/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:05:42,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:05:42,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:05:42,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:05:42,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:05:42,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:05:42,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:05:42,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:05:42,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:05:42,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:05:42,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:05:42,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:05:42,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:05:42,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:05:42,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:05:42,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:05:42,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:05:42,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:05:42,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:05:42,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:05:42,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:05:42,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:05:42,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:05:42,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:05:42,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:05:42,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:05:42,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:05:42,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:05:42,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:05:42,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:05:42,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:05:42,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:05:42,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:05:42,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:05:42,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:05:42,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:05:42,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:05:42,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:05:42,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:05:42,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:05:42,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:05:42,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:05:42,795 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:05:42,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:05:42,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:05:42,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:05:42,798 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:05:42,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:05:42,799 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:05:42,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:05:42,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:05:42,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:05:42,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:05:42,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:05:42,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:05:42,800 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:05:42,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:05:42,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:05:42,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:05:42,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:05:42,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:05:42,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:05:42,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:05:42,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:42,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:05:42,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:05:42,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:05:42,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:05:42,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:05:42,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:05:42,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:05:42,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:05:43,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:05:43,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:05:43,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:05:43,295 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:05:43,296 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:05:43,297 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-09-21 12:05:43,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d69f25828/e28d928925b648fbb64925b029728298/FLAG3594309f7 [2020-09-21 12:05:44,034 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:05:44,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-09-21 12:05:44,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d69f25828/e28d928925b648fbb64925b029728298/FLAG3594309f7 [2020-09-21 12:05:44,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d69f25828/e28d928925b648fbb64925b029728298 [2020-09-21 12:05:44,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:05:44,262 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:05:44,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:44,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:05:44,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:05:44,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44, skipping insertion in model container [2020-09-21 12:05:44,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:05:44,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:05:44,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:44,832 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:05:44,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:05:44,943 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:05:44,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44 WrapperNode [2020-09-21 12:05:44,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:05:44,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:05:44,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:05:44,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:05:44,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:44,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:45,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:45,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:45,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... [2020-09-21 12:05:45,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:05:45,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:05:45,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:05:45,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:05:45,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:05:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:05:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:05:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:05:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:05:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:05:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:05:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:05:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:05:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:05:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:05:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:05:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:05:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:05:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:05:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:05:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:05:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:05:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:05:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:05:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:05:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:05:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:05:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:05:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:05:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 12:05:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:05:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:05:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:05:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:05:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:05:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:05:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:05:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:05:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:05:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:05:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:05:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:05:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:05:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:05:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:05:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:05:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:05:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:05:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:05:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:05:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 