/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 interpolation-heuristic=FIRST --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_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:03:34,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:03:34,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:03:34,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:03:34,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:03:34,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:03:34,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:03:34,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:03:34,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:03:34,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:03:34,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:03:34,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:03:34,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:03:34,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:03:34,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:03:34,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:03:34,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:03:34,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:03:34,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:03:34,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:03:34,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:03:34,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:03:34,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:03:34,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:03:34,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:03:34,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:03:34,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:03:34,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:03:34,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:03:34,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:03:34,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:03:34,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:03:34,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:03:34,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:03:34,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:03:34,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:03:34,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:03:34,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:03:34,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:03:34,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:03:34,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:03:34,341 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 11:03:34,385 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:03:34,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:03:34,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:03:34,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:03:34,388 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:03:34,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:03:34,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:03:34,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:03:34,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:03:34,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:03:34,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:03:34,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:03:34,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:03:34,391 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:03:34,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:03:34,392 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:03:34,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:03:34,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:03:34,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:03:34,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:03:34,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:03:34,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:34,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:03:34,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:03:34,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:03:34,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:03:34,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:03:34,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:03:34,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:03:34,395 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:03:34,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:03:34,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:03:34,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:03:34,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:03:34,900 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:03:34,902 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-09-21 11:03:34,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e977eb4f8/cfae05c7e363448b9896be2b7d5a71fc/FLAG1fb57feb4 [2020-09-21 11:03:35,585 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:03:35,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-09-21 11:03:35,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e977eb4f8/cfae05c7e363448b9896be2b7d5a71fc/FLAG1fb57feb4 [2020-09-21 11:03:35,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e977eb4f8/cfae05c7e363448b9896be2b7d5a71fc [2020-09-21 11:03:35,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:03:35,911 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:03:35,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:35,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:03:35,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:03:35,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:35" (1/1) ... [2020-09-21 11:03:35,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a11f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:35, skipping insertion in model container [2020-09-21 11:03:35,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:35" (1/1) ... [2020-09-21 11:03:35,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:03:36,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:03:36,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:36,484 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:03:36,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:36,643 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:03:36,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:36 WrapperNode [2020-09-21 11:03:36,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:36,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:03:36,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:03:36,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:03:36,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:36" (1/1) ... [2020-09-21 11:03:36,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:36" (1/1) ... [2020-09-21 11:03:36,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:36" (1/1) ... [2020-09-21 11:03:36,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:36" (1/1) ... [2020-09-21 11:03:36,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:36" (1/1) ... [2020-09-21 11:03:36,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:36" (1/1) ... [2020-09-21 11:03:36,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:36" (1/1) ... [2020-09-21 11:03:36,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:03:36,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:03:36,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:03:36,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:03:36,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:36" (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 11:03:36,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:03:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:03:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:03:36,825 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:03:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:03:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:03:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:03:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:03:36,826 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:03:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:03:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:03:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:03:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:03:36,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:03:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:03:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:03:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:03:36,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:03:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:03:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:03:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:03:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:03:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:03:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:03:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:03:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:03:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:03:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:03:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:03:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:03:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:03:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:03:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:03:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:03:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:03:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:03:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:03:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:03:36,832 