/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:05:14,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:05:14,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:05:14,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:05:14,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:05:14,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:05:14,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:05:14,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:05:14,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:05:14,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:05:14,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:05:14,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:05:14,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:05:14,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:05:14,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:05:14,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:05:14,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:05:14,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:05:14,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:05:14,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:05:14,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:05:14,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:05:14,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:05:14,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:05:14,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:05:14,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:05:14,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:05:14,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:05:14,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:05:14,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:05:14,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:05:14,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:05:14,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:05:14,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:05:14,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:05:14,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:05:14,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:05:14,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:05:14,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:05:14,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:05:14,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:05:14,235 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:05:14,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:05:14,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:05:14,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:05:14,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:05:14,288 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:05:14,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:05:14,289 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:05:14,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:05:14,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:05:14,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:05:14,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:05:14,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:05:14,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:05:14,292 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:05:14,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:05:14,292 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:05:14,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:05:14,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:05:14,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:05:14,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:05:14,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:05:14,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:14,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:05:14,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:05:14,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:05:14,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:05:14,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:05:14,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:05:14,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:05:14,295 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:05:15,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:05:15,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:05:15,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:05:15,501 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:05:15,501 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:05:15,503 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2020-09-21 12:05:15,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b91e2b4a5/a7ab89b03b644251b1c049a456993adc/FLAG92b56c97d [2020-09-21 12:05:16,197 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:05:16,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2020-09-21 12:05:16,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b91e2b4a5/a7ab89b03b644251b1c049a456993adc/FLAG92b56c97d [2020-09-21 12:05:16,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b91e2b4a5/a7ab89b03b644251b1c049a456993adc [2020-09-21 12:05:16,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:05:16,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:05:16,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:16,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:05:16,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:05:16,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9949ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:16, skipping insertion in model container [2020-09-21 12:05:16,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:16" (1/1) ... [2020-09-21 12:05:16,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:05:16,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:05:16,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:17,007 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:05:17,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:17,216 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:05:17,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17 WrapperNode [2020-09-21 12:05:17,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:17,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:05:17,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:05:17,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:05:17,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... [2020-09-21 12:05:17,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:05:17,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:05:17,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:05:17,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:05:17,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:05:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:05:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:05:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:05:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:05:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:05:17,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:05:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:05:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:05:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:05:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:05:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:05:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:05:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:05:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:05:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:05:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:05:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:05:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:05:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:05:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:05:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:05:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:05:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:05:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:05:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:05:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:05:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:05:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:05:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:05:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:05:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:05:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:05:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:05:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:05:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:05:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:05:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:05:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:05:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:05:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:05:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:05:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:05:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:05:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:05:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:05:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:05:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:05:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:05:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:05:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:05:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:05:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:05:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:05:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:05:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:05:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:05:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:05:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:05:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:05:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:05:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:05:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:05:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:05:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 