/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:23:26,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:23:26,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:23:26,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:23:26,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:23:26,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:23:26,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:23:26,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:23:26,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:23:26,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:23:26,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:23:26,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:23:26,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:23:26,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:23:26,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:23:26,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:23:26,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:23:26,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:23:26,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:23:26,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:23:26,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:23:26,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:23:26,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:23:26,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:23:26,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:23:26,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:23:26,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:23:26,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:23:26,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:23:26,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:23:26,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:23:26,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:23:26,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:23:26,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:23:26,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:23:26,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:23:26,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:23:26,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:23:26,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:23:26,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:23:26,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:23:26,240 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 [2020-10-29 11:23:26,273 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:23:26,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:23:26,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:23:26,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:23:26,280 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:23:26,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:23:26,280 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:23:26,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:23:26,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:23:26,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:23:26,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:23:26,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:23:26,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:23:26,281 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:23:26,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:23:26,282 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:23:26,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:23:26,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:23:26,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:23:26,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:23:26,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:23:26,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:23:26,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:23:26,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:23:26,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:23:26,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:23:26,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:23:26,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:23:26,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:23:26,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:23:26,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:23:26,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:23:26,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:23:26,713 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:23:26,714 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:23:26,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-10-29 11:23:26,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7824cdce0/b930621526ed4bea891b2f23b60f57ec/FLAG771d89908 [2020-10-29 11:23:27,637 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:23:27,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-10-29 11:23:27,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7824cdce0/b930621526ed4bea891b2f23b60f57ec/FLAG771d89908 [2020-10-29 11:23:27,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7824cdce0/b930621526ed4bea891b2f23b60f57ec [2020-10-29 11:23:27,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:23:27,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:23:27,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:23:27,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:23:27,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:23:27,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:23:27" (1/1) ... [2020-10-29 11:23:27,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53483ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:27, skipping insertion in model container [2020-10-29 11:23:27,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:23:27" (1/1) ... [2020-10-29 11:23:27,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:23:28,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:23:28,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:23:28,419 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:23:28,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:23:28,628 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:23:28,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:28 WrapperNode [2020-10-29 11:23:28,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:23:28,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:23:28,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:23:28,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:23:28,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:28" (1/1) ... [2020-10-29 11:23:28,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:28" (1/1) ... [2020-10-29 11:23:28,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:28" (1/1) ... [2020-10-29 11:23:28,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:28" (1/1) ... [2020-10-29 11:23:28,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:28" (1/1) ... [2020-10-29 11:23:28,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:28" (1/1) ... [2020-10-29 11:23:28,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:28" (1/1) ... [2020-10-29 11:23:28,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:23:28,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:23:28,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:23:28,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:23:28,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:28" (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 [2020-10-29 11:23:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:23:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:23:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:23:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:23:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:23:28,913 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:23:28,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:23:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:23:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:23:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:23:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:23:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:23:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:23:28,916 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:23:28,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:23:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:23:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:23:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:23:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:23:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:23:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:23:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:23:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:23:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:23:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-29 