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:03:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:03:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:03:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:03:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:03:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:03:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:03:36,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:03:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:03:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:03:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:03:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:03:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:03:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:03:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:03:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:03:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:03:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:03:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:03:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:03:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:03:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:03:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:03:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:03:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:03:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:03:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:03:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:03:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:03:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:03:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:03:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:03:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:03:36,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:03:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:03:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:03:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:03:36,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:03:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:03:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:03:37,838 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:03:37,838 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:03:37,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:37 BoogieIcfgContainer [2020-09-21 11:03:37,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:03:37,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:03:37,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:03:37,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:03:37,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:03:35" (1/3) ... [2020-09-21 11:03:37,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1e78a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:37, skipping insertion in model container [2020-09-21 11:03:37,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:36" (2/3) ... [2020-09-21 11:03:37,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1e78a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:37, skipping insertion in model container [2020-09-21 11:03:37,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:37" (3/3) ... [2020-09-21 11:03:37,854 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2020-09-21 11:03:37,865 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:03:37,876 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:03:37,895 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:03:37,923 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:03:37,923 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:03:37,923 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:03:37,923 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:03:37,923 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:03:37,924 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:03:37,924 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:03:37,924 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:03:37,952 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-09-21 11:03:37,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:03:37,964 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:37,966 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 11:03:37,966 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:37,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:37,974 INFO L82 PathProgramCache]: Analyzing trace with hash 178766383, now seen corresponding path program 1 times [2020-09-21 11:03:37,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:37,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101793641] [2020-09-21 11:03:37,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:38,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:38,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:38,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:38,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:38,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:03:38,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:38,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:03:38,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:38,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:03:38,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:38,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:38,697 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:38,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:38,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:38,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:38,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:38,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:38,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:38,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:38,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:38,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:38,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:38,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:38,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:38,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:38,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:38,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:38,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:38,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:38,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:38,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:38,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:38,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:38,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:38,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:38,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:38,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:38,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:38,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:38,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:38,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:38,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:38,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:38,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:38,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:38,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:38,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:38,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:38,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:38,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:38,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:38,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:38,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:38,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:38,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:38,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:38,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:38,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:38,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:38,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:38,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:38,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:38,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:03:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:38,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:38,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:38,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:38,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:38,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:38,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:38,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:38,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:38,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:38,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:38,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:38,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:38,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:38,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:38,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:38,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:38,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:38,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:38,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:38,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:38,929 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 11:03:38,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101793641] [2020-09-21 11:03:38,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:38,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:03:38,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2213728] [2020-09-21 11:03:38,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:03:38,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:38,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:03:38,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:38,958 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 3 states. [2020-09-21 11:03:40,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:40,126 INFO L93 Difference]: Finished difference Result 251 states and 336 transitions. [2020-09-21 11:03:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:03:40,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:03:40,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:40,152 INFO L225 Difference]: With dead ends: 251 [2020-09-21 11:03:40,152 INFO L226 Difference]: Without dead ends: 137 [2020-09-21 11:03:40,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:40,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-09-21 11:03:40,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 105. [2020-09-21 11:03:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-21 11:03:40,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2020-09-21 11:03:40,244 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2020-09-21 