12:05:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:05:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:05:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:05:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:05:18,518 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:05:18,519 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:05:18,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:18 BoogieIcfgContainer [2020-09-21 12:05:18,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:05:18,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:05:18,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:05:18,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:05:18,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:05:16" (1/3) ... [2020-09-21 12:05:18,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540c9fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:18, skipping insertion in model container [2020-09-21 12:05:18,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:17" (2/3) ... [2020-09-21 12:05:18,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540c9fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:18, skipping insertion in model container [2020-09-21 12:05:18,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:18" (3/3) ... [2020-09-21 12:05:18,541 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2020-09-21 12:05:18,554 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:05:18,567 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:05:18,590 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:05:18,628 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:05:18,628 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:05:18,629 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:05:18,629 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:05:18,629 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:05:18,629 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:05:18,630 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:05:18,630 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:05:18,655 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-09-21 12:05:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:05:18,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:18,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:18,667 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:18,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:18,673 INFO L82 PathProgramCache]: Analyzing trace with hash -830418585, now seen corresponding path program 1 times [2020-09-21 12:05:18,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:18,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772067071] [2020-09-21 12:05:18,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:19,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:19,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:19,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:20,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:20,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:05:20,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:20,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1402 [2020-09-21 12:05:20,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:20,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:05:20,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:20,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-21 12:05:20,953 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:20,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:20,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:21,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:21,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:21,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:21,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-21 12:05:21,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:21,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:21,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:21,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:21,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:21,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:21,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:21,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:21,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:21,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:21,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:21,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:21,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:21,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:21,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:21,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:21,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:21,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:21,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:21,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:21,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:21,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:21,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:21,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:21,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:21,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:21,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:21,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:21,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:21,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:21,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:21,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:21,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:21,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:21,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:21,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:21,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:21,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:21,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:21,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:21,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:21,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:05:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:21,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:21,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:21,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:21,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:21,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:21,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:21,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:21,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:21,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:21,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:21,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:05:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:21,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:21,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:21,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:21,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:21,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:21,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:21,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:21,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:21,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:21,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:21,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772067071] [2020-09-21 12:05:21,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:21,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:05:21,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028315030] [2020-09-21 12:05:21,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:05:21,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:21,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:05:21,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:21,248 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 3 states. [2020-09-21 12:05:22,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:22,303 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2020-09-21 12:05:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:05:22,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:05:22,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:22,323 INFO L225 Difference]: With dead ends: 199 [2020-09-21 12:05:22,323 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 12:05:22,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:22,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 