12:05:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:05:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:05:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:05:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:05:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:05:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:05:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:05:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:05:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:05:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:05:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:05:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:05:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:05:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:05:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:05:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:05:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:05:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:05:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:05:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:05:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:05:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:05:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:05:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:05:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:05:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:05:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:05:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:05:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:05:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:05:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:05:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:05:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:05:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:05:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:05:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 12:05:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:05:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:05:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:05:46,168 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:05:46,168 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:05:46,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:46 BoogieIcfgContainer [2020-09-21 12:05:46,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:05:46,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:05:46,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:05:46,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:05:46,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:05:44" (1/3) ... [2020-09-21 12:05:46,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b04f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:46, skipping insertion in model container [2020-09-21 12:05:46,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:05:44" (2/3) ... [2020-09-21 12:05:46,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b04f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:05:46, skipping insertion in model container [2020-09-21 12:05:46,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:05:46" (3/3) ... [2020-09-21 12:05:46,184 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2020-09-21 12:05:46,195 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:05:46,206 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:05:46,228 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:05:46,254 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:05:46,255 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:05:46,255 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:05:46,255 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:05:46,255 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:05:46,255 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:05:46,255 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:05:46,255 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:05:46,279 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-09-21 12:05:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:05:46,290 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:46,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:46,292 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:46,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:46,300 INFO L82 PathProgramCache]: Analyzing trace with hash 841763169, now seen corresponding path program 1 times [2020-09-21 12:05:46,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:46,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812507443] [2020-09-21 12:05:46,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:46,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:46,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:47,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:47,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:05:47,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:47,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-09-21 12:05:47,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:05:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:47,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:05:48,097 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:48,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:48,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 12:05:48,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:48,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:48,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:48,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:48,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:48,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:48,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:48,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:48,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:48,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:48,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:48,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:48,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:48,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:48,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:48,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:48,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:05:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:48,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:48,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:48,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:48,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:05:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:48,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:48,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:48,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:48,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:48,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:48,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:48,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:48,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812507443] [2020-09-21 12:05:48,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:48,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:05:48,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888621334] [2020-09-21 12:05:48,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:05:48,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:48,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:05:48,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:05:48,280 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 3 states. [2020-09-21 12:05:49,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:49,301 INFO L93 Difference]: Finished difference Result 260 states and 346 transitions. [2020-09-21 12:05:49,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:05:49,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:05:49,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:49,320 INFO L225 Difference]: With dead ends: 260 [2020-09-21 12:05:49,320 INFO L226 Difference]: Without dead ends: 142 [2020-09-21 12:05:49,326 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 12:05:49,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-09-21 12:05:49,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 109. [2020-09-21 12:05:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-21 12:05:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2020-09-21 12:05:49,424 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 46 [2020-09-21 12:05:49,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:49,424 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2020-09-21 12:05:49,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:05:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2020-09-21 12:05:49,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:05:49,428 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:49,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:49,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:05:49,429 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:49,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:49,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1716807413, now seen corresponding path program 1 times [2020-09-21 12:05:49,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:49,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043192297] [2020-09-21 