/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:24:39,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 20:24:39,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 20:24:40,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 20:24:40,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:24:40,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:24:40,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:24:40,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:24:40,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:24:40,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:24:40,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:24:40,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:24:40,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:24:40,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:24:40,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:24:40,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:24:40,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:24:40,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:24:40,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:24:40,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:24:40,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:24:40,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:24:40,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:24:40,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:24:40,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 20:24:40,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 20:24:40,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 20:24:40,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 20:24:40,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 20:24:40,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 20:24:40,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 20:24:40,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 20:24:40,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 20:24:40,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 20:24:40,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 20:24:40,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 20:24:40,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 20:24:40,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 20:24:40,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:24:40,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:24:40,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:24:40,094 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 [2020-08-21 20:24:40,130 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:24:40,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:24:40,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:24:40,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:24:40,132 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:24:40,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:24:40,133 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:24:40,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:24:40,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:24:40,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:24:40,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:24:40,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:24:40,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:24:40,135 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:24:40,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:24:40,136 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:24:40,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:24:40,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:24:40,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:24:40,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:24:40,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:24:40,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:24:40,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:24:40,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:24:40,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:24:40,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:24:40,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:24:40,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:24:40,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:24:40,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:24:40,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:24:40,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:24:40,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:24:40,480 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:24:40,480 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:24:40,481 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-08-21 20:24:40,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96255cf61/aafed72d4dbf4e1eb631dc75794805eb/FLAG4bd1e8802 [2020-08-21 20:24:41,109 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:24:41,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-08-21 20:24:41,129 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96255cf61/aafed72d4dbf4e1eb631dc75794805eb/FLAG4bd1e8802 [2020-08-21 20:24:41,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96255cf61/aafed72d4dbf4e1eb631dc75794805eb [2020-08-21 20:24:41,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:24:41,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:24:41,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:24:41,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:24:41,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:24:41,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:24:41" (1/1) ... [2020-08-21 20:24:41,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30847a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:41, skipping insertion in model container [2020-08-21 20:24:41,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:24:41" (1/1) ... [2020-08-21 20:24:41,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:24:41,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:24:41,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:24:41,842 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:24:41,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:24:42,027 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:24:42,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:42 WrapperNode [2020-08-21 20:24:42,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:24:42,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:24:42,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:24:42,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:24:42,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:42" (1/1) ... [2020-08-21 20:24:42,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:42" (1/1) ... [2020-08-21 20:24:42,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:42" (1/1) ... [2020-08-21 20:24:42,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:42" (1/1) ... [2020-08-21 20:24:42,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:42" (1/1) ... [2020-08-21 20:24:42,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:42" (1/1) ... [2020-08-21 20:24:42,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:42" (1/1) ... [2020-08-21 20:24:42,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:24:42,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:24:42,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:24:42,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:24:42,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:42" (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 [2020-08-21 20:24:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:24:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:24:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 20:24:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 20:24:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 20:24:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 20:24:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 20:24:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 20:24:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 20:24:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 20:24:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 20:24:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 20:24:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 20:24:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 20:24:42,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 20:24:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 20:24:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 20:24:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 20:24:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 20:24:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:24:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 20:24:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 20:24:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 20:24:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 20:24:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 20:24:42,218 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 20:24:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 20:24:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 20:24:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 20:24:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-21 20:24:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 20:24:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 20:24:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 20:24:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 20:24:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 20:24:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:24:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:24:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 20:24:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 20:24:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 20:24:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 20:24:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 20:24:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 20:24:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 20:24:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 20:24:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 20:24:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 20:24:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 20:24:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 20:24:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 20:24:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 20:24:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 20:24:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 20:24:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 20:24:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 20:24:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 20:24:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 20:24:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 