12:05:22,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-09-21 12:05:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 12:05:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-09-21 12:05:22,421 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-09-21 12:05:22,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:22,422 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-09-21 12:05:22,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:05:22,422 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-09-21 12:05:22,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:05:22,426 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:22,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:22,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:05:22,427 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:22,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:22,427 INFO L82 PathProgramCache]: Analyzing trace with hash -840422466, now seen corresponding path program 1 times [2020-09-21 12:05:22,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:22,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104878211] [2020-09-21 12:05:22,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:22,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:22,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:22,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:05:23,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:23,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1039 [2020-09-21 12:05:23,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:23,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:05:23,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:05:23,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,807 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:23,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 12:05:23,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:23,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:23,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:23,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:23,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:23,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:23,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:05:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:23,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:23,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:05:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:23,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:23,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:23,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:23,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:23,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:23,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:23,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:23,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:23,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:23,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:23,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:23,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104878211] [2020-09-21 12:05:23,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:23,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:23,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954698555] [2020-09-21 12:05:23,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:23,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:23,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:23,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:23,964 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2020-09-21 12:05:24,463 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:25,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:25,030 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2020-09-21 12:05:25,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:25,031 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:05:25,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:25,033 INFO L225 Difference]: With dead ends: 132 [2020-09-21 12:05:25,034 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 12:05:25,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:25,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 12:05:25,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-09-21 12:05:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 12:05:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-09-21 12:05:25,066 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2020-09-21 12:05:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:25,066 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-09-21 12:05:25,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-09-21 12:05:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:05:25,068 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:25,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:25,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:05:25,069 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:25,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:25,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1474594397, now seen corresponding path program 1 times [2020-09-21 12:05:25,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:25,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255463833] [2020-09-21 12:05:25,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:25,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:25,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 12:05:26,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:26,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:05:26,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:05:26,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,405 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:26,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-21 12:05:26,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:05:26,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:26,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:26,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:26,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:26,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:05:26,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:26,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:26,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:26,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:05:26,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:26,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:26,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:05:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:26,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:26,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:26,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:05:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:26,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:26,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:26,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:26,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:26,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:26,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:26,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:26,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:26,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:26,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:26,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255463833] [2020-09-21 12:05:26,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:26,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:26,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726838919] [2020-09-21 12:05:26,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:26,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:26,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:26,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:26,666 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 4 states. [2020-09-21 12:05:26,982 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:27,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:27,429 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions. [2020-09-21 12:05:27,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:27,430 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:05:27,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:27,431 INFO L225 Difference]: With dead ends: 141 [2020-09-21 12:05:27,432 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 12:05:27,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 12:05:27,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-09-21 12:05:27,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 12:05:27,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-09-21 12:05:27,459 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2020-09-21 12:05:27,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:27,459 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-09-21 12:05:27,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-09-21 12:05:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 12:05:27,461 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:27,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:27,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:05:27,462 