11:03:40,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:40,244 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2020-09-21 11:03:40,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:03:40,245 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2020-09-21 11:03:40,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:03:40,249 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:40,249 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 11:03:40,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:03:40,250 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:40,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:40,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1214184321, now seen corresponding path program 1 times [2020-09-21 11:03:40,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:40,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119487478] [2020-09-21 11:03:40,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:40,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:40,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:40,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:40,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:40,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:03:40,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:40,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:03:40,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:40,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:40,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:03:40,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:03:40,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:40,774 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:40,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:40,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:40,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:40,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:40,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:40,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:40,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:40,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:40,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:40,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:40,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:40,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:40,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:40,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:40,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:40,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:40,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:40,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:40,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:40,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:40,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:40,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:40,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:40,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:40,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:40,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:40,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:40,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:40,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:40,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:40,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:40,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:40,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:40,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:40,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:40,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:40,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:40,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:40,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:40,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:40,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:40,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:40,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:40,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:40,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:40,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:40,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:40,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:40,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:40,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:40,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:40,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:40,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:40,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:40,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:40,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:40,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:40,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:40,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:40,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:40,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:40,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:40,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:40,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:40,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:40,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:40,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:40,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:40,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:40,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:40,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:40,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:40,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:40,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:40,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:40,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:40,932 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 11:03:40,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119487478] [2020-09-21 11:03:40,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:40,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:40,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397936153] [2020-09-21 11:03:40,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:40,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:40,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:40,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:40,939 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2020-09-21 11:03:41,473 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:42,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:42,312 INFO L93 Difference]: Finished difference Result 178 states and 219 transitions. [2020-09-21 11:03:42,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:42,313 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:03:42,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:42,317 INFO L225 Difference]: With dead ends: 178 [2020-09-21 11:03:42,317 INFO L226 Difference]: Without dead ends: 121 [2020-09-21 11:03:42,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:42,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-21 11:03:42,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-09-21 11:03:42,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-09-21 11:03:42,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2020-09-21 11:03:42,351 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2020-09-21 11:03:42,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:42,352 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2020-09-21 11:03:42,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:42,352 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2020-09-21 11:03:42,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:03:42,354 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:42,355 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 11:03:42,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:03:42,355 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:42,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:42,356 INFO L82 PathProgramCache]: Analyzing trace with hash -75048457, now seen corresponding path program 1 times [2020-09-21 11:03:42,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:42,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658671295] [2020-09-21 11:03:42,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:42,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:03:42,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:42,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:42,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:42,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:03:42,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:42,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-09-21 11:03:42,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:03:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:03:42,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,163 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:43,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:43,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 11:03:43,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:43,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:43,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:43,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:43,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:43,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:43,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:43,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:43,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:43,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:43,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:43,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:43,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:43,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:43,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:43,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:03:43,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:43,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:03:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:43,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:43,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:43,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:43,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:03:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:43,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:43,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:43,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:43,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:43,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:43,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:43,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:43,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:43,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:43,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:43,373 