11:23:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:23:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:23:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:23:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:23:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:23:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-29 11:23:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:23:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:23:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:23:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:23:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:23:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:23:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:23:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:23:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:23:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:23:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:23:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:23:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:23:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:23:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:23:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:23:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:23:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:23:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:23:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:23:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:23:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:23:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:23:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:23:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:23:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:23:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:23:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:23:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:23:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:23:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:23:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:23:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:23:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:23:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:23:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:23:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-29 11:23:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:23:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:23:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:23:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-29 11:23:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:23:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:23:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:23:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:23:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:23:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:23:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:23:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:23:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:23:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:23:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:23:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:23:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:23:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:23:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:23:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:23:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:23:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:23:30,136 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:23:30,136 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:23:30,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:23:30 BoogieIcfgContainer [2020-10-29 11:23:30,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:23:30,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:23:30,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:23:30,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:23:30,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:23:27" (1/3) ... [2020-10-29 11:23:30,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce1ae77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:23:30, skipping insertion in model container [2020-10-29 11:23:30,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:28" (2/3) ... [2020-10-29 11:23:30,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce1ae77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:23:30, skipping insertion in model container [2020-10-29 11:23:30,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:23:30" (3/3) ... [2020-10-29 11:23:30,149 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2020-10-29 11:23:30,161 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:23:30,167 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:23:30,181 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:23:30,210 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:23:30,210 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:23:30,210 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:23:30,211 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:23:30,211 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:23:30,211 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:23:30,211 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:23:30,211 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:23:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-10-29 11:23:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 11:23:30,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:23:30,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:23:30,247 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:23:30,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:23:30,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1950371189, now seen corresponding path program 1 times [2020-10-29 11:23:30,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:23:30,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764311594] [2020-10-29 11:23:30,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:23:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:30,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:30,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:31,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:32,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:33,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:35,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:35,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:23:35,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:23:35,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-29 11:23:35,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:35,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:35,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:23:35,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:35,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:23:35,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-29 11:23:36,079 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:23:36,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:23:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:36,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:36,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:36,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:36,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:36,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 