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:27,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:27,462 INFO L82 PathProgramCache]: Analyzing trace with hash 132896390, now seen corresponding path program 1 times [2020-09-21 12:05:27,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:27,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212744778] [2020-09-21 12:05:27,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:27,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:28,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:28,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:28,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:05:28,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:28,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1131 [2020-09-21 12:05:28,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:28,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:05:28,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:28,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 12:05:28,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:28,919 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:28,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:28,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-21 12:05:29,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:05:29,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:29,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:29,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:29,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:29,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:29,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:05:29,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:29,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:29,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:29,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:29,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 12:05:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:29,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:29,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:29,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:05:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:05:29,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:29,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:29,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:29,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 12:05:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:29,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:29,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:29,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:29,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:29,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:05:29,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:05:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:29,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212744778] [2020-09-21 12:05:29,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:29,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:05:29,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763033259] [2020-09-21 12:05:29,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:05:29,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:29,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:05:29,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:05:29,189 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 7 states. [2020-09-21 12:05:29,517 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:30,296 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:30,652 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:30,897 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:31,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:31,003 INFO L93 Difference]: Finished difference Result 129 states and 157 transitions. [2020-09-21 12:05:31,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:05:31,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 12:05:31,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:31,005 INFO L225 Difference]: With dead ends: 129 [2020-09-21 12:05:31,005 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:05:31,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:05:31,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:05:31,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:05:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:05:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:05:31,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-09-21 12:05:31,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:31,010 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:05:31,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:05:31,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:05:31,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:05:31,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:05:31,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:05:31,239 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:31,418 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:31,592 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:31,759 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:31,923 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:32,093 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:32,241 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 10 [2020-09-21 12:05:32,489 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:32,739 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:32,995 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:33,242 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:05:33,399 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:33,554 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:33,714 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:33,871 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,017 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:34,167 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,337 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,490 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,640 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,791 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:34,933 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 10 [2020-09-21 12:05:35,083 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,232 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,383 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,519 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 10 [2020-09-21 12:05:35,667 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:35,802 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 10 [2020-09-21 12:05:35,950 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,102 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,252 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,401 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,549 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:36,740 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2020-09-21 12:05:36,946 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2020-09-21 12:05:37,181 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2020-09-21 12:05:37,402 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2020-09-21 12:05:37,636 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:05:37,844 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:05:38,049 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2020-09-21 12:05:38,255 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2020-09-21 12:05:38,466 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2020-09-21 12:05:38,736 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:38,952 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:05:39,210 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:05:39,506 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-21 12:05:39,713 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2020-09-21 12:05:39,719 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-09-21 12:05:39,719 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-09-21 12:05:39,719 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-09-21 12:05:39,719 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-09-21 12:05:39,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-09-21 12:05:39,720 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-09-21 12:05:39,720 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-09-21 12:05:39,720 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-09-21 12:05:39,720 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-09-21 12:05:39,720 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-09-21 12:05:39,720 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-09-21 12:05:39,720 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-21 12:05:39,721 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-09-21 12:05:39,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-09-21 12:05:39,721 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-09-21 12:05:39,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-09-21 12:05:39,721 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-21 12:05:39,721 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-09-21 12:05:39,722 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 12:05:39,722 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 12:05:39,722 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 12:05:39,722 