/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:00:12,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:00:12,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:00:12,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:00:12,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:00:12,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:00:12,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:00:12,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:00:12,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:00:12,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:00:12,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:00:12,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:00:12,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:00:12,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:00:12,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:00:12,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:00:12,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:00:12,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:00:12,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:00:12,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:00:12,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:00:12,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:00:12,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:00:12,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:00:12,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:00:12,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:00:12,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:00:12,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:00:12,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:00:12,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:00:12,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:00:12,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:00:12,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:00:12,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:00:12,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:00:12,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:00:12,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:00:12,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:00:12,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:00:12,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:00:12,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:00:12,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 18:00:12,186 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:00:12,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:00:12,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:00:12,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:00:12,189 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:00:12,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:00:12,190 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:00:12,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:00:12,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:00:12,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:00:12,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:00:12,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:00:12,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:00:12,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:00:12,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:00:12,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:00:12,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:00:12,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:00:12,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:00:12,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:00:12,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:00:12,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:00:12,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:00:12,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:00:12,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:00:12,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:00:12,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:00:12,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:00:12,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:00:12,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:00:12,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:00:12,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:00:12,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:00:12,512 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:00:12,513 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:00:12,513 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-10-12 18:00:12,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d84ab06d5/49c1aa6bc79543bc940ceb259e97f4c9/FLAG5045075a4 [2020-10-12 18:00:13,120 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:00:13,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-10-12 18:00:13,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d84ab06d5/49c1aa6bc79543bc940ceb259e97f4c9/FLAG5045075a4 [2020-10-12 18:00:13,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d84ab06d5/49c1aa6bc79543bc940ceb259e97f4c9 [2020-10-12 18:00:13,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:00:13,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:00:13,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:00:13,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:00:13,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:00:13,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:00:13" (1/1) ... [2020-10-12 18:00:13,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e33f227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:13, skipping insertion in model container [2020-10-12 18:00:13,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:00:13" (1/1) ... [2020-10-12 18:00:13,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:00:13,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:00:13,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:00:13,892 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:00:13,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:00:14,005 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:00:14,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:14 WrapperNode [2020-10-12 18:00:14,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:00:14,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:00:14,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:00:14,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:00:14,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:14" (1/1) ... [2020-10-12 18:00:14,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:14" (1/1) ... [2020-10-12 18:00:14,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:14" (1/1) ... [2020-10-12 18:00:14,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:14" (1/1) ... [2020-10-12 18:00:14,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:14" (1/1) ... [2020-10-12 18:00:14,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:14" (1/1) ... [2020-10-12 18:00:14,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:14" (1/1) ... [2020-10-12 18:00:14,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:00:14,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:00:14,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:00:14,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:00:14,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:00:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:00:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:00:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 18:00:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 18:00:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 18:00:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 18:00:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 18:00:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 18:00:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 18:00:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 18:00:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 18:00:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 18:00:14,175 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 18:00:14,175 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 18:00:14,175 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 18:00:14,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 18:00:14,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 18:00:14,175 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 18:00:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 18:00:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 18:00:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 18:00:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 18:00:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-12 18:00:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 18:00:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 18:00:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 18:00:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 18:00:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 18:00:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 18:00:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-12 18:00:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 18:00:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 18:00:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 18:00:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 18:00:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:00:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:00:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 18:00:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 18:00:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 18:00:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 18:00:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 18:00:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 18:00:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 18:00:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 18:00:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 18:00:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 18:00:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 18:00:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 18:00:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 