11:23:36,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:36,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:36,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:36,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:36,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:23:36,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:36,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:23:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:36,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:36,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:36,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:36,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:36,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:36,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:36,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:36,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:36,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:36,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:23:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:36,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:36,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:36,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:36,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:36,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:36,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:36,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:36,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:36,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:23:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:36,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:36,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:36,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:36,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:36,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:23:36,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:36,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:36,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:36,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:23:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:36,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:36,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:36,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:36,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:36,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:36,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:36,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:36,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:36,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:36,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:36,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:36,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:23:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:36,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:36,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:36,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:36,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:36,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:23:36,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:36,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:36,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:23:36,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:36,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:23:36,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:36,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:23:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:36,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:36,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:36,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:36,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:36,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:23:36,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:36,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:36,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:23:36,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:36,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:23:36,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:23:36,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764311594] [2020-10-29 11:23:36,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:23:36,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:23:36,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484668041] [2020-10-29 11:23:36,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:23:36,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:23:36,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:23:36,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:23:36,334 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 4 states. [2020-10-29 11:23:36,789 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:23:38,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:23:38,995 INFO L93 Difference]: Finished difference Result 367 states and 498 transitions. [2020-10-29 11:23:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:23:38,998 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 11:23:38,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:23:39,014 INFO L225 Difference]: With dead ends: 367 [2020-10-29 11:23:39,014 INFO L226 Difference]: Without dead ends: 236 [2020-10-29 11:23:39,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:23:39,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-29 11:23:39,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 181. [2020-10-29 11:23:39,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-29 11:23:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 220 transitions. [2020-10-29 11:23:39,203 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 220 transitions. Word has length 47 [2020-10-29 11:23:39,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:23:39,204 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 220 transitions. [2020-10-29 11:23:39,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:23:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 220 transitions. [2020-10-29 11:23:39,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-29 11:23:39,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:23:39,217 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:23:39,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:23:39,218 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:23:39,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:23:39,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1298357744, now seen corresponding path program 1 times [2020-10-29 11:23:39,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:23:39,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310480376] [2020-10-29 11:23:39,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:23:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:39,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:39,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:39,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:41,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:44,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:44,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-29 11:23:44,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:23:44,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 11:23:44,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:44,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:23:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 11:23:44,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:44,782 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:23:44,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:23:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:44,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:44,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:44,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:44,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-29 11:23:44,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:44,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:23:44,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:44,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:23:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:44,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:44,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:44,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:44,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:44,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:23:44,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:44,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:44,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:44,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:44,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:44,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:44,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:23:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:44,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:44,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:44,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:44,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:44,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:23:44,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:44,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:44,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:44,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:44,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:44,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:44,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:23:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:44,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:44,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:44,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:44,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:44,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:23:44,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:44,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:44,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:44,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:44,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:44,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:44,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:23:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:44,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:44,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:44,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:44,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:44,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:23:44,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:44,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:44,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:44,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:44,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:23:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:44,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:44,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:44,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:23:44,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:44,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:23:44,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:44,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:23:44,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:44,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:23:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:44,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:44,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:44,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:44,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:44,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:23:44,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:44,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:23:44,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:44,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:23:44,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:44,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:23:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:45,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:45,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:45,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:45,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:45,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:23:45,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:45,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:45,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:23:45,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:45,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:45,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:45,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 11:23:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:45,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:45,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:45,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:45,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:45,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:23:45,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:45,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:23:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:23:45,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:23:45,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310480376] [2020-10-29 11:23:45,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:23:45,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:23:45,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722865398] [2020-10-29 11:23:45,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:23:45,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:23:45,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:23:45,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:23:45,046 INFO L87 Difference]: Start difference. First operand 181 states and 220 transitions. Second operand 8 states. [2020-10-29 11:23:45,633 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:23:46,847 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:23:47,667 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:23:48,139 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:23:48,573 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:23:49,096 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:23:50,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:23:50,596 INFO L93 Difference]: Finished difference Result 663 states and 936 transitions. [2020-10-29 11:23:50,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 11:23:50,599 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-10-29 11:23:50,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:23:50,607 INFO L225 Difference]: With dead ends: 663 [2020-10-29 11:23:50,608 INFO L226 Difference]: Without dead ends: 461 [2020-10-29 11:23:50,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:23:50,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-10-29 11:23:50,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 304. [2020-10-29 11:23:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-29 11:23:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 373 transitions. [2020-10-29 11:23:50,756 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 373 transitions. Word has length 60 [2020-10-29 11:23:50,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:23:50,756 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 373 transitions. [2020-10-29 11:23:50,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:23:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 373 transitions. [2020-10-29 11:23:50,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-29 11:23:50,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:23:50,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:23:50,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:23:50,762 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:23:50,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:23:50,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1037764273, now seen corresponding path program 1 times [2020-10-29 11:23:50,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:23:50,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504014645] [2020-10-29 11:23:50,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:23:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:50,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:51,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:51,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:52,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:52,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 11:23:52,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:23:52,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1918 [2020-10-29 11:23:52,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:52,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:23:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 11:23:52,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:53,112 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:23:53,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:23:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:53,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:53,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:53,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:53,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:53,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 