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 12:05:39,722 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 12:05:39,722 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 614 636) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,723 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2020-09-21 12:05:39,723 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,723 INFO L264 CegarLoopResult]: At program point L626-1(line 626) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,723 INFO L268 CegarLoopResult]: For program point L624(lines 624 631) no Hoare annotation was computed. [2020-09-21 12:05:39,723 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2020-09-21 12:05:39,723 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-09-21 12:05:39,724 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,724 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 614 636) no Hoare annotation was computed. [2020-09-21 12:05:39,724 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,724 INFO L264 CegarLoopResult]: At program point L620-1(line 620) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,724 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 12:05:39,724 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 572 595) no Hoare annotation was computed. [2020-09-21 12:05:39,725 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 572 595) no Hoare annotation was computed. [2020-09-21 12:05:39,725 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 572 595) no Hoare annotation was computed. [2020-09-21 12:05:39,725 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-09-21 12:05:39,725 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 12:05:39,725 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 12:05:39,725 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-21 12:05:39,725 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 12:05:39,725 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-09-21 12:05:39,725 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-09-21 12:05:39,726 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 12:05:39,726 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-09-21 12:05:39,726 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-09-21 12:05:39,726 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 12:05:39,726 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-09-21 12:05:39,726 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-09-21 12:05:39,726 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 676 683) no Hoare annotation was computed. [2020-09-21 12:05:39,726 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 676 683) no Hoare annotation was computed. [2020-09-21 12:05:39,727 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 676 683) no Hoare annotation was computed. [2020-09-21 12:05:39,727 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 721 729) no Hoare annotation was computed. [2020-09-21 12:05:39,727 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 721 729) the Hoare annotation is: true [2020-09-21 12:05:39,727 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 721 729) no Hoare annotation was computed. [2020-09-21 12:05:39,727 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-09-21 12:05:39,727 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-09-21 12:05:39,727 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-09-21 12:05:39,727 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-09-21 12:05:39,727 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 730 765) no Hoare annotation was computed. [2020-09-21 12:05:39,728 INFO L268 CegarLoopResult]: For program point L749(lines 749 757) no Hoare annotation was computed. [2020-09-21 12:05:39,728 INFO L268 CegarLoopResult]: For program point L749-2(lines 749 757) no Hoare annotation was computed. [2020-09-21 12:05:39,728 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 730 765) no Hoare annotation was computed. [2020-09-21 12:05:39,728 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 730 765) no Hoare annotation was computed. [2020-09-21 12:05:39,728 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 12:05:39,728 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 12:05:39,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-09-21 12:05:39,729 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-09-21 12:05:39,729 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-09-21 12:05:39,729 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-09-21 12:05:39,729 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-09-21 12:05:39,729 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-09-21 12:05:39,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-09-21 12:05:39,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-09-21 12:05:39,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-09-21 12:05:39,730 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,730 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2020-09-21 12:05:39,730 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2020-09-21 12:05:39,730 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 710 720) no Hoare annotation was computed. [2020-09-21 12:05:39,730 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-09-21 12:05:39,730 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 710 720) no Hoare annotation was computed. [2020-09-21 12:05:39,731 INFO L268 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2020-09-21 12:05:39,731 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 710 720) no Hoare annotation was computed. [2020-09-21 12:05:39,731 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 702 709) no Hoare annotation was computed. [2020-09-21 12:05:39,731 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 702 709) no Hoare annotation was computed. [2020-09-21 12:05:39,731 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 702 709) no Hoare annotation was computed. [2020-09-21 12:05:39,731 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 669 675) no Hoare annotation was computed. [2020-09-21 12:05:39,731 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 669 675) the Hoare annotation is: true [2020-09-21 12:05:39,731 INFO L264 CegarLoopResult]: At program point testENTRY(lines 767 830) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,732 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,732 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-09-21 12:05:39,732 INFO L268 CegarLoopResult]: For program point L797-1(lines 797 803) no Hoare annotation was computed. [2020-09-21 12:05:39,732 INFO L268 CegarLoopResult]: For program point testFINAL(lines 767 830) no Hoare annotation was computed. [2020-09-21 12:05:39,732 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,732 INFO L264 CegarLoopResult]: At program point L820(lines 777 822) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,733 INFO L268 CegarLoopResult]: For program point L787(lines 787 793) no Hoare annotation was computed. [2020-09-21 12:05:39,733 INFO L268 CegarLoopResult]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2020-09-21 12:05:39,733 INFO L268 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-09-21 12:05:39,733 INFO L264 CegarLoopResult]: At program point L823(lines 776 824) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:39,733 INFO L268 CegarLoopResult]: For program point L813(lines 813 817) no Hoare annotation was computed. [2020-09-21 12:05:39,733 INFO L264 CegarLoopResult]: At program point L813-2(lines 807 818) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,733 INFO L268 CegarLoopResult]: For program point L778(lines 777 822) no Hoare annotation was computed. [2020-09-21 12:05:39,734 INFO L268 CegarLoopResult]: For program point L807(lines 807 818) no Hoare annotation was computed. [2020-09-21 12:05:39,734 INFO L268 CegarLoopResult]: For program point testEXIT(lines 767 830) no Hoare annotation was computed. [2020-09-21 12:05:39,734 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-09-21 12:05:39,734 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-09-21 12:05:39,734 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-09-21 12:05:39,734 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-09-21 12:05:39,734 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-09-21 12:05:39,734 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-09-21 12:05:39,734 INFO L268 CegarLoopResult]: For program point L505(lines 505 513) no Hoare annotation was computed. [2020-09-21 12:05:39,735 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2020-09-21 12:05:39,735 INFO L268 CegarLoopResult]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2020-09-21 12:05:39,735 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2020-09-21 12:05:39,735 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2020-09-21 12:05:39,735 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:05:39,735 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:05:39,735 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:05:39,735 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-09-21 12:05:39,735 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-09-21 12:05:39,736 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-09-21 12:05:39,736 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-09-21 12:05:39,736 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-09-21 12:05:39,736 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-09-21 12:05:39,736 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-09-21 12:05:39,736 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-09-21 12:05:39,736 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-09-21 12:05:39,736 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-09-21 12:05:39,737 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-09-21 12:05:39,737 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-09-21 12:05:39,737 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-09-21 12:05:39,737 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-09-21 12:05:39,737 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-09-21 12:05:39,737 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-09-21 12:05:39,737 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:05:39,738 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.