18:00:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 18:00:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 18:00:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 18:00:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 18:00:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 18:00:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 18:00:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 18:00:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 18:00:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 18:00:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 18:00:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 18:00:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 18:00:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 18:00:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-12 18:00:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 18:00:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 18:00:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 18:00:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 18:00:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 18:00:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 18:00:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 18:00:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 18:00:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 18:00:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 18:00:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-12 18:00:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 18:00:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 18:00:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 18:00:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 18:00:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 18:00:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 18:00:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:00:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:00:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 18:00:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:00:15,277 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:00:15,277 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 18:00:15,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:00:15 BoogieIcfgContainer [2020-10-12 18:00:15,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:00:15,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:00:15,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:00:15,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:00:15,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:00:13" (1/3) ... [2020-10-12 18:00:15,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776a7c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:00:15, skipping insertion in model container [2020-10-12 18:00:15,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:14" (2/3) ... [2020-10-12 18:00:15,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776a7c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:00:15, skipping insertion in model container [2020-10-12 18:00:15,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:00:15" (3/3) ... [2020-10-12 18:00:15,291 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-10-12 18:00:15,302 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:00:15,311 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:00:15,325 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:00:15,348 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:00:15,349 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:00:15,349 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:00:15,349 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:00:15,349 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:00:15,349 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:00:15,350 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:00:15,350 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:00:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-10-12 18:00:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-12 18:00:15,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:00:15,382 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] [2020-10-12 18:00:15,382 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:00:15,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:00:15,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1645653850, now seen corresponding path program 1 times [2020-10-12 18:00:15,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:00:15,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2077154658] [2020-10-12 18:00:15,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:00:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:16,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:17,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:17,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:20,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:20,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 18:00:20,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:00:20,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4813 [2020-10-12 18:00:20,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:20,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:00:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 18:00:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 18:00:21,084 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:21,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:00:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:21,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:21,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:21,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:21,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:21,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-12 18:00:21,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:21,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:21,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:00:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-12 18:00:21,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:00:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:21,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:21,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:21,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:21,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:21,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:21,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:21,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:21,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:21,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:00:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:21,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:21,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:21,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:21,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:21,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:21,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:21,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:21,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:21,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:21,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:21,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:21,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:21,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:21,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:21,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:21,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:00:21,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:21,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:21,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:00:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:21,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:21,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:21,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:21,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:21,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:21,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:21,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:00:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:21,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:21,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:21,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:21,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:21,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:00:21,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:21,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:00:21,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:21,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:21,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:21,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:00:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:21,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:21,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:21,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:21,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:21,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:00:21,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:21,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:00:21,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2077154658] [2020-10-12 18:00:21,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:00:21,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 18:00:21,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492073026] [2020-10-12 18:00:21,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:00:21,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:00:21,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:00:21,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:00:21,420 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 7 states. [2020-10-12 18:00:21,889 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:22,725 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:23,062 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:23,356 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:23,666 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:24,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:00:24,517 INFO