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 11:03:43,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658671295] [2020-09-21 11:03:43,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:43,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:43,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623387677] [2020-09-21 11:03:43,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:43,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:43,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:43,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:43,378 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 4 states. [2020-09-21 11:03:43,808 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:45,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:45,141 INFO L93 Difference]: Finished difference Result 275 states and 344 transitions. [2020-09-21 11:03:45,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:45,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:03:45,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:45,153 INFO L225 Difference]: With dead ends: 275 [2020-09-21 11:03:45,153 INFO L226 Difference]: Without dead ends: 203 [2020-09-21 11:03:45,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:45,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-09-21 11:03:45,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 162. [2020-09-21 11:03:45,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-21 11:03:45,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 195 transitions. [2020-09-21 11:03:45,230 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 195 transitions. Word has length 51 [2020-09-21 11:03:45,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:45,230 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 195 transitions. [2020-09-21 11:03:45,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 195 transitions. [2020-09-21 11:03:45,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:03:45,234 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:45,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:45,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:03:45,234 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:45,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:45,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1167362893, now seen corresponding path program 1 times [2020-09-21 11:03:45,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:45,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393700768] [2020-09-21 11:03:45,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:45,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:45,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:45,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:45,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:45,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:03:45,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:45,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-09-21 11:03:45,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:03:45,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,054 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:46,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:03:46,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:46,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:46,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:46,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:46,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:46,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:46,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:03:46,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:03:46,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:03:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:46,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:46,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:46,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:03:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:46,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:46,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:46,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:46,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:46,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:46,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:46,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:46,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:46,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:46,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:46,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:46,244 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 11:03:46,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393700768] [2020-09-21 11:03:46,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:46,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:03:46,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483993108] [2020-09-21 11:03:46,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:03:46,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:46,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:03:46,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:03:46,247 INFO L87 Difference]: Start difference. First operand 162 states and 195 transitions. Second operand 8 states. [2020-09-21 11:03:46,732 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:47,803 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:48,282 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:48,653 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:48,984 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:49,395 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:50,136 INFO L93 Difference]: Finished difference Result 524 states and 694 transitions. [2020-09-21 11:03:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:03:50,138 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:03:50,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:50,143 INFO L225 Difference]: With dead ends: 524 [2020-09-21 11:03:50,144 INFO L226 Difference]: Without dead ends: 386 [2020-09-21 11:03:50,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:03:50,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-09-21 11:03:50,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 285. [2020-09-21 11:03:50,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2020-09-21 11:03:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 348 transitions. [2020-09-21 11:03:50,236 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 348 transitions. Word has length 57 [2020-09-21 11:03:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:50,236 INFO L479 AbstractCegarLoop]: Abstraction has 285 states and 348 transitions. [2020-09-21 11:03:50,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:03:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 348 transitions. [2020-09-21 11:03:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:03:50,240 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:50,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:03:50,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:03:50,241 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:50,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:50,241 INFO L82 PathProgramCache]: Analyzing trace with hash 2126623889, now seen corresponding path program 1 times [2020-09-21 11:03:50,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:50,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591924232] [2020-09-21 11:03:50,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:50,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:50,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:50,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:50,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:50,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:03:50,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:50,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 393 [2020-09-21 11:03:50,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:03:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:03:50,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,017 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:51,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:03:51,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:51,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:51,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:51,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:51,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:03:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:51,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:03:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:03:51,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:51,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:03:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:51,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:51,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:03:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:51,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:51,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:51,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:51,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:51,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:51,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:51,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:51,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:51,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:51,224 