394) no Hoare annotation was computed. [2020-10-13 12:52:18,368 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 336 342) no Hoare annotation was computed. [2020-10-13 12:52:18,368 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 336 342) the Hoare annotation is: true [2020-10-13 12:52:18,369 INFO L264 CegarLoopResult]: At program point testENTRY(lines 487 550) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:52:18,369 INFO L264 CegarLoopResult]: At program point L543(lines 496 544) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:52:18,369 INFO L268 CegarLoopResult]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2020-10-13 12:52:18,369 INFO L268 CegarLoopResult]: For program point L533(lines 533 537) no Hoare annotation was computed. [2020-10-13 12:52:18,369 INFO L264 CegarLoopResult]: At program point L533-2(lines 527 538) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (or (<= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 (or (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (< 0 (+ ~pumpRunning~0 1))) (<= ~waterLevel~0 2)) (and (= 2 ~waterLevel~0) .cse0))) [2020-10-13 12:52:18,369 INFO L268 CegarLoopResult]: For program point L498(lines 497 542) no Hoare annotation was computed. [2020-10-13 12:52:18,369 INFO L268 CegarLoopResult]: For program point L527(lines 527 538) no Hoare annotation was computed. [2020-10-13 12:52:18,370 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (or (<= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 (or (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (< 0 (+ ~pumpRunning~0 1))) (<= ~waterLevel~0 2)) (and (= 2 ~waterLevel~0) .cse0))) [2020-10-13 12:52:18,370 INFO L268 CegarLoopResult]: For program point L517(lines 517 523) no Hoare annotation was computed. [2020-10-13 12:52:18,370 INFO L268 CegarLoopResult]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2020-10-13 12:52:18,370 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (or (<= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 (or (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (< 0 (+ ~pumpRunning~0 1))) (<= ~waterLevel~0 2)) (and (= 2 ~waterLevel~0) .cse0))) [2020-10-13 12:52:18,370 INFO L264 CegarLoopResult]: At program point L540(lines 497 542) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (or (<= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 (or (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (< 0 (+ ~pumpRunning~0 1))) (<= ~waterLevel~0 2)) (and (= 2 ~waterLevel~0) .cse0))) [2020-10-13 12:52:18,370 INFO L268 CegarLoopResult]: For program point L507(lines 507 513) no Hoare annotation was computed. [2020-10-13 12:52:18,370 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2020-10-13 12:52:18,370 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-10-13 12:52:18,371 INFO L268 CegarLoopResult]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2020-10-13 12:52:18,371 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 860 905) no Hoare annotation was computed. [2020-10-13 12:52:18,371 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 860 905) no Hoare annotation was computed. [2020-10-13 12:52:18,371 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 860 905) no Hoare annotation was computed. [2020-10-13 12:52:18,371 INFO L268 CegarLoopResult]: For program point L880(lines 880 887) no Hoare annotation was computed. [2020-10-13 12:52:18,371 INFO L268 CegarLoopResult]: For program point L874(lines 874 894) no Hoare annotation was computed. [2020-10-13 12:52:18,371 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2020-10-13 12:52:18,371 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-10-13 12:52:18,371 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-10-13 12:52:18,371 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-10-13 12:52:18,371 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-10-13 12:52:18,372 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-10-13 12:52:18,372 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 553 562) no Hoare annotation was computed. [2020-10-13 12:52:18,372 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 553 562) no Hoare annotation was computed. [2020-10-13 12:52:18,372 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 553 562) no Hoare annotation was computed. [2020-10-13 12:52:18,372 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 757 859) no Hoare annotation was computed. [2020-10-13 12:52:18,372 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-10-13 12:52:18,372 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-10-13 12:52:18,372 INFO L268 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-10-13 12:52:18,372 INFO L268 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-10-13 12:52:18,372 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-10-13 12:52:18,373 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 757 859) no Hoare annotation was computed. [2020-10-13 12:52:18,373 INFO L268 CegarLoopResult]: For program point L806-2(lines 806 826) no Hoare annotation was computed. [2020-10-13 12:52:18,373 INFO L268 CegarLoopResult]: For program point L827(lines 805 828) no Hoare annotation was computed. [2020-10-13 12:52:18,373 INFO L268 CegarLoopResult]: For program point L786(lines 786 802) no Hoare annotation was computed. [2020-10-13 12:52:18,373 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 757 859) no Hoare annotation was computed. [2020-10-13 12:52:18,373 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-10-13 12:52:18,373 INFO L268 CegarLoopResult]: For program point L807(lines 806 826) no Hoare annotation was computed. [2020-10-13 12:52:18,374 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-10-13 12:52:18,374 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-10-13 12:52:18,374 INFO L268 CegarLoopResult]: For program point L803(lines 803 844) no Hoare annotation was computed. [2020-10-13 12:52:18,374 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:52:18,374 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string26.offset| |old(#t~string26.