12:05:49,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:49,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:49,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:50,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:50,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:50,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:05:50,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:50,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1114 [2020-09-21 12:05:50,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:05:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:05:50,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:50,893 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:50,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:50,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:50,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:50,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:50,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:50,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 12:05:50,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:50,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:50,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:50,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:50,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:50,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:50,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:50,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:50,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:50,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:50,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:50,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:50,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:50,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:50,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:50,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:50,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:50,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:50,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:50,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:50,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:50,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:50,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:50,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:50,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:50,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:50,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:50,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:50,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:50,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:50,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:50,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:51,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:51,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:51,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:51,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:51,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:51,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:51,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:51,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:51,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:51,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:51,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:51,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:51,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:05:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:51,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:51,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:51,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:51,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:51,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:51,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:51,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:51,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:51,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:51,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:51,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:05:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:51,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:51,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:51,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:51,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:51,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:51,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:51,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:51,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043192297] [2020-09-21 12:05:51,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:51,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:51,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608125242] [2020-09-21 12:05:51,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:51,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:51,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:51,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:51,032 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 4 states. [2020-09-21 12:05:51,586 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:05:52,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:52,539 INFO L93 Difference]: Finished difference Result 183 states and 225 transitions. [2020-09-21 12:05:52,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:52,540 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:05:52,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:52,543 INFO L225 Difference]: With dead ends: 183 [2020-09-21 12:05:52,544 INFO L226 Difference]: Without dead ends: 126 [2020-09-21 12:05:52,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:52,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-21 12:05:52,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 100. [2020-09-21 12:05:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 12:05:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2020-09-21 12:05:52,602 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 47 [2020-09-21 12:05:52,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:52,602 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2020-09-21 12:05:52,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2020-09-21 12:05:52,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:05:52,605 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:52,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:05:52,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:05:52,605 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:52,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:52,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1646650364, now seen corresponding path program 1 times [2020-09-21 12:05:52,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:52,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291833562] [2020-09-21 12:05:52,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:52,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:53,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:53,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:53,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:05:53,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:05:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:05:53,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:05:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:05:53,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:53,946 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:53,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:53,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:54,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:54,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:54,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:54,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-21 12:05:54,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:05:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:54,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:54,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:54,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:54,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:54,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:54,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:54,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:54,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:54,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:54,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:54,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:54,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:54,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:54,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:54,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:54,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:54,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:54,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:54,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:54,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:54,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:54,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:54,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:05:54,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:54,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:54,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:54,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