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)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:05:39,738 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:05:39,738 INFO L268 CegarLoopResult]: For program point L690-1(line 690) no Hoare annotation was computed. [2020-09-21 12:05:39,738 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 685 701) no Hoare annotation was computed. [2020-09-21 12:05:39,738 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 685 701) no Hoare annotation was computed. [2020-09-21 12:05:39,738 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-09-21 12:05:39,738 INFO L268 CegarLoopResult]: For program point L696-1(lines 685 701) no Hoare annotation was computed. [2020-09-21 12:05:39,738 INFO L268 CegarLoopResult]: For program point L692(lines 692 698) no Hoare annotation was computed. [2020-09-21 12:05:39,739 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-09-21 12:05:39,739 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 520 528) no Hoare annotation was computed. [2020-09-21 12:05:39,739 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2020-09-21 12:05:39,739 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2020-09-21 12:05:39,739 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:05:39,739 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:05:39,739 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:05:39,739 INFO L268 CegarLoopResult]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2020-09-21 12:05:39,740 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:05:39,740 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2020-09-21 12:05:39,740 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2020-09-21 12:05:39,740 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2020-09-21 12:05:39,740 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2020-09-21 12:05:39,740 INFO L264 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,741 INFO L264 CegarLoopResult]: At program point L656(lines 656 662) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,741 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 645 668) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,741 INFO L264 CegarLoopResult]: At program point L651(line 651) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:39,741 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 645 668) no Hoare annotation was computed. [2020-09-21 12:05:39,741 INFO L268 CegarLoopResult]: For program point L649(lines 648 667) no Hoare annotation was computed. [2020-09-21 12:05:39,741 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 645 668) no Hoare annotation was computed. [2020-09-21 12:05:39,741 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2020-09-21 12:05:39,741 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2020-09-21 12:05:39,742 INFO L271 CegarLoopResult]: At program point L566(lines 541 570) the Hoare annotation is: true [2020-09-21 12:05:39,742 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 12:05:39,742 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-09-21 12:05:39,742 INFO L271 CegarLoopResult]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2020-09-21 12:05:39,742 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-09-21 12:05:39,742 INFO L271 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2020-09-21 12:05:39,742 INFO L271 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: true [2020-09-21 12:05:39,743 INFO L268 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-09-21 12:05:39,743 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2020-09-21 12:05:39,743 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-09-21 12:05:39,743 INFO L268 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-09-21 12:05:39,743 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2020-09-21 12:05:39,743 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2020-09-21 12:05:39,743 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:05:39,743 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:05:39,744 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:05:39,744 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:05:39,744 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2020-09-21 12:05:39,744 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:05:39,744 INFO L268 CegarLoopResult]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2020-09-21 12:05:39,744 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2020-09-21 12:05:39,745 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-09-21 12:05:39,745 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2020-09-21 12:05:39,745 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2020-09-21 12:05:39,745 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 832 856) the Hoare annotation is: true [2020-09-21 12:05:39,745 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 832 856) no Hoare annotation was computed. [2020-09-21 12:05:39,745 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:05:39,746 INFO L268 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-09-21 12:05:39,746 INFO L271 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: true [2020-09-21 12:05:39,746 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-09-21 12:05:39,746 INFO L268 CegarLoopResult]: For program point L840(lines 840 853) no Hoare annotation was computed. [2020-09-21 12:05:39,746 INFO L268 CegarLoopResult]: For program point L840-1(lines 832 856) no Hoare annotation was computed. [2020-09-21 12:05:39,746 INFO L271 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: true [2020-09-21 12:05:39,746 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-09-21 12:05:39,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:05:39 BoogieIcfgContainer [2020-09-21 12:05:39,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:05:39,769 INFO L168 Benchmark]: Toolchain (without parser) took 23262.11 ms. Allocated memory was 141.6 MB in the beginning and 544.2 MB in the end (delta: 402.7 MB). Free memory was 104.3 MB in the beginning and 414.0 MB in the end (delta: -309.7 MB). Peak memory consumption was 408.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:39,770 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:05:39,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.31 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 103.6 MB in the beginning and 174.4 MB in the end (delta: -70.8 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:39,772 INFO L168 Benchmark]: Boogie Preprocessor took 96.15 ms. Allocated memory is still 203.4 MB. Free memory was 174.4 MB in the beginning and 170.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:39,773 INFO L168 Benchmark]: RCFGBuilder took 1215.43 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 170.3 MB in the beginning and 200.7 MB in the end (delta: -30.4 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:39,774 INFO L168 Benchmark]: TraceAbstraction took 21235.28 ms. Allocated memory was 235.4 MB in the beginning and 544.2 MB in the end (delta: 308.8 MB). Free memory was 199.3 MB in the beginning and 414.0 MB in the end (delta: -214.7 MB). Peak memory consumption was 409.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:05:39,778 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.31 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 103.6 MB in the beginning and 174.4 MB in the end (delta: -70.8 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.15 ms. Allocated memory is still 203.4 MB. Free memory was 174.4 MB in the beginning and 170.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1215.43 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 170.3 MB in the beginning and 200.7 MB in the end (delta: -30.4 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21235.28 ms. Allocated memory was 235.4 MB in the beginning and 544.2 MB in the end (delta: 308.8 MB). Free memory was 199.3 MB in the beginning and 414.0 MB in the end (delta: -214.7 MB). Peak memory consumption was 409.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 777]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || splverifierCounter <= 0) || !(1 == systemActive) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: !(systemActive == 1) || !(pumpRunning == 0) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 271 SDtfs, 295 SDslu, 85 SDs, 0 SdLazy, 488 SolverSat, 160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 70 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 119 PreInvPairs, 133 NumberOfFragments, 472 HoareAnnotationTreeSize, 119 FomulaSimplifications, 6072 FormulaSimplificationTreeSizeReduction, 5.5s HoareSimplificationTime, 40 FomulaSimplificationsInter, 4407 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 51246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...