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 11:03:51,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1591924232] [2020-09-21 11:03:51,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:51,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:03:51,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132352596] [2020-09-21 11:03:51,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:03:51,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:51,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:03:51,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:03:51,229 INFO L87 Difference]: Start difference. First operand 285 states and 348 transitions. Second operand 9 states. [2020-09-21 11:03:51,738 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:52,745 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:53,100 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:53,399 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:53,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:53,737 INFO L93 Difference]: Finished difference Result 522 states and 674 transitions. [2020-09-21 11:03:53,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:03:53,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-21 11:03:53,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:53,738 INFO L225 Difference]: With dead ends: 522 [2020-09-21 11:03:53,739 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:03:53,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:03:53,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:03:53,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:03:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:03:53,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:03:53,743 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 11:03:53,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:53,743 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:03:53,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:03:53,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:03:53,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:03:53,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:03:53,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:03:53,984 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:54,162 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:54,323 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:54,493 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:54,751 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:03:54,917 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:55,078 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:55,264 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:03:55,449 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:03:55,610 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:55,772 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:55,932 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:56,085 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:56,243 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:56,405 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:56,562 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:56,714 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:56,882 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:57,225 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:57,564 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:03:57,886 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 11:03:58,208 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:58,526 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 11:03:58,835 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-09-21 11:03:59,161 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:59,314 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:59,467 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:59,613 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:59,770 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:59,921 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:00,074 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:00,227 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:00,370 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:00,520 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:00,673 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:00,821 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:00,975 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:01,127 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:01,284 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:01,430 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:01,582 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:01,737 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:01,891 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:02,043 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:02,198 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:02,347 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:02,497 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:02,647 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:02,816 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:02,967 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:03,147 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:04:03,301 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:03,451 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:03,605 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:03,749 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:03,909 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,076 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 6 [2020-09-21 11:04:04,231 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,393 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,545 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:04,699 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:04,849 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:04,993 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:05,152 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:05,298 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:05,446 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:05,600 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:05,752 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:06,028 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:06,359 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:06,675 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:04:06,934 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:07,253 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-21 11:04:07,397 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:07,655 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:07,808 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:07,967 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:08,117 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:08,270 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:08,414 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:08,558 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:08,711 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:08,860 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:09,013 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:09,165 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:09,313 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:09,461 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:09,613 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:10,039 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:04:10,290 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:10,627 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:10,848 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:11,216 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:11,617 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:11,838 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:12,067 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 11:04:12,375 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:04:12,782 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 7 [2020-09-21 11:04:13,168 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 11:04:13,395 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 8 [2020-09-21 11:04:13,628 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:13,870 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:14,102 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:14,333 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:14,536 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:14,755 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:14,952 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:15,328 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-09-21 11:04:15,544 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:04:15,971 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-21 11:04:16,183 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:16,205 INFO L268 CegarLoopResult]: For program point L634(lines 611 635) no Hoare annotation was computed. [2020-09-21 11:04:16,205 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2020-09-21 11:04:16,205 INFO L268 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-09-21 11:04:16,206 INFO L268 CegarLoopResult]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2020-09-21 11:04:16,206 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2020-09-21 11:04:16,206 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-09-21 11:04:16,206 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2020-09-21 11:04:16,207 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2020-09-21 11:04:16,207 INFO L268 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-09-21 11:04:16,207 INFO L268 CegarLoopResult]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2020-09-21 11:04:16,207 INFO L268 CegarLoopResult]: For program point L695(lines 668 696) no Hoare annotation was computed. [2020-09-21 11:04:16,207 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2020-09-21 11:04:16,207 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-09-21 11:04:16,208 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-09-21 11:04:16,208 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2020-09-21 11:04:16,208 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2020-09-21 11:04:16,208 INFO L268 CegarLoopResult]: For