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~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-13 12:52:18,374 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:52:18,374 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 395 402) no Hoare annotation was computed. [2020-10-13 12:52:18,375 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 395 402) no Hoare annotation was computed. [2020-10-13 12:52:18,375 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 395 402) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-10-13 12:52:18,375 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-10-13 12:52:18,375 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-10-13 12:52:18,375 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-10-13 12:52:18,375 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2020-10-13 12:52:18,375 INFO L268 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-10-13 12:52:18,375 INFO L271 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: true [2020-10-13 12:52:18,376 INFO L268 CegarLoopResult]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2020-10-13 12:52:18,376 INFO L268 CegarLoopResult]: For program point L474-1(line 474) no Hoare annotation was computed. [2020-10-13 12:52:18,376 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2020-10-13 12:52:18,376 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2020-10-13 12:52:18,376 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-10-13 12:52:18,376 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= 2 ~waterLevel~0)) .cse0) (or (and (not (< 0 (+ ~pumpRunning~0 1))) (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (not (<= ~pumpRunning~0 0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-13 12:52:18,376 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-10-13 12:52:18,376 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:52:18,377 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:52:18,377 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:52:18,377 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-10-13 12:52:18,377 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-10-13 12:52:18,377 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-10-13 12:52:18,377 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (or (<= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (or (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (< 0 (+ ~pumpRunning~0 1))))) (and (or (not (= |old(~waterLevel~0)| 2)) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2)) (or (not (<= |old(~waterLevel~0)| 2)) (not (= |old(~pumpRunning~0)| 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (not (<= |old(~waterLevel~0)| 1))))) [2020-10-13 12:52:18,377 INFO L268 CegarLoopResult]: For program point L316(lines 312 334) no Hoare annotation was computed. [2020-10-13 12:52:18,378 INFO L268 CegarLoopResult]: For program point L314(lines 312 334) no Hoare annotation was computed. [2020-10-13 12:52:18,378 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 309 335) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (and (or (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 2))))) [2020-10-13 12:52:18,378 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 309 335) no Hoare annotation was computed. [2020-10-13 12:52:18,378 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 309 335) no Hoare annotation was computed. [2020-10-13 12:52:18,378 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)))) (.cse6 (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (.cse4 (and .cse0 (= 2 ~waterLevel~0) .cse7 .cse8)) (.cse9 (and (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0)) (or (= |isPumpRunning_#res| 0) (not .cse8)) (or (<= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7 (or (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (< 0 (+ ~pumpRunning~0 1))) (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse4 .cse2) (or (<= ~waterLevel~0 1) .cse5 .cse6 .cse1) (or .cse3 .cse5 .cse6 (and .cse7 .cse8) .cse9) (or .cse4 (not (= |old(~waterLevel~0)| 2)) .cse9)))) [2020-10-13 12:52:18,379 INFO L264 CegarLoopResult]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (or (<= 1 ~switchedOnBeforeTS~0) (<= (+ ~switchedOnBeforeTS~0 1) 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse10 (<= ~waterLevel~0 2))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (and .cse9 .cse8 .cse10)) (.cse5 (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)))) (.cse6 (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (.cse3 (and .cse9 (or (= |isPumpRunning_#res| 0) (not .cse8)) (or (<= ~pumpRunning~0 0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7 (or (<= ~switchedOnBeforeTS~0 ~pumpRunning~0) (< 0 (+ ~pumpRunning~0 1))) .cse10)) (.cse4 (and .cse1 (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3 .cse4) (or (<= ~waterLevel~0 1) .cse5 .cse6 (not (<= |old(~waterLevel~0)| 1))) (or .cse0 .cse2 .cse5 .cse6 (and .cse7 .cse8) .cse3 .cse4)))) [2020-10-13 12:52:18,379 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2020-10-13 12:52:18,379 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2020-10-13 12:52:18,379 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true [2020-10-13 12:52:18,379 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-10-13 12:52:18,379 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-10-13 12:52:18,379 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2020-10-13 12:52:18,380 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-10-13 12:52:18,380 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2020-10-13 12:52:18,380 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-10-13 12:52:18,380 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-10-13 12:52:18,380 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (and (not (<= (+ ~switchedOnBeforeTS~0 1) 0)) (not (<= 1 ~switchedOnBeforeTS~0))) (= |old(~waterLevel~0)| ~waterLevel~0) (and (not (< 0 (+ ~pumpRunning~0 1))) (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (not (<= ~pumpRunning~0 0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2020-10-13 12:52:18,380 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-10-13 12:52:18,380 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-10-13 12:52:18,380 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2020-10-13 12:52:18,380 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2020-10-13 12:52:18,381 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:52:18,381 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-10-13 12:52:18,381 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:52:18,381 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:52:18,381 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 344 368) the Hoare annotation is: (or (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (not (<= ~waterLevel~0 2)) (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:52:18,381 