L93 Difference]: Finished difference Result 284 states and 389 transitions. [2020-10-12 18:00:24,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:00:24,521 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-12 18:00:24,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:00:24,536 INFO L225 Difference]: With dead ends: 284 [2020-10-12 18:00:24,536 INFO L226 Difference]: Without dead ends: 174 [2020-10-12 18:00:24,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:00:24,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-12 18:00:24,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 152. [2020-10-12 18:00:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-12 18:00:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 187 transitions. [2020-10-12 18:00:24,639 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 187 transitions. Word has length 46 [2020-10-12 18:00:24,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:00:24,639 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 187 transitions. [2020-10-12 18:00:24,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:00:24,640 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2020-10-12 18:00:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 18:00:24,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:00:24,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:00:24,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:00:24,645 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:00:24,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:00:24,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1027075212, now seen corresponding path program 1 times [2020-10-12 18:00:24,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:00:24,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [80513899] [2020-10-12 18:00:24,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:00:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:24,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:24,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:24,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:25,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:26,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:26,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 18:00:26,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:00:26,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2094 [2020-10-12 18:00:26,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:26,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:00:26,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:26,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 18:00:26,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:27,056 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:27,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:00:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:27,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:27,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:27,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:27,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:27,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 18:00:27,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:00:27,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:27,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:00:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:27,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:27,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:27,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:27,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:27,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:27,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:27,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:27,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:27,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:00:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:27,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:27,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:27,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:27,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:27,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:27,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:27,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:27,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:27,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:27,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:27,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:27,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:27,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:27,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:27,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:27,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:27,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:27,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:27,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:27,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:00:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:27,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:27,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:27,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:27,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:27,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:27,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:27,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 18:00:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:27,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:27,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:27,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:27,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:27,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:27,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:27,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:27,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:27,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:27,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:00:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:27,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:27,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:27,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:27,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:27,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:27,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:27,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:27,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:27,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 18:00:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:27,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:27,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:27,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:27,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:27,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:00:27,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:00:27,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:27,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:27,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:00:27,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [80513899] [2020-10-12 18:00:27,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:00:27,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 18:00:27,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677988389] [2020-10-12 18:00:27,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 18:00:27,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:00:27,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 18:00:27,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:00:27,244 INFO L87 Difference]: Start difference. First operand 152 states and 187 transitions. Second operand 8 states. [2020-10-12 18:00:27,648 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:28,445 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:28,715 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:28,956 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 18:00:29,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:00:29,150 INFO L93 Difference]: Finished difference Result 272 states and 355 transitions. [2020-10-12 18:00:29,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:00:29,150 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-12 18:00:29,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:00:29,152 INFO L225 Difference]: With dead ends: 272 [2020-10-12 18:00:29,152 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 18:00:29,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:00:29,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 18:00:29,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 18:00:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 18:00:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 18:00:29,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-12 18:00:29,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:00:29,157 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 18:00:29,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 18:00:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 18:00:29,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 18:00:29,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:00:29,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 18:00:30,757 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:30,882 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-10-12 18:00:31,159 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:31,315 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-10-12 18:00:31,471 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-10-12 18:00:31,626 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-10-12 18:00:31,949 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:32,086 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:00:32,234 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-10-12 18:00:32,432 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:32,582 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-10-12 18:00:32,868 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:33,152 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:33,288 