11:23:53,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:53,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:53,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:23:53,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:53,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:23:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:53,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:53,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:53,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:53,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:53,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:23:53,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:53,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:53,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:53,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:53,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:53,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:23:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:53,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:53,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:53,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:53,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:53,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:23:53,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:53,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:53,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:53,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:53,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:53,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:23:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:53,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:53,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:53,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:53,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:53,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:23:53,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:53,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:53,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:53,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:53,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:53,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:53,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:23:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:53,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:53,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:53,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:53,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:53,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:53,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:53,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:53,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:53,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:53,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:53,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:53,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:23:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:53,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:53,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:53,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:53,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:53,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:23:53,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:53,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:53,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:53,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 11:23:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:53,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:53,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:53,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:53,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:23:53,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:23:53,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:23:53,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:53,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:23:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:23:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:23:53,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:53,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 11:23:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:53,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:53,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:53,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:53,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:53,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:53,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:53,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:53,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:53,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:53,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:53,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 11:23:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:53,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:53,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:53,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:53,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:23:53,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:53,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:23:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:53,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:23:53,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504014645] [2020-10-29 11:23:53,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:23:53,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 11:23:53,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269961612] [2020-10-29 11:23:53,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 11:23:53,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:23:53,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 11:23:53,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-29 11:23:53,390 INFO L87 Difference]: Start difference. First operand 304 states and 373 transitions. Second operand 10 states. [2020-10-29 11:23:54,007 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:23:55,294 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:23:55,778 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:23:56,202 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:23:56,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:23:56,846 INFO L93 Difference]: Finished difference Result 559 states and 727 transitions. [2020-10-29 11:23:56,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 11:23:56,847 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-10-29 11:23:56,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:23:56,849 INFO L225 Difference]: With dead ends: 559 [2020-10-29 11:23:56,849 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:23:56,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:23:56,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:23:56,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:23:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:23:56,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:23:56,854 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2020-10-29 11:23:56,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:23:56,854 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:23:56,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 11:23:56,855 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:23:56,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:23:56,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:23:56,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:23:56,970 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:00,973 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 7 [2020-10-29 11:24:01,318 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:01,609 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-10-29 11:24:01,946 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:02,263 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-10-29 11:24:02,589 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:02,955 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:24:03,805 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-10-29 11:24:04,325 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 11 [2020-10-29 11:24:04,602 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-10-29 11:24:05,179 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2020-10-29 11:24:05,725 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 8 [2020-10-29 11:24:06,006 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:06,513 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 11 [2020-10-29 11:24:06,792 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:07,337 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 15 [2020-10-29 11:24:07,814 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 11 [2020-10-29 11:24:08,079 