20:24:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 20:24:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 20:24:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 20:24:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 20:24:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 20:24:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 20:24:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 20:24:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 20:24:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 20:24:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 20:24:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 20:24:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 20:24:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 20:24:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:24:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 20:24:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 20:24:42,228 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 20:24:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-21 20:24:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 20:24:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 20:24:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 20:24:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 20:24:42,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 20:24:42,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:24:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 20:24:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:24:43,274 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:24:43,274 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 20:24:43,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:24:43 BoogieIcfgContainer [2020-08-21 20:24:43,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:24:43,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:24:43,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:24:43,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:24:43,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:24:41" (1/3) ... [2020-08-21 20:24:43,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5185c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:24:43, skipping insertion in model container [2020-08-21 20:24:43,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:24:42" (2/3) ... [2020-08-21 20:24:43,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5185c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:24:43, skipping insertion in model container [2020-08-21 20:24:43,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:24:43" (3/3) ... [2020-08-21 20:24:43,288 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2020-08-21 20:24:43,299 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:24:43,307 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:24:43,323 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:24:43,349 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:24:43,349 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:24:43,350 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:24:43,350 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:24:43,350 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:24:43,350 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:24:43,351 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:24:43,351 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:24:43,373 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2020-08-21 20:24:43,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 20:24:43,383 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:43,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:24:43,385 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:43,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:43,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1732377001, now seen corresponding path program 1 times [2020-08-21 20:24:43,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:43,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757417531] [2020-08-21 20:24:43,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:44,053 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:44,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:44,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:44,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:44,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:44,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:44,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 20:24:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:44,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 20:24:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:44,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757417531] [2020-08-21 20:24:44,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:44,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 20:24:44,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192468026] [2020-08-21 20:24:44,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 20:24:44,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:44,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 20:24:44,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 20:24:44,186 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 3 states. [2020-08-21 20:24:45,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:45,241 INFO L93 Difference]: Finished difference Result 243 states and 321 transitions. [2020-08-21 20:24:45,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 20:24:45,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 20:24:45,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:45,259 INFO L225 Difference]: With dead ends: 243 [2020-08-21 20:24:45,260 INFO L226 Difference]: Without dead ends: 132 [2020-08-21 20:24:45,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 20:24:45,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-08-21 20:24:45,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2020-08-21 20:24:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-21 20:24:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-08-21 20:24:45,352 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2020-08-21 20:24:45,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:45,353 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-08-21 20:24:45,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 20:24:45,353 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-08-21 20:24:45,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 20:24:45,356 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:45,356 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] [2020-08-21 20:24:45,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:24:45,357 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:45,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:45,358 INFO L82 PathProgramCache]: Analyzing trace with hash -649161626, now seen corresponding path program 1 times [2020-08-21 20:24:45,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:45,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674686148] [2020-08-21 20:24:45,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,682 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 20:24:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:24:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:45,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674686148] [2020-08-21 20:24:45,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:45,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 20:24:45,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50859533] [2020-08-21 20:24:45,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 20:24:45,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:45,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 20:24:45,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 20:24:45,769 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 4 states. [2020-08-21 20:24:46,201 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:46,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:46,756 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2020-08-21 20:24:46,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 20:24:46,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 20:24:46,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:46,760 INFO L225 Difference]: With dead ends: 176 [2020-08-21 20:24:46,760 INFO L226 Difference]: Without dead ends: 116 [2020-08-21 20:24:46,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:24:46,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-21 20:24:46,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-21 20:24:46,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-21 20:24:46,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2020-08-21 20:24:46,794 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2020-08-21 20:24:46,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:46,794 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2020-08-21 20:24:46,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 20:24:46,794 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2020-08-21 20:24:46,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 20:24:46,796 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:46,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:24:46,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:24:46,797 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:46,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:46,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1083619530, now seen corresponding path program 1 times [2020-08-21 20:24:46,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:46,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709880241] [2020-08-21 20:24:46,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,117 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:47,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:24:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 20:24:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:47,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709880241] [2020-08-21 20:24:47,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:47,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 20:24:47,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127872945] [2020-08-21 20:24:47,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:24:47,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:47,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:24:47,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:24:47,228 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 8 states. [2020-08-21 20:24:47,628 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:47,928 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:48,178 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:48,427 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:49,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:49,308 