:54,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:54,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:54,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:54,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:54,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:54,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:54,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:54,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:05:54,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:54,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:05:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:54,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:54,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:54,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:54,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:54,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:54,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:54,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:54,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:54,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:05:54,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:05:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:54,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:54,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:54,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:54,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:54,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:54,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:54,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:54,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:05:54,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:54,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:54,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291833562] [2020-09-21 12:05:54,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:54,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:05:54,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331153626] [2020-09-21 12:05:54,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:05:54,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:54,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:05:54,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:05:54,172 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 4 states. [2020-09-21 12:05:54,526 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:55,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:55,830 INFO L93 Difference]: Finished difference Result 288 states and 358 transitions. [2020-09-21 12:05:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:05:55,831 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 12:05:55,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:55,834 INFO L225 Difference]: With dead ends: 288 [2020-09-21 12:05:55,834 INFO L226 Difference]: Without dead ends: 212 [2020-09-21 12:05:55,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:05:55,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-09-21 12:05:55,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 166. [2020-09-21 12:05:55,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-09-21 12:05:55,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 199 transitions. [2020-09-21 12:05:55,898 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 199 transitions. Word has length 52 [2020-09-21 12:05:55,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:55,898 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 199 transitions. [2020-09-21 12:05:55,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:05:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 199 transitions. [2020-09-21 12:05:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:05:55,900 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:05:55,901 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 12:05:55,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:05:55,901 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:05:55,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:05:55,901 INFO L82 PathProgramCache]: Analyzing trace with hash 385460171, now seen corresponding path program 1 times [2020-09-21 12:05:55,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:05:55,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [477954365] [2020-09-21 12:05:55,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:05:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:55,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:56,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:56,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:56,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:56,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:05:56,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:05:56,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:05:56,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:56,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:05:56,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-21 12:05:56,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:05:56,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,308 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:05:57,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:05:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:57,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 12:05:57,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:57,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:05:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:57,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:57,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:57,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:57,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:05:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:57,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:05:57,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:57,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:05:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:57,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:57,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:57,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:57,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:05:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:05:57,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:05:57,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:57,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:05:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:05:57,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:05:57,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:05:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:05:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:05:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:57,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:05:57,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:05:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:57,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:05:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:05:57,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:05:57,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:05:57,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:05:57,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:05:57,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:05:57,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:05:57,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:05:57,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:05:57,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:05:57,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:05:57,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:05:57,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [477954365] [2020-09-21 12:05:57,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:05:57,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:05:57,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973686824] [2020-09-21 12:05:57,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:05:57,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:05:57,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:05:57,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:05:57,518 INFO L87 Difference]: Start difference. First operand 166 states and 199 transitions. Second operand 8 states. [2020-09-21 12:05:57,980 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:05:58,848 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:05:59,184 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:05:59,509 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:05:59,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:05:59,715 INFO L93 Difference]: Finished difference Result 305 states and 392 transitions. [2020-09-21 12:05:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:05:59,715 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 12:05:59,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:05:59,716 INFO L225 Difference]: With dead ends: 305 [2020-09-21 12:05:59,717 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:05:59,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:05:59,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:05:59,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:05:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:05:59,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:05:59,721 