program point L675(lines 675 679) no Hoare annotation was computed. [2020-09-21 11:04:16,208 INFO L268 CegarLoopResult]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2020-09-21 11:04:16,209 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2020-09-21 11:04:16,209 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2020-09-21 11:04:16,209 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2020-09-21 11:04:16,209 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2020-09-21 11:04:16,209 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 253 261) no Hoare annotation was computed. [2020-09-21 11:04:16,209 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:04:16,209 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 11:04:16,210 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:16,210 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:16,210 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:16,210 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:16,211 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:04:16,211 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:04:16,211 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:16,211 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:16,211 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:04:16,211 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:04:16,212 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 11:04:16,212 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:04:16,212 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 11:04:16,212 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:04:16,212 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:04:16,212 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 11:04:16,213 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 11:04:16,213 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:04:16,213 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 11:04:16,213 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 11:04:16,213 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:04:16,213 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 11:04:16,213 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 11:04:16,213 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:04:16,214 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 11:04:16,214 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 11:04:16,214 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 330 336) no Hoare annotation was computed. [2020-09-21 11:04:16,214 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 330 336) the Hoare annotation is: true [2020-09-21 11:04:16,214 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 452 466) no Hoare annotation was computed. [2020-09-21 11:04:16,214 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:16,214 INFO L268 CegarLoopResult]: For program point L456(lines 456 462) no Hoare annotation was computed. [2020-09-21 11:04:16,215 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 452 466) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:04:16,215 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 452 466) no Hoare annotation was computed. [2020-09-21 11:04:16,215 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 363 370) no Hoare annotation was computed. [2020-09-21 11:04:16,215 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 363 370) no Hoare annotation was computed. [2020-09-21 11:04:16,215 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 363 370) no Hoare annotation was computed. [2020-09-21 11:04:16,215 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 407 415) no Hoare annotation was computed. [2020-09-21 11:04:16,216 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 407 415) the Hoare annotation is: true [2020-09-21 11:04:16,216 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 407 415) no Hoare annotation was computed. [2020-09-21 11:04:16,216 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 11:04:16,216 INFO L268 CegarLoopResult]: For program point L446-1(line 446) no Hoare annotation was computed. [2020-09-21 11:04:16,216 INFO L268 CegarLoopResult]: For program point L435(lines 435 443) no Hoare annotation was computed. [2020-09-21 11:04:16,216 INFO L268 CegarLoopResult]: For program point L435-2(lines 435 443) no Hoare annotation was computed. [2020-09-21 11:04:16,216 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 416 451) no Hoare annotation was computed. [2020-09-21 11:04:16,217 INFO L268 CegarLoopResult]: For program point L423(lines 423 431) no Hoare annotation was computed. [2020-09-21 11:04:16,217 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 416 451) no Hoare annotation was computed. [2020-09-21 11:04:16,217 INFO L268 CegarLoopResult]: For program point L423-2(lines 423 431) no Hoare annotation was computed. [2020-09-21 11:04:16,217 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 416 451) no Hoare annotation was computed. [2020-09-21 11:04:16,217 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2020-09-21 11:04:16,217 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2020-09-21 11:04:16,218 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2020-09-21 11:04:16,218 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2020-09-21 11:04:16,218 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2020-09-21 11:04:16,218 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2020-09-21 11:04:16,218 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2020-09-21 11:04:16,218 INFO L268 CegarLoopResult]: For program point L874(lines 874 881) no Hoare annotation was computed. [2020-09-21 11:04:16,218 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2020-09-21 11:04:16,218 INFO L268 CegarLoopResult]: For program point L868(lines 868 888) no Hoare annotation was computed. [2020-09-21 11:04:16,219 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2020-09-21 11:04:16,219 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:16,219 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:04:16,219 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:04:16,219 INFO L271 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: true [2020-09-21 11:04:16,219 INFO L268 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-09-21 11:04:16,219 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 396 406) the Hoare annotation is: true [2020-09-21 11:04:16,220 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 396 406) no Hoare annotation was computed. [2020-09-21 11:04:16,220 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 396 406) no Hoare annotation was computed. [2020-09-21 11:04:16,220 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 388 395) the Hoare annotation is: true [2020-09-21 11:04:16,220 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 388 395) no Hoare annotation was computed. [2020-09-21 11:04:16,220 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 388 395) no Hoare annotation was computed. [2020-09-21 11:04:16,220 INFO L264 CegarLoopResult]: At program point L352(line 352) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:16,220 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:16,220 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-09-21 11:04:16,220 INFO L264 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:16,221 INFO L268 CegarLoopResult]: For program point L344-1(line 344) no Hoare annotation was computed. [2020-09-21 11:04:16,221 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 338 362) no Hoare annotation was computed. [2020-09-21 11:04:16,221 INFO L268 CegarLoopResult]: For program point L342(lines 342 359) no Hoare annotation was computed. [2020-09-21 11:04:16,221 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 338 362) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:16,221 INFO L264 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:16,221 INFO L268 CegarLoopResult]: For program point L357-1(lines 338 362) no Hoare annotation was computed. [2020-09-21 11:04:16,221 INFO L264 CegarLoopResult]: At program point L514-1(lines 508 521) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:16,221 INFO L264 CegarLoopResult]: At program point testENTRY(lines 468 533) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:16,223 INFO L268 CegarLoopResult]: For program point L479(lines 478 525) no Hoare annotation was computed. [2020-09-21 11:04:16,223 INFO L268 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-09-21 11:04:16,224 INFO L268 CegarLoopResult]: For program point testFINAL(lines 468 533) no Hoare annotation was computed. [2020-09-21 11:04:16,224 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:16,224 INFO L268 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2020-09-21 11:04:16,224 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2020-09-21 11:04:16,224 INFO L264 CegarLoopResult]: At program point L523(lines 478 525) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:16,224 INFO L264 CegarLoopResult]: At program point L490(line 490) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:16,225 INFO L268 CegarLoopResult]: For program point L488(lines 488 494) no Hoare annotation was computed. [2020-09-21 11:04:16,225 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2020-09-21 11:04:16,225 INFO L268 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-09-21 11:04:16,225 INFO L264 CegarLoopResult]: At program point L526(lines 477 527) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:16,225 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:04:16,225 INFO L268 CegarLoopResult]: For program point testEXIT(lines 468 533) no Hoare annotation was computed. [2020-09-21 11:04:16,225 INFO L268 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2020-09-21 11:04:16,226 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-09-21 11:04:16,226 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2020-09-21 11:04:16,226 INFO L268 CegarLoopResult]: For program point L822(lines 822 842) no Hoare annotation was computed. [2020-09-21 11:04:16,226 INFO L268 CegarLoopResult]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2020-09-21 11:04:16,226 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2020-09-21 11:04:16,226 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2020-09-21 11:04:16,226 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-09-21 11:04:16,226 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-09-21 11:04:16,227 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2020-09-21 