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-10-29 11:24:08,387 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:08,649 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-10-29 11:24:09,208 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-10-29 11:24:09,484 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:09,775 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:10,548 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-10-29 11:24:11,320 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-10-29 11:24:11,582 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-10-29 11:24:12,116 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 11 [2020-10-29 11:24:12,657 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 7 [2020-10-29 11:24:12,662 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 11:24:12,662 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 11:24:12,662 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 11:24:12,662 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 11:24:12,663 INFO L274 CegarLoopResult]: For program point L636(lines 613 637) no Hoare annotation was computed. [2020-10-29 11:24:12,663 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 589 644) no Hoare annotation was computed. [2020-10-29 11:24:12,663 INFO L274 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2020-10-29 11:24:12,663 INFO L274 CegarLoopResult]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2020-10-29 11:24:12,663 INFO L274 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-10-29 11:24:12,663 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 589 644) no Hoare annotation was computed. [2020-10-29 11:24:12,663 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 635) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 589 644) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point L671-2(lines 671 696) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point L697(lines 670 698) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 645 704) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point L690-1(line 690) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 645 704) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 645 704) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point L677(lines 677 681) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point L677-1(lines 677 681) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 248 254) the Hoare annotation is: true [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 248 254) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 255 263) no Hoare annotation was computed. [2020-10-29 11:24:12,664 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 255 263) the Hoare annotation is: true [2020-10-29 11:24:12,665 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 255 263) no Hoare annotation was computed. [2020-10-29 11:24:12,665 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,665 INFO L270 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,665 INFO L270 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,665 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,665 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-10-29 11:24:12,666 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-10-29 11:24:12,666 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,666 INFO L270 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,666 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-29 11:24:12,666 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-10-29 11:24:12,666 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-29 11:24:12,667 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2020-10-29 11:24:12,667 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-29 11:24:12,667 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-29 11:24:12,667 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 11:24:12,667 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2020-10-29 11:24:12,667 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-29 11:24:12,667 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2020-10-29 11:24:12,667 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-29 11:24:12,667 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 11:24:12,667 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-29 11:24:12,667 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-29 11:24:12,668 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 11:24:12,668 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-29 11:24:12,668 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-29 11:24:12,668 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 11:24:12,668 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-29 11:24:12,668 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-29 11:24:12,668 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 332 338) no Hoare annotation was computed. [2020-10-29 11:24:12,668 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 332 338) the Hoare annotation is: true [2020-10-29 11:24:12,668 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 454 468) no Hoare annotation was computed. [2020-10-29 11:24:12,669 INFO L270 CegarLoopResult]: At program point L460(line 460) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-29 11:24:12,669 INFO L274 CegarLoopResult]: For program point L458(lines 458 464) no Hoare annotation was computed. [2020-10-29 11:24:12,669 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 454 468) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-29 11:24:12,669 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 454 468) no Hoare annotation was computed. [2020-10-29 11:24:12,669 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 365 372) no Hoare annotation was computed. [2020-10-29 11:24:12,669 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 365 372) no Hoare annotation was computed. [2020-10-29 11:24:12,669 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 365 372) no Hoare annotation was computed. [2020-10-29 11:24:12,669 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2020-10-29 11:24:12,670 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2020-10-29 11:24:12,670 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 409 417) no Hoare annotation was computed. [2020-10-29 11:24:12,670 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-29 11:24:12,670 INFO L274 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-10-29 11:24:12,670 INFO L274 CegarLoopResult]: For program point L437(lines 437 445) no Hoare annotation was computed. [2020-10-29 11:24:12,670 INFO L274 CegarLoopResult]: For program point L437-2(lines 437 445) no Hoare annotation was computed. [2020-10-29 11:24:12,670 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 418 453) no Hoare annotation was computed. [2020-10-29 11:24:12,670 INFO L274 CegarLoopResult]: For program point L425(lines 425 433) no Hoare annotation was computed. [2020-10-29 11:24:12,670 INFO L274 CegarLoopResult]: For program point L425-2(lines 425 433) no Hoare annotation was computed. [2020-10-29 11:24:12,670 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 418 453) no Hoare annotation was computed. [2020-10-29 11:24:12,670 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 418 453) no Hoare annotation was computed. [2020-10-29 11:24:12,670 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 241 247) no Hoare annotation was computed. [2020-10-29 11:24:12,671 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 241 247) the Hoare annotation is: true [2020-10-29 11:24:12,671 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 543 588) no Hoare annotation was computed. [2020-10-29 11:24:12,671 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 543 588) no Hoare annotation was computed. [2020-10-29 11:24:12,671 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 543 588) no Hoare annotation was computed. [2020-10-29 11:24:12,671 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 856 901) no Hoare annotation was computed. [2020-10-29 11:24:12,671 INFO L274 CegarLoopResult]: For program point L887(lines 887 888) no Hoare annotation was computed. [2020-10-29 11:24:12,671 INFO L274 CegarLoopResult]: For program point L880(lines 880 881) no Hoare annotation was computed. [2020-10-29 11:24:12,671 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 880 881) no Hoare annotation was computed. [2020-10-29 11:24:12,671 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 887 888) no Hoare annotation was computed. [2020-10-29 11:24:12,671 INFO L274 CegarLoopResult]: For program point L876(lines 876 883) no Hoare annotation was computed. [2020-10-29 11:24:12,672 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 856 901) no Hoare annotation was