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-09-21 12:05:59,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:05:59,721 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:05:59,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:05:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:05:59,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:05:59,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:05:59,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:05:59,924 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:00,085 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:00,200 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-21 12:06:00,357 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:00,685 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:01,007 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:01,328 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:01,477 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:01,627 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:01,778 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:01,930 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:02,189 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:06:02,347 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:02,450 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-21 12:06:02,600 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:02,759 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:03,056 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:06:03,345 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:06:03,635 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:06:03,775 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:03,925 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:04,074 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:04,224 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:04,370 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:04,522 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:04,665 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:04,814 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:04,964 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:05,107 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:05,255 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:05,405 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:05,571 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:05,720 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:05,869 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:06,016 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:06,164 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:06,312 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:06,460 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:06,873 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:07,183 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:07,495 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:06:07,638 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:07,789 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:07,944 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:08,087 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:08,242 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:08,494 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:08,641 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:08,789 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:08,934 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:09,183 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:09,331 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:09,484 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:09,637 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:09,785 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:09,934 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:10,081 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:10,229 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:06:10,375 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:06:10,779 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-21 12:06:11,000 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:11,373 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 12:06:11,577 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:11,824 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:12,035 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:12,227 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-21 12:06:12,481 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:06:12,901 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 12:06:13,108 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:13,486 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:06:13,890 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:06:14,103 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:14,316 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:14,710 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 12:06:14,876 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:15,073 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:15,285 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:15,497 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:15,876 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 7 [2020-09-21 12:06:16,094 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:16,338 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:06:16,533 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:06:16,920 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 12:06:16,926 INFO L268 CegarLoopResult]: For program point L383(lines 383 387) no Hoare annotation was computed. [2020-09-21 12:06:16,926 INFO L268 CegarLoopResult]: For program point L383-1(lines 383 387) no Hoare annotation was computed. [2020-09-21 12:06:16,927 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-09-21 12:06:16,927 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 398) no Hoare annotation was computed. [2020-09-21 12:06:16,927 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 352 407) no Hoare annotation was computed. [2020-09-21 12:06:16,927 INFO L268 CegarLoopResult]: For program point L399(lines 376 400) no Hoare annotation was computed. [2020-09-21 12:06:16,927 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 352 407) no Hoare annotation was computed. [2020-09-21 12:06:16,927 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 352 407) no Hoare annotation was computed. [2020-09-21 12:06:16,927 INFO L268 CegarLoopResult]: For program point L440(lines 440 444) no Hoare annotation was computed. [2020-09-21 12:06:16,928 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 444) no Hoare annotation was computed. [2020-09-21 12:06:16,928 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 408 467) no Hoare annotation was computed. [2020-09-21 12:06:16,928 INFO L268 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-09-21 12:06:16,928 INFO L268 CegarLoopResult]: For program point L434-2(lines 434 459) no Hoare annotation was computed. [2020-09-21 12:06:16,928 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 408 467) no Hoare annotation was computed. [2020-09-21 12:06:16,928 INFO L268 CegarLoopResult]: For program point L460(lines 433 461) no Hoare annotation was computed. [2020-09-21 12:06:16,928 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 408 467) no Hoare annotation was computed. [2020-09-21 12:06:16,928 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-09-21 12:06:16,928 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-09-21 12:06:16,929 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 175 181) the Hoare annotation is: true [2020-09-21 12:06:16,929 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 175 181) no Hoare annotation was computed. [2020-09-21 12:06:16,929 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 182 190) no Hoare annotation was computed. [2020-09-21 12:06:16,929 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 182 190) the Hoare annotation is: true [2020-09-21 12:06:16,929 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 182 190) no Hoare annotation was computed. [2020-09-21 12:06:16,929 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 267 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,929 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 267 289) no Hoare annotation was computed. [2020-09-21 12:06:16,930 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,930 INFO L264 CegarLoopResult]: At program point L279-1(line 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,930 INFO L268 CegarLoopResult]: For program point L277(lines 277 284) no Hoare annotation was computed. [2020-09-21 12:06:16,930 INFO L268 CegarLoopResult]: For program point L277-1(lines 277 284) no Hoare annotation was computed. [2020-09-21 12:06:16,930 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 12:06:16,931 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,931 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,931 INFO L264 CegarLoopResult]: At program point L273-1(line 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,931 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 267 289) no Hoare annotation was computed. [2020-09-21 12:06:16,931 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2020-09-21 12:06:16,931 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2020-09-21 12:06:16,932 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2020-09-21 12:06:16,932 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-09-21 12:06:16,932 