11:04:16,227 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2020-09-21 11:04:16,227 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2020-09-21 11:04:16,227 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 229 238) no Hoare annotation was computed. [2020-09-21 11:04:16,227 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 229 238) no Hoare annotation was computed. [2020-09-21 11:04:16,227 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 229 238) no Hoare annotation was computed. [2020-09-21 11:04:16,227 INFO L268 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-09-21 11:04:16,227 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2020-09-21 11:04:16,227 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-09-21 11:04:16,228 INFO L268 CegarLoopResult]: For program point L793(lines 793 804) no Hoare annotation was computed. [2020-09-21 11:04:16,228 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-09-21 11:04:16,228 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2020-09-21 11:04:16,228 INFO L268 CegarLoopResult]: For program point L775(lines 753 776) no Hoare annotation was computed. [2020-09-21 11:04:16,228 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2020-09-21 11:04:16,228 INFO L268 CegarLoopResult]: For program point L734(lines 734 750) no Hoare annotation was computed. [2020-09-21 11:04:16,228 INFO L268 CegarLoopResult]: For program point L794(lines 794 801) no Hoare annotation was computed. [2020-09-21 11:04:16,228 INFO L268 CegarLoopResult]: For program point L755(lines 754 774) no Hoare annotation was computed. [2020-09-21 11:04:16,228 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-09-21 11:04:16,228 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2020-09-21 11:04:16,228 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-09-21 11:04:16,229 INFO L268 CegarLoopResult]: For program point L751(lines 751 792) no Hoare annotation was computed. [2020-09-21 11:04:16,229 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-09-21 11:04:16,229 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:16,229 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:04:16,229 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:16,229 INFO L268 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-09-21 11:04:16,229 INFO L268 CegarLoopResult]: For program point L382-1(lines 371 387) no Hoare annotation was computed. [2020-09-21 11:04:16,229 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 371 387) no Hoare annotation was computed. [2020-09-21 11:04:16,229 INFO L268 CegarLoopResult]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-09-21 11:04:16,229 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 371 387) no Hoare annotation was computed. [2020-09-21 11:04:16,230 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-09-21 11:04:16,230 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-09-21 11:04:16,230 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 218 226) no Hoare annotation was computed. [2020-09-21 11:04:16,230 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2020-09-21 11:04:16,230 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2020-09-21 11:04:16,230 INFO L268 CegarLoopResult]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2020-09-21 11:04:16,230 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:04:16,230 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2020-09-21 11:04:16,230 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:16,230 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:04:16,230 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:16,230 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:16,231 INFO L264 CegarLoopResult]: At program point L317(lines 317 323) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:16,231 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:04:16,231 INFO L268 CegarLoopResult]: For program point L310(lines 309 328) no Hoare annotation was computed. [2020-09-21 11:04:16,231 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 306 329) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:16,231 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 306 329) no Hoare annotation was computed. [2020-09-21 11:04:16,231 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 306 329) no Hoare annotation was computed. [2020-09-21 11:04:16,231 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 11:04:16,231 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 11:04:16,232 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 11:04:16,232 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 11:04:16,232 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 11:04:16,232 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 11:04:16,232 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 11:04:16,232 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 11:04:16,232 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 11:04:16,232 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 11:04:16,232 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2020-09-21 11:04:16,233 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2020-09-21 11:04:16,233 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2020-09-21 11:04:16,233 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2020-09-21 11:04:16,233 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2020-09-21 11:04:16,233 INFO L268 CegarLoopResult]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2020-09-21 11:04:16,233 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 11:04:16,233 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 11:04:16,233 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:16,233 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:04:16,233 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:04:16,233 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:16,233 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2020-09-21 11:04:16,234 INFO L268 CegarLoopResult]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2020-09-21 11:04:16,234 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:04:16,234 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2020-09-21 11:04:16,234 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-09-21 11:04:16,234 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2020-09-21 11:04:16,234 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2020-09-21 11:04:16,234 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 265 289) the Hoare annotation is: true [2020-09-21 11:04:16,234 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 265 289) no Hoare annotation was computed. [2020-09-21 11:04:16,235 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:04:16,235 INFO L268 CegarLoopResult]: For program point L277(lines 277 283) no Hoare annotation was computed. [2020-09-21 11:04:16,235 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-09-21 11:04:16,235 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-09-21 11:04:16,235 INFO L268 CegarLoopResult]: For program point L273(lines 273 286) no Hoare annotation was computed. [2020-09-21 11:04:16,235 INFO L268 CegarLoopResult]: For program point L273-1(lines 265 289) no Hoare annotation was computed. [2020-09-21 11:04:16,235 INFO L271 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: true [2020-09-21 11:04:16,235 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-09-21 11:04:16,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:04:16 BoogieIcfgContainer [2020-09-21 11:04:16,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:04:16,257 INFO L168 Benchmark]: Toolchain (without parser) took 40350.58 ms. Allocated memory was 136.8 MB in the beginning and 592.4 MB in the end (delta: 455.6 MB). Free memory was 99.5 MB in the beginning and 444.3 MB in the end (delta: -344.8 MB). Peak memory consumption was 483.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:16,258 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:04:16,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.40 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 98.8 MB in the beginning and 165.7 MB in the end (delta: -66.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:16,259 INFO L168 Benchmark]: Boogie Preprocessor took 94.49 ms. Allocated memory is still 198.7 MB. Free memory was 165.7 MB in the beginning and 161.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:16,260 INFO L168 Benchmark]: RCFGBuilder took 1105.78 ms. Allocated memory was 198.7 MB in the beginning and 227.5 MB in the end (delta: 28.8 MB). Free memory was 161.5 MB in the beginning and 194.0 MB in the end (delta: -32.5 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:16,261 INFO L168 Benchmark]: TraceAbstraction took 38409.38 ms. Allocated memory was 227.5 MB in the beginning and 592.4 MB in the end (delta: 364.9 MB). Free memory was 194.0 MB in the beginning and 444.3 MB in the end (delta: -250.4 MB). Peak memory consumption was 487.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:16,264 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.40 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 98.8 MB in the beginning and 165.7 MB in the end (delta: -66.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.49 ms. Allocated memory is still 198.7 MB. Free memory was 165.7 MB in the beginning and 161.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1105.78 ms. Allocated memory was 198.7 MB in the beginning and 227.5 MB in the end (delta: 28.8 MB). Free memory was 161.5 MB in the beginning and 194.0 MB in the end (delta: -32.5 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38409.38 ms. Allocated memory was 227.5 MB in the beginning and 592.4 MB in the end (delta: 364.9 MB). Free memory was 194.0 MB in the beginning and 444.3 MB in the end (delta: -250.4 MB). Peak memory consumption was 487.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: 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: 477]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 445 SDtfs, 622 SDslu, 295 SDs, 0 SdLazy, 1381 SolverSat, 416 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 199 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 386 PreInvPairs, 437 NumberOfFragments, 648 HoareAnnotationTreeSize, 386 FomulaSimplifications, 45014 FormulaSimplificationTreeSizeReduction, 15.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 12728 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 72784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...