computed. [2020-10-29 11:24:12,672 INFO L274 CegarLoopResult]: For program point L870(lines 870 890) no Hoare annotation was computed. [2020-10-29 11:24:12,672 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 856 901) no Hoare annotation was computed. [2020-10-29 11:24:12,672 INFO L274 CegarLoopResult]: For program point L870-1(lines 870 890) no Hoare annotation was computed. [2020-10-29 11:24:12,672 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 109 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,672 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2020-10-29 11:24:12,672 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2020-10-29 11:24:12,672 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 398 408) the Hoare annotation is: true [2020-10-29 11:24:12,672 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 398 408) no Hoare annotation was computed. [2020-10-29 11:24:12,672 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 398 408) no Hoare annotation was computed. [2020-10-29 11:24:12,673 INFO L277 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-10-29 11:24:12,673 INFO L274 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-10-29 11:24:12,673 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2020-10-29 11:24:12,673 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2020-10-29 11:24:12,673 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 390 397) no Hoare annotation was computed. [2020-10-29 11:24:12,673 INFO L270 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-29 11:24:12,673 INFO L274 CegarLoopResult]: For program point L348(lines 348 356) no Hoare annotation was computed. [2020-10-29 11:24:12,673 INFO L270 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-29 11:24:12,673 INFO L274 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-10-29 11:24:12,673 INFO L274 CegarLoopResult]: For program point L344(lines 344 361) no Hoare annotation was computed. [2020-10-29 11:24:12,674 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 340 364) no Hoare annotation was computed. [2020-10-29 11:24:12,674 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 340 364) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,674 INFO L270 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,674 INFO L274 CegarLoopResult]: For program point L359-1(lines 340 364) no Hoare annotation was computed. [2020-10-29 11:24:12,674 INFO L270 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-29 11:24:12,674 INFO L274 CegarLoopResult]: For program point L481(lines 480 527) no Hoare annotation was computed. [2020-10-29 11:24:12,674 INFO L270 CegarLoopResult]: At program point testENTRY(lines 470 535) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,674 INFO L274 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2020-10-29 11:24:12,674 INFO L274 CegarLoopResult]: For program point testFINAL(lines 470 535) no Hoare annotation was computed. [2020-10-29 11:24:12,675 INFO L270 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,675 INFO L274 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2020-10-29 11:24:12,675 INFO L274 CegarLoopResult]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2020-10-29 11:24:12,675 INFO L270 CegarLoopResult]: At program point L525(lines 480 527) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,675 INFO L270 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,675 INFO L274 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2020-10-29 11:24:12,675 INFO L274 CegarLoopResult]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2020-10-29 11:24:12,675 INFO L274 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-10-29 11:24:12,676 INFO L270 CegarLoopResult]: At program point L528(lines 479 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,676 INFO L270 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,676 INFO L274 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-10-29 11:24:12,676 INFO L270 CegarLoopResult]: At program point L516-1(lines 510 523) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,676 INFO L274 CegarLoopResult]: For program point testEXIT(lines 470 535) no Hoare annotation was computed. [2020-10-29 11:24:12,676 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 834 835) no Hoare annotation was computed. [2020-10-29 11:24:12,676 INFO L274 CegarLoopResult]: For program point L830(lines 830 837) no Hoare annotation was computed. [2020-10-29 11:24:12,676 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 841 842) no Hoare annotation was computed. [2020-10-29 11:24:12,677 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 810 855) no Hoare annotation was computed. [2020-10-29 11:24:12,677 INFO L274 CegarLoopResult]: For program point L824(lines 824 844) no Hoare annotation was computed. [2020-10-29 11:24:12,677 INFO L274 CegarLoopResult]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2020-10-29 11:24:12,677 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 810 855) no Hoare annotation was computed. [2020-10-29 11:24:12,677 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 810 855) no Hoare annotation was computed. [2020-10-29 11:24:12,677 INFO L274 CegarLoopResult]: For program point L841(lines 841 842) no Hoare annotation was computed. [2020-10-29 11:24:12,677 INFO L274 CegarLoopResult]: For program point L834(lines 834 835) no Hoare annotation was computed. [2020-10-29 11:24:12,677 INFO L274 CegarLoopResult]: For program point L205(lines 205 213) no Hoare annotation was computed. [2020-10-29 11:24:12,677 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 213) no Hoare annotation was computed. [2020-10-29 11:24:12,678 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 197 219) no Hoare annotation was computed. [2020-10-29 11:24:12,678 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 197 219) no Hoare annotation was computed. [2020-10-29 11:24:12,678 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 197 219) no Hoare annotation was computed. [2020-10-29 11:24:12,678 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 231 240) no Hoare annotation was computed. [2020-10-29 11:24:12,678 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 231 240) no Hoare annotation was computed. [2020-10-29 11:24:12,678 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 231 240) no Hoare annotation was computed. [2020-10-29 11:24:12,678 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 707 809) no Hoare annotation was computed. [2020-10-29 11:24:12,678 INFO L274 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-10-29 11:24:12,678 INFO L274 CegarLoopResult]: For program point L795(lines 795 806) no Hoare annotation was computed. [2020-10-29 11:24:12,678 INFO L274 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-10-29 11:24:12,679 INFO L274 CegarLoopResult]: For program point L756-2(lines 756 776) no Hoare annotation was computed. [2020-10-29 11:24:12,679 INFO L274 CegarLoopResult]: For program point L777(lines 755 778) no Hoare annotation was computed. [2020-10-29 11:24:12,679 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 707 809) no Hoare annotation was computed. [2020-10-29 11:24:12,679 INFO L274 CegarLoopResult]: For program point L736(lines 736 752) no Hoare annotation was computed. [2020-10-29 11:24:12,679 INFO L274 CegarLoopResult]: For program point L796(lines 796 803) no Hoare annotation was computed. [2020-10-29 11:24:12,679 INFO L274 CegarLoopResult]: For program point L757(lines 756 776) no Hoare annotation was computed. [2020-10-29 11:24:12,679 INFO L274 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-10-29 11:24:12,679 INFO L274 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-10-29 11:24:12,679 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 707 809) no Hoare annotation was computed. [2020-10-29 11:24:12,679 INFO L274 CegarLoopResult]: For program point L753(lines 753 794) no Hoare annotation was computed. [2020-10-29 11:24:12,679 INFO L274 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-10-29 11:24:12,680 INFO L274 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-10-29 11:24:12,680 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,680 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-29 11:24:12,680 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,680 INFO L274 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-10-29 11:24:12,680 INFO L274 CegarLoopResult]: For program point L384-1(lines 373 389) no Hoare annotation was computed. [2020-10-29 11:24:12,681 INFO L274 CegarLoopResult]: For program point L380(lines 380 386) no Hoare annotation was computed. [2020-10-29 11:24:12,681 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 373 389) no Hoare annotation was computed. [2020-10-29 11:24:12,681 INFO L274 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-10-29 