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-09-21 12:06:16,932 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-09-21 12:06:16,932 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-09-21 12:06:16,932 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-09-21 12:06:16,932 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-09-21 12:06:16,933 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-09-21 12:06:16,933 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-09-21 12:06:16,933 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-21 12:06:16,933 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-09-21 12:06:16,933 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-09-21 12:06:16,933 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-09-21 12:06:16,933 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-21 12:06:16,933 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-09-21 12:06:16,934 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 697 703) no Hoare annotation was computed. [2020-09-21 12:06:16,934 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 697 703) the Hoare annotation is: true [2020-09-21 12:06:16,934 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 819 833) no Hoare annotation was computed. [2020-09-21 12:06:16,934 INFO L264 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:16,934 INFO L268 CegarLoopResult]: For program point L823(lines 823 829) no Hoare annotation was computed. [2020-09-21 12:06:16,934 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 819 833) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:06:16,934 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 819 833) no Hoare annotation was computed. [2020-09-21 12:06:16,934 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 730 737) no Hoare annotation was computed. [2020-09-21 12:06:16,934 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 730 737) no Hoare annotation was computed. [2020-09-21 12:06:16,934 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 730 737) no Hoare annotation was computed. [2020-09-21 12:06:16,935 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2020-09-21 12:06:16,935 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2020-09-21 12:06:16,935 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2020-09-21 12:06:16,935 INFO L268 CegarLoopResult]: For program point L802-2(lines 802 810) no Hoare annotation was computed. [2020-09-21 12:06:16,935 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-09-21 12:06:16,935 INFO L268 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-09-21 12:06:16,935 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 783 818) no Hoare annotation was computed. [2020-09-21 12:06:16,935 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-09-21 12:06:16,935 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-09-21 12:06:16,935 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 783 818) no Hoare annotation was computed. [2020-09-21 12:06:16,935 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 783 818) no Hoare annotation was computed. [2020-09-21 12:06:16,936 INFO L268 CegarLoopResult]: For program point L802(lines 802 810) no Hoare annotation was computed. [2020-09-21 12:06:16,936 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 168 174) no Hoare annotation was computed. [2020-09-21 12:06:16,936 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 168 174) the Hoare annotation is: true [2020-09-21 12:06:16,936 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 306 351) no Hoare annotation was computed. [2020-09-21 12:06:16,936 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 306 351) no Hoare annotation was computed. [2020-09-21 12:06:16,936 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 306 351) no Hoare annotation was computed. [2020-09-21 12:06:16,936 INFO L268 CegarLoopResult]: For program point L639(lines 639 646) no Hoare annotation was computed. [2020-09-21 12:06:16,936 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 619 664) no Hoare annotation was computed. [2020-09-21 12:06:16,936 INFO L268 CegarLoopResult]: For program point L633(lines 633 653) no Hoare annotation was computed. [2020-09-21 12:06:16,936 INFO L268 CegarLoopResult]: For program point L633-1(lines 633 653) no Hoare annotation was computed. [2020-09-21 12:06:16,936 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 619 664) no Hoare annotation was computed. [2020-09-21 12:06:16,937 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 619 664) no Hoare annotation was computed. [2020-09-21 12:06:16,937 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 266) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,937 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 266) no Hoare annotation was computed. [2020-09-21 12:06:16,937 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 266) no Hoare annotation was computed. [2020-09-21 12:06:16,937 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-09-21 12:06:16,937 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 763 773) the Hoare annotation is: true [2020-09-21 12:06:16,937 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-09-21 12:06:16,937 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2020-09-21 12:06:16,937 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2020-09-21 12:06:16,937 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 755 762) the Hoare annotation is: true [2020-09-21 12:06:16,937 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2020-09-21 12:06:16,938 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2020-09-21 12:06:16,938 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 705 729) no Hoare annotation was computed. [2020-09-21 12:06:16,938 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,938 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 705 729) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,938 INFO L268 CegarLoopResult]: For program point L724-1(lines 705 729) no Hoare annotation was computed. [2020-09-21 12:06:16,938 INFO L264 CegarLoopResult]: At program point L719(line 719) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:16,938 INFO L264 CegarLoopResult]: At program point L715(line 715) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:16,938 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-09-21 12:06:16,939 INFO L264 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:16,939 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-09-21 12:06:16,939 INFO L268 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2020-09-21 12:06:16,939 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:16,939 INFO L264 CegarLoopResult]: At program point testENTRY(lines 843 910) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:06:16,939 INFO L268 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2020-09-21 12:06:16,939 INFO L268 CegarLoopResult]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2020-09-21 12:06:16,939 INFO L268 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2020-09-21 12:06:16,939 INFO L268 CegarLoopResult]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2020-09-21 12:06:16,939 INFO L264 CegarLoopResult]: At program point L903(lines 852 904) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,940 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:16,940 INFO L268 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-09-21 12:06:16,940 INFO L264 CegarLoopResult]: At program point L891-1(lines 883 898) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:16,940 INFO L268 CegarLoopResult]: For program point L854(lines 853 902) no Hoare annotation was computed. [2020-09-21 12:06:16,940 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:16,940 INFO L268 CegarLoopResult]: For program point L883(lines 883 898) no Hoare annotation was computed. [2020-09-21 12:06:16,940 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:16,940 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-09-21 12:06:16,940 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2020-09-21 12:06:16,940 INFO L264 CegarLoopResult]: At program point L900(lines 853 902) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 573 618) no Hoare annotation was computed. [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 573 618) no Hoare annotation was computed. [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point L593(lines 593 600) no Hoare annotation was computed. [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 573 618) no Hoare annotation was computed. [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point L587(lines 587 607) no Hoare annotation was computed. [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 607) no Hoare annotation was computed. [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:06:16,941 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-09-21 12:06:16,942 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 158 167) no Hoare annotation was computed. [2020-09-21 12:06:16,942 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 158 167) no Hoare annotation was computed. [2020-09-21 12:06:16,942 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 158 167) no Hoare annotation was computed. [2020-09-21 12:06:16,942 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 470 572) no Hoare annotation was computed. [2020-09-21 12:06:16,942 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 12:06:16,942 INFO L268 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2020-09-21 12:06:16,942 INFO L268 CegarLoopResult]: For program point L494(lines 494 498) no Hoare annotation was