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:00:33,593 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-10-12 18:00:33,738 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:00:33,903 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-10-12 18:00:34,175 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:34,456 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:34,739 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:34,881 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-10-12 18:00:35,159 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-10-12 18:00:35,296 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:00:35,315 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-12 18:00:35,315 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-10-12 18:00:35,315 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-10-12 18:00:35,315 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-10-12 18:00:35,316 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-10-12 18:00:35,316 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-10-12 18:00:35,316 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-10-12 18:00:35,316 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-10-12 18:00:35,316 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-10-12 18:00:35,316 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-10-12 18:00:35,316 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-12 18:00:35,316 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-10-12 18:00:35,317 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-10-12 18:00:35,317 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-10-12 18:00:35,317 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-10-12 18:00:35,317 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-12 18:00:35,317 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-10-12 18:00:35,317 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-10-12 18:00:35,318 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2020-10-12 18:00:35,318 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2020-10-12 18:00:35,318 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2020-10-12 18:00:35,318 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2020-10-12 18:00:35,318 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2020-10-12 18:00:35,318 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2020-10-12 18:00:35,318 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2020-10-12 18:00:35,318 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-12 18:00:35,319 INFO L268 CegarLoopResult]: For program point L748(lines 748 754) no Hoare annotation was computed. [2020-10-12 18:00:35,319 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:35,319 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-10-12 18:00:35,319 INFO L268 CegarLoopResult]: For program point L744(lines 744 757) no Hoare annotation was computed. [2020-10-12 18:00:35,319 INFO L268 CegarLoopResult]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2020-10-12 18:00:35,319 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-10-12 18:00:35,319 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-10-12 18:00:35,320 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 834 856) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:00:35,320 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2020-10-12 18:00:35,320 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:00:35,320 INFO L264 CegarLoopResult]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:00:35,320 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 834 856) no Hoare annotation was computed. [2020-10-12 18:00:35,320 INFO L268 CegarLoopResult]: For program point L844(lines 844 851) no Hoare annotation was computed. [2020-10-12 18:00:35,320 INFO L268 CegarLoopResult]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2020-10-12 18:00:35,321 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-10-12 18:00:35,321 INFO L264 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:00:35,321 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:00:35,321 INFO L264 CegarLoopResult]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:00:35,321 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-10-12 18:00:35,321 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-10-12 18:00:35,322 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2020-10-12 18:00:35,322 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-10-12 18:00:35,322 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-10-12 18:00:35,322 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2020-10-12 18:00:35,322 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2020-10-12 18:00:35,322 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-10-12 18:00:35,322 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-10-12 18:00:35,322 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-10-12 18:00:35,322 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-10-12 18:00:35,322 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-10-12 18:00:35,322 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-10-12 18:00:35,323 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-10-12 18:00:35,323 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-10-12 18:00:35,323 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-10-12 18:00:35,323 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-10-12 18:00:35,323 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2020-10-12 18:00:35,323 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-12 18:00:35,323 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-12 18:00:35,323 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 639 653) no Hoare annotation was computed. [2020-10-12 18:00:35,323 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-10-12 18:00:35,324 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2020-10-12 18:00:35,324 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2020-10-12 18:00:35,324 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 594 602) no Hoare annotation was computed. [2020-10-12 18:00:35,324 INFO L268 CegarLoopResult]: For program point L610-2(lines 610 618) no Hoare annotation was computed. [2020-10-12 18:00:35,324 INFO L268 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2020-10-12 18:00:35,324 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-10-12 18:00:35,324 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 603 638) no Hoare annotation was computed. [2020-10-12 18:00:35,324 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-10-12 18:00:35,324 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-10-12 18:00:35,324 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 603 638) no Hoare annotation was computed. [2020-10-12 18:00:35,324 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 603 638) no Hoare annotation was computed. [2020-10-12 18:00:35,325 INFO L268 CegarLoopResult]: For program point L610(lines 610 618) no Hoare annotation was computed. [2020-10-12 18:00:35,325 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2020-10-12 18:00:35,325 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2020-10-12 18:00:35,325 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-10-12 18:00:35,325 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-10-12 18:00:35,325 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-10-12 18:00:35,325 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-10-12 18:00:35,325 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-10-12 18:00:35,325 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-10-12 18:00:35,326 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-10-12 18:00:35,326 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-10-12 18:00:35,326 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-10-12 18:00:35,326 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 824 833) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:00:35,326 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2020-10-12 18:00:35,326 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2020-10-12 18:00:35,326 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 583 593) no Hoare annotation was computed. [2020-10-12 18:00:35,326 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-12 18:00:35,327 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-10-12 18:00:35,327 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 583 593) no Hoare annotation was computed. [2020-10-12 18:00:35,327 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 583 593) no Hoare annotation was computed. [2020-10-12 18:00:35,327 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2020-10-12 18:00:35,327 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2020-10-12 18:00:35,327 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 575 582) no Hoare annotation was computed. [2020-10-12 18:00:35,327 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2020-10-12 18:00:35,327 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2020-10-12 18:00:35,328 INFO L264 CegarLoopResult]: At program point testENTRY(lines 458 523) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-12 18:00:35,328 INFO L264 CegarLoopResult]: At program point L506(line 506) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 18:00:35,328 INFO L268 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-10-12 18:00:35,328 INFO L264 CegarLoopResult]: At program point L504-1(lines 498 511) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 18:00:35,328 INFO L268 CegarLoopResult]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2020-10-12 18:00:35,328 INFO L268 CegarLoopResult]: For program point L469(lines 468 515) no Hoare annotation was computed. [2020-10-12 18:00:35,328 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-10-12 18:00:35,328 INFO L264 CegarLoopResult]: At program point L490(line 490) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 18:00:35,329 INFO L268 CegarLoopResult]: For program point L488(lines 488 494) no Hoare annotation was computed. [2020-10-12 18:00:35,329 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2020-10-12 18:00:35,329 INFO L264 CegarLoopResult]: At program point L513(lines 468 515) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 18:00:35,329 INFO L264 CegarLoopResult]: At program point L480(line 480) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 18:00:35,329 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-10-12 