INFO L268 CegarLoopResult]: For program point L352(lines 352 360) no Hoare annotation was computed. [2020-10-13 12:52:18,381 INFO L264 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (or (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (not (<= ~waterLevel~0 2)) (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2020-10-13 12:52:18,382 INFO L268 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-10-13 12:52:18,382 INFO L268 CegarLoopResult]: For program point L348(lines 348 365) no Hoare annotation was computed. [2020-10-13 12:52:18,382 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 344 368) no Hoare annotation was computed. [2020-10-13 12:52:18,382 INFO L264 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) .cse0 (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-10-13 12:52:18,382 INFO L268 CegarLoopResult]: For program point L363-1(lines 344 368) no Hoare annotation was computed. [2020-10-13 12:52:18,382 INFO L264 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: (let ((.cse0 (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) (and (or .cse0 (and (<= processEnvironment__wrappee__highWaterSensor_~tmp~2 0) (<= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))))) [2020-10-13 12:52:18,382 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (or (and (not (< 0 (+ |old(~pumpRunning~0)| 1))) (not (<= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (not (<= ~waterLevel~0 2)) (and (not (<= |old(~pumpRunning~0)| 0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (and (= 2 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2020-10-13 12:52:18,382 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-10-13 12:52:18,383 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-10-13 12:52:18,383 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (and (or (= 2 ~waterLevel~0) (not (= |old(~waterLevel~0)| 2))) (or (not (<= |old(~waterLevel~0)| 2)) (= |old(~waterLevel~0)| ~waterLevel~0) (and (not (< 0 (+ ~pumpRunning~0 1))) (not (<= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (not (<= ~pumpRunning~0 0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2020-10-13 12:52:18,383 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 295 302) no Hoare annotation was computed. [2020-10-13 12:52:18,383 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2020-10-13 12:52:18,383 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 295 302) the Hoare annotation is: true [2020-10-13 12:52:18,383 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 295 302) no Hoare annotation was computed. [2020-10-13 12:52:18,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:52:18 BoogieIcfgContainer [2020-10-13 12:52:18,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:52:18,403 INFO L168 Benchmark]: Toolchain (without parser) took 70857.07 ms. Allocated memory was 138.9 MB in the beginning and 901.8 MB in the end (delta: 762.8 MB). Free memory was 101.1 MB in the beginning and 596.2 MB in the end (delta: -495.1 MB). Peak memory consumption was 767.5 MB. Max. memory is 7.1 GB. [2020-10-13 12:52:18,403 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 12:52:18,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.93 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 100.9 MB in the beginning and 166.8 MB in the end (delta: -65.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-10-13 12:52:18,405 INFO L168 Benchmark]: Boogie Preprocessor took 110.97 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 162.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:52:18,405 INFO L168 Benchmark]: RCFGBuilder took 1230.54 ms. Allocated memory was 199.8 MB in the beginning and 232.3 MB in the end (delta: 32.5 MB). Free memory was 162.6 MB in the beginning and 192.8 MB in the end (delta: -30.1 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-10-13 12:52:18,406 INFO L168 Benchmark]: TraceAbstraction took 68749.42 ms. Allocated memory was 232.3 MB in the beginning and 901.8 MB in the end (delta: 669.5 MB). Free memory was 192.8 MB in the beginning and 596.2 MB in the end (delta: -403.4 MB). Peak memory consumption was 765.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:52:18,409 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.93 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 100.9 MB in the beginning and 166.8 MB in the end (delta: -65.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.97 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 162.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1230.54 ms. Allocated memory was 199.8 MB in the beginning and 232.3 MB in the end (delta: 32.5 MB). Free memory was 162.6 MB in the beginning and 192.8 MB in the end (delta: -30.1 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 68749.42 ms. Allocated memory was 232.3 MB in the beginning and 901.8 MB in the end (delta: 669.5 MB). Free memory was 192.8 MB in the beginning and 596.2 MB in the end (delta: -403.4 MB). Peak memory consumption was 765.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: 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: 496]: Loop Invariant Derived loop invariant: !(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((((pumpRunning <= 0 || pumpRunning <= switchedOnBeforeTS) && splverifierCounter <= 0) && (switchedOnBeforeTS <= pumpRunning || 0 < pumpRunning + 1)) && waterLevel <= 2)) || (2 == waterLevel && splverifierCounter <= 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45.9s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1148 SDtfs, 2272 SDslu, 1240 SDs, 0 SdLazy, 5059 SolverSat, 1596 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 403 GetRequests, 272 SyntacticMatches, 1 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 12.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=566occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 275 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 870 PreInvPairs, 1033 NumberOfFragments, 1730 HoareAnnotationTreeSize, 870 FomulaSimplifications, 1743601 FormulaSimplificationTreeSizeReduction, 5.8s HoareSimplificationTime, 61 FomulaSimplificationsInter, 98063 FormulaSimplificationTreeSizeReductionInter, 16.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 721 NumberOfCodeBlocks, 721 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 713 ConstructedInterpolants, 0 QuantifiedInterpolants, 261040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 115/119 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...