computed. [2020-09-21 12:06:16,942 INFO L268 CegarLoopResult]: For program point L558(lines 558 569) no Hoare annotation was computed. [2020-09-21 12:06:16,942 INFO L268 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-09-21 12:06:16,942 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 470 572) no Hoare annotation was computed. [2020-09-21 12:06:16,942 INFO L268 CegarLoopResult]: For program point L519-2(lines 519 539) no Hoare annotation was computed. [2020-09-21 12:06:16,943 INFO L268 CegarLoopResult]: For program point L540(lines 518 541) no Hoare annotation was computed. [2020-09-21 12:06:16,943 INFO L268 CegarLoopResult]: For program point L499(lines 499 515) no Hoare annotation was computed. [2020-09-21 12:06:16,943 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 470 572) no Hoare annotation was computed. [2020-09-21 12:06:16,943 INFO L268 CegarLoopResult]: For program point L559(lines 559 566) no Hoare annotation was computed. [2020-09-21 12:06:16,943 INFO L268 CegarLoopResult]: For program point L520(lines 519 539) no Hoare annotation was computed. [2020-09-21 12:06:16,943 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 12:06:16,943 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-09-21 12:06:16,943 INFO L268 CegarLoopResult]: For program point L516(lines 516 557) no Hoare annotation was computed. [2020-09-21 12:06:16,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,944 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)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 12:06:16,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,944 INFO L268 CegarLoopResult]: For program point L749(line 749) no Hoare annotation was computed. [2020-09-21 12:06:16,945 INFO L268 CegarLoopResult]: For program point L749-1(lines 738 754) no Hoare annotation was computed. [2020-09-21 12:06:16,945 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 738 754) no Hoare annotation was computed. [2020-09-21 12:06:16,945 INFO L268 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-09-21 12:06:16,945 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 738 754) no Hoare annotation was computed. [2020-09-21 12:06:16,945 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-09-21 12:06:16,945 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-09-21 12:06:16,945 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:06:16,945 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:06:16,946 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:06:16,946 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:06:16,946 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-09-21 12:06:16,946 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-09-21 12:06:16,946 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,946 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,946 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,946 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-09-21 12:06:16,947 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:06:16,947 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:06:16,947 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 673 696) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,947 INFO L264 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,947 INFO L264 CegarLoopResult]: At program point L684(lines 684 690) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:06:16,947 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 673 696) no Hoare annotation was computed. [2020-09-21 12:06:16,947 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:06:16,948 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 673 696) no Hoare annotation was computed. [2020-09-21 12:06:16,948 INFO L268 CegarLoopResult]: For program point L677(lines 676 695) no Hoare annotation was computed. [2020-09-21 12:06:16,948 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2020-09-21 12:06:16,948 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2020-09-21 12:06:16,948 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true [2020-09-21 12:06:16,948 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-09-21 12:06:16,948 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-09-21 12:06:16,948 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2020-09-21 12:06:16,949 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-09-21 12:06:16,949 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2020-09-21 12:06:16,949 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-09-21 12:06:16,949 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-09-21 12:06:16,949 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-09-21 12:06:16,949 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-09-21 12:06:16,949 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-09-21 12:06:16,949 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2020-09-21 12:06:16,949 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2020-09-21 12:06:16,950 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,950 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:06:16,950 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:06:16,950 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:06:16,950 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 834 841) no Hoare annotation was computed. [2020-09-21 12:06:16,950 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 834 841) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:06:16,950 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 834 841) no Hoare annotation was computed. [2020-09-21 12:06:16,950 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-09-21 12:06:16,950 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-09-21 12:06:16,951 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:06:16,951 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2020-09-21 12:06:16,951 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-09-21 12:06:16,951 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2020-09-21 12:06:16,951 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2020-09-21 12:06:16,951 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2020-09-21 12:06:16,951 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2020-09-21 12:06:16,952 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:06:16,952 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-09-21 12:06:16,952 INFO L271 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: true [2020-09-21 12:06:16,952 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-09-21 12:06:16,952 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-09-21 12:06:16,952 INFO L268 CegarLoopResult]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2020-09-21 12:06:16,952 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-09-21 12:06:16,952 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-09-21 12:06:16,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:06:16 BoogieIcfgContainer [2020-09-21 12:06:16,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:06:16,973 INFO L168 Benchmark]: Toolchain (without parser) took 32715.72 ms. Allocated memory was 138.9 MB in the beginning and 575.1 MB in the end (delta: 436.2 MB). Free memory was 101.0 MB in the beginning and 360.6 MB in the end (delta: -259.6 MB). Peak memory consumption was 417.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,974 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.86 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 170.2 MB in the end (delta: -69.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,976 INFO L168 Benchmark]: Boogie Preprocessor took 93.51 ms. Allocated memory is still 201.9 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,977 INFO L168 Benchmark]: RCFGBuilder took 1136.26 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 166.1 MB in the beginning and 197.5 MB in the end (delta: -31.5 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,977 INFO L168 Benchmark]: TraceAbstraction took 30795.66 ms. Allocated memory was 233.8 MB in the beginning and 575.1 MB in the end (delta: 341.3 MB). Free memory was 197.5 MB in the beginning and 360.6 MB in the end (delta: -163.1 MB). Peak memory consumption was 419.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:06:16,981 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.86 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 170.2 MB in the end (delta: -69.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.51 ms. Allocated memory is still 201.9 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1136.26 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 166.1 MB in the beginning and 197.5 MB in the end (delta: -31.5 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30795.66 ms. Allocated memory was 233.8 MB in the beginning and 575.1 MB in the end (delta: 341.3 MB). Free memory was 197.5 MB in the beginning and 360.6 MB in the end (delta: -163.1 MB). Peak memory consumption was 419.5 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: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 388 SDtfs, 442 SDslu, 159 SDs, 0 SdLazy, 772 SolverSat, 273 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 105 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 240 PreInvPairs, 273 NumberOfFragments, 605 HoareAnnotationTreeSize, 240 FomulaSimplifications, 15291 FormulaSimplificationTreeSizeReduction, 10.6s HoareSimplificationTime, 53 FomulaSimplificationsInter, 7854 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 202 NumberOfCodeBlocks, 202 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 51198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...