18:00:35,329 INFO L268 CegarLoopResult]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2020-10-12 18:00:35,329 INFO L268 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-10-12 18:00:35,329 INFO L264 CegarLoopResult]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-12 18:00:35,330 INFO L268 CegarLoopResult]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2020-10-12 18:00:35,330 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-10-12 18:00:35,330 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-10-12 18:00:35,330 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-10-12 18:00:35,330 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-10-12 18:00:35,330 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-10-12 18:00:35,330 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-10-12 18:00:35,330 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 703 725) no Hoare annotation was computed. [2020-10-12 18:00:35,330 INFO L268 CegarLoopResult]: For program point L711(lines 711 719) no Hoare annotation was computed. [2020-10-12 18:00:35,330 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 703 725) no Hoare annotation was computed. [2020-10-12 18:00:35,331 INFO L268 CegarLoopResult]: For program point L711-2(lines 711 719) no Hoare annotation was computed. [2020-10-12 18:00:35,331 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 703 725) no Hoare annotation was computed. [2020-10-12 18:00:35,331 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-10-12 18:00:35,331 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-10-12 18:00:35,331 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-10-12 18:00:35,331 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-10-12 18:00:35,331 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-10-12 18:00:35,331 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-10-12 18:00:35,332 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-10-12 18:00:35,332 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-10-12 18:00:35,332 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-10-12 18:00:35,332 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-10-12 18:00:35,332 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-10-12 18:00:35,332 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-10-12 18:00:35,332 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-10-12 18:00:35,332 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-10-12 18:00:35,333 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-10-12 18:00:35,333 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-10-12 18:00:35,333 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 419 428) no Hoare annotation was computed. [2020-10-12 18:00:35,333 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 419 428) no Hoare annotation was computed. [2020-10-12 18:00:35,333 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 419 428) no Hoare annotation was computed. [2020-10-12 18:00:35,333 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:00:35,334 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-12 18:00:35,334 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:00:35,334 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 567 574) no Hoare annotation was computed. [2020-10-12 18:00:35,334 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 567 574) no Hoare annotation was computed. [2020-10-12 18:00:35,334 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 567 574) no Hoare annotation was computed. [2020-10-12 18:00:35,334 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2020-10-12 18:00:35,334 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 726 734) no Hoare annotation was computed. [2020-10-12 18:00:35,334 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2020-10-12 18:00:35,335 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:00:35,335 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-12 18:00:35,335 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:00:35,335 INFO L268 CegarLoopResult]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2020-10-12 18:00:35,335 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-12 18:00:35,335 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2020-10-12 18:00:35,335 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-12 18:00:35,336 INFO L268 CegarLoopResult]: For program point L540(lines 539 558) no Hoare annotation was computed. [2020-10-12 18:00:35,336 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:35,336 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2020-10-12 18:00:35,336 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2020-10-12 18:00:35,336 INFO L264 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:35,336 INFO L264 CegarLoopResult]: At program point L547(lines 547 553) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:35,336 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:35,336 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-10-12 18:00:35,337 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2020-10-12 18:00:35,337 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:35,337 INFO L271 CegarLoopResult]: At program point L788(lines 763 792) the Hoare annotation is: true [2020-10-12 18:00:35,337 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-10-12 18:00:35,337 INFO L268 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-10-12 18:00:35,337 INFO L264 CegarLoopResult]: At program point L777-1(lines 777 781) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:35,337 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-10-12 18:00:35,337 INFO L264 CegarLoopResult]: At program point L773-2(lines 773 787) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:35,338 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 694 702) no Hoare annotation was computed. [2020-10-12 18:00:35,338 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 694 702) no Hoare annotation was computed. [2020-10-12 18:00:35,338 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 694 702) no Hoare annotation was computed. [2020-10-12 18:00:35,338 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2020-10-12 18:00:35,338 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2020-10-12 18:00:35,338 INFO L268 CegarLoopResult]: For program point L662-1(lines 658 669) no Hoare annotation was computed. [2020-10-12 18:00:35,338 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2020-10-12 18:00:35,338 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2020-10-12 18:00:35,339 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:00:35,339 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-10-12 18:00:35,339 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 18:00:35,339 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:00:35,339 INFO L268 CegarLoopResult]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2020-10-12 18:00:35,339 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2020-10-12 18:00:35,339 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:35,339 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-10-12 18:00:35,340 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-10-12 18:00:35,340 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-10-12 18:00:35,340 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-10-12 18:00:35,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 06:00:35 BoogieIcfgContainer [2020-10-12 18:00:35,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 18:00:35,359 INFO L168 Benchmark]: Toolchain (without parser) took 21963.49 ms. Allocated memory was 141.6 MB in the beginning and 594.0 MB in the end (delta: 452.5 MB). Free memory was 103.8 MB in the beginning and 263.2 MB in the end (delta: -159.4 MB). Peak memory consumption was 467.9 MB. Max. memory is 7.1 GB. [2020-10-12 18:00:35,360 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 18:00:35,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.68 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 174.0 MB in the end (delta: -70.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-10-12 18:00:35,362 INFO L168 Benchmark]: Boogie Preprocessor took 103.01 ms. Allocated memory is still 205.5 MB. Free memory was 174.0 MB in the beginning and 169.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-10-12 18:00:35,363 INFO L168 Benchmark]: RCFGBuilder took 1172.28 ms. Allocated memory was 205.5 MB in the beginning and 233.8 MB in the end (delta: 28.3 MB). Free memory was 169.4 MB in the beginning and 195.5 MB in the end (delta: -26.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-10-12 18:00:35,364 INFO L168 Benchmark]: TraceAbstraction took 20073.46 ms. Allocated memory was 233.8 MB in the beginning and 594.0 MB in the end (delta: 360.2 MB). Free memory was 195.5 MB in the beginning and 263.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 467.3 MB. Max. memory is 7.1 GB. [2020-10-12 18:00:35,368 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.68 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 174.0 MB in the end (delta: -70.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.01 ms. Allocated memory is still 205.5 MB. Free memory was 174.0 MB in the beginning and 169.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1172.28 ms. Allocated memory was 205.5 MB in the beginning and 233.8 MB in the end (delta: 28.3 MB). Free memory was 169.4 MB in the beginning and 195.5 MB in the end (delta: -26.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20073.46 ms. Allocated memory was 233.8 MB in the beginning and 594.0 MB in the end (delta: 360.2 MB). Free memory was 195.5 MB in the beginning and 263.2 MB in the end (delta: -67.7 MB). Peak memory consumption was 467.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 467]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: \old(waterLevel) == waterLevel || !(pumpRunning == 0) - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 200 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 162 SDtfs, 286 SDslu, 243 SDs, 0 SdLazy, 834 SolverSat, 155 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 22 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 185 PreInvPairs, 233 NumberOfFragments, 558 HoareAnnotationTreeSize, 185 FomulaSimplifications, 3462 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 8022 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 27850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...