11:24:12,681 INFO L274 CegarLoopResult]: For program point L378-1(line 378) no Hoare annotation was computed. [2020-10-29 11:24:12,681 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 373 389) no Hoare annotation was computed. [2020-10-29 11:24:12,681 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 220 228) no Hoare annotation was computed. [2020-10-29 11:24:12,681 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 220 228) no Hoare annotation was computed. [2020-10-29 11:24:12,681 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2020-10-29 11:24:12,681 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-29 11:24:12,681 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2020-10-29 11:24:12,682 INFO L274 CegarLoopResult]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2020-10-29 11:24:12,682 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,682 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,682 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,682 INFO L270 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-29 11:24:12,682 INFO L270 CegarLoopResult]: At program point L319(lines 319 325) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,682 INFO L270 CegarLoopResult]: At program point L314(line 314) the Hoare annotation is: (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0))) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,682 INFO L274 CegarLoopResult]: For program point L312(lines 311 330) no Hoare annotation was computed. [2020-10-29 11:24:12,682 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 308 331) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-29 11:24:12,683 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 308 331) no Hoare annotation was computed. [2020-10-29 11:24:12,683 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 308 331) no Hoare annotation was computed. [2020-10-29 11:24:12,683 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-29 11:24:12,683 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2020-10-29 11:24:12,683 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-29 11:24:12,683 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-29 11:24:12,683 INFO L270 CegarLoopResult]: At program point L58-1(lines 58 62) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,683 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-29 11:24:12,683 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,684 INFO L270 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-29 11:24:12,684 INFO L274 CegarLoopResult]: For program point L50-1(line 50) no Hoare annotation was computed. [2020-10-29 11:24:12,684 INFO L277 CegarLoopResult]: At program point L69(lines 44 73) the Hoare annotation is: true [2020-10-29 11:24:12,684 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2020-10-29 11:24:12,684 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2020-10-29 11:24:12,684 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2020-10-29 11:24:12,684 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: true [2020-10-29 11:24:12,684 INFO L274 CegarLoopResult]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2020-10-29 11:24:12,684 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2020-10-29 11:24:12,685 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2020-10-29 11:24:12,685 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2020-10-29 11:24:12,685 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,685 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-29 11:24:12,685 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 11:24:12,685 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,685 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2020-10-29 11:24:12,685 INFO L274 CegarLoopResult]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2020-10-29 11:24:12,685 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-29 11:24:12,685 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 293 300) no Hoare annotation was computed. [2020-10-29 11:24:12,686 INFO L274 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-10-29 11:24:12,686 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 293 300) the Hoare annotation is: true [2020-10-29 11:24:12,686 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 293 300) no Hoare annotation was computed. [2020-10-29 11:24:12,686 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 267 291) the Hoare annotation is: true [2020-10-29 11:24:12,686 INFO L270 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-29 11:24:12,686 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 267 291) no Hoare annotation was computed. [2020-10-29 11:24:12,686 INFO L274 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2020-10-29 11:24:12,686 INFO L270 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-10-29 11:24:12,686 INFO L274 CegarLoopResult]: For program point L277-1(line 277) no Hoare annotation was computed. [2020-10-29 11:24:12,687 INFO L274 CegarLoopResult]: For program point L275(lines 275 288) no Hoare annotation was computed. [2020-10-29 11:24:12,687 INFO L274 CegarLoopResult]: For program point L275-1(lines 267 291) no Hoare annotation was computed. [2020-10-29 11:24:12,687 INFO L277 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: true [2020-10-29 11:24:12,687 INFO L274 CegarLoopResult]: For program point L273-1(line 273) no Hoare annotation was computed. [2020-10-29 11:24:12,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:24:12 BoogieIcfgContainer [2020-10-29 11:24:12,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:24:12,706 INFO L168 Benchmark]: Toolchain (without parser) took 44798.91 ms. Allocated memory was 164.6 MB in the beginning and 595.6 MB in the end (delta: 431.0 MB). Free memory was 139.0 MB in the beginning and 266.0 MB in the end (delta: -127.0 MB). Peak memory consumption was 357.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:12,708 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 99.0 MB in the beginning and 98.9 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:24:12,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.76 ms. Allocated memory is still 164.6 MB. Free memory was 138.4 MB in the beginning and 118.3 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:12,709 INFO L168 Benchmark]: Boogie Preprocessor took 171.62 ms. Allocated memory is still 164.6 MB. Free memory was 118.3 MB in the beginning and 114.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:12,710 INFO L168 Benchmark]: RCFGBuilder took 1336.25 ms. Allocated memory is still 164.6 MB. Free memory was 114.3 MB in the beginning and 109.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:12,711 INFO L168 Benchmark]: TraceAbstraction took 42563.49 ms. Allocated memory was 164.6 MB in the beginning and 595.6 MB in the end (delta: 431.0 MB). Free memory was 109.4 MB in the beginning and 266.0 MB in the end (delta: -156.6 MB). Peak memory consumption was 326.7 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:12,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 99.0 MB in the beginning and 98.9 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 714.76 ms. Allocated memory is still 164.6 MB. Free memory was 138.4 MB in the beginning and 118.3 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 171.62 ms. Allocated memory is still 164.6 MB. Free memory was 118.3 MB in the beginning and 114.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1336.25 ms. Allocated memory is still 164.6 MB. Free memory was 114.3 MB in the beginning and 109.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 42563.49 ms. Allocated memory was 164.6 MB in the beginning and 595.6 MB in the end (delta: 431.0 MB). Free memory was 109.4 MB in the beginning and 266.0 MB in the end (delta: -156.6 MB). Peak memory consumption was 326.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 841]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 834]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 880]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 887]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || methaneLevelCritical == 0) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 229 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 294 SDtfs, 644 SDslu, 300 SDs, 0 SdLazy, 1393 SolverSat, 418 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 212 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 464 PreInvPairs, 612 NumberOfFragments, 758 HoareAnnotationTreeSize, 464 FomulaSimplifications, 43929 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 52 FomulaSimplificationsInter, 17342 FormulaSimplificationTreeSizeReductionInter, 12.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 54296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...