INFO L93 Difference]: Finished difference Result 185 states and 226 transitions. [2020-08-21 20:24:49,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 20:24:49,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-21 20:24:49,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:49,311 INFO L225 Difference]: With dead ends: 185 [2020-08-21 20:24:49,311 INFO L226 Difference]: Without dead ends: 116 [2020-08-21 20:24:49,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:24:49,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-21 20:24:49,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-21 20:24:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-21 20:24:49,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2020-08-21 20:24:49,346 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2020-08-21 20:24:49,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:49,347 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2020-08-21 20:24:49,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:24:49,347 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2020-08-21 20:24:49,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 20:24:49,349 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:49,349 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] [2020-08-21 20:24:49,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:24:49,350 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:49,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:49,350 INFO L82 PathProgramCache]: Analyzing trace with hash 285215055, now seen corresponding path program 1 times [2020-08-21 20:24:49,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:49,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883405042] [2020-08-21 20:24:49,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:49,709 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:49,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:49,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:49,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:49,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:49,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:49,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-21 20:24:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:49,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:49,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 20:24:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:49,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 20:24:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:49,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:49,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [883405042] [2020-08-21 20:24:49,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:49,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 20:24:49,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991004871] [2020-08-21 20:24:49,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 20:24:49,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:49,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 20:24:49,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:24:49,841 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 12 states. [2020-08-21 20:24:50,338 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:50,672 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:50,964 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:51,204 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:51,751 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:24:52,438 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:52,804 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:24:53,075 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:24:53,355 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:53,615 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 20:24:53,941 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:24:54,192 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:24:54,440 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 20:24:55,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:55,306 INFO L93 Difference]: Finished difference Result 352 states and 470 transitions. [2020-08-21 20:24:55,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 20:24:55,306 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-08-21 20:24:55,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:55,310 INFO L225 Difference]: With dead ends: 352 [2020-08-21 20:24:55,311 INFO L226 Difference]: Without dead ends: 283 [2020-08-21 20:24:55,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-21 20:24:55,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-08-21 20:24:55,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 218. [2020-08-21 20:24:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-08-21 20:24:55,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2020-08-21 20:24:55,373 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 59 [2020-08-21 20:24:55,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:55,374 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2020-08-21 20:24:55,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 20:24:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2020-08-21 20:24:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-21 20:24:55,376 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:55,376 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, 1] [2020-08-21 20:24:55,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:24:55,376 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:55,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:55,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1313856779, now seen corresponding path program 1 times [2020-08-21 20:24:55,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:55,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704433291] [2020-08-21 20:24:55,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:55,636 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:55,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:55,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:55,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:55,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:55,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 20:24:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:55,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:24:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:55,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:55,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 20:24:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:55,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 20:24:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:24:55,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704433291] [2020-08-21 20:24:55,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:24:55,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 20:24:55,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114468178] [2020-08-21 20:24:55,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 20:24:55,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:55,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 20:24:55,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 20:24:55,750 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand 6 states. [2020-08-21 20:24:56,072 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:56,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:56,557 INFO L93 Difference]: Finished difference Result 357 states and 437 transitions. [2020-08-21 20:24:56,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:24:56,563 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-08-21 20:24:56,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:56,565 INFO L225 Difference]: With dead ends: 357 [2020-08-21 20:24:56,565 INFO L226 Difference]: Without dead ends: 163 [2020-08-21 20:24:56,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:24:56,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-08-21 20:24:56,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2020-08-21 20:24:56,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-08-21 20:24:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2020-08-21 20:24:56,602 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 63 [2020-08-21 20:24:56,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:56,602 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2020-08-21 20:24:56,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 20:24:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2020-08-21 20:24:56,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-21 20:24:56,604 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:24:56,605 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:24:56,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:24:56,605 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:24:56,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:24:56,605 INFO L82 PathProgramCache]: Analyzing trace with hash -670473657, now seen corresponding path program 1 times [2020-08-21 20:24:56,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:24:56,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953785710] [2020-08-21 20:24:56,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:24:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:56,866 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:24:56,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:24:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:56,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:24:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:56,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:24:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:56,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:24:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:56,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:24:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:56,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 20:24:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:56,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 20:24:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:24:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 20:24:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 20:24:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-21 20:24:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 20:24:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-21 20:24:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-21 20:24:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:24:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 20:24:57,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953785710] [2020-08-21 20:24:57,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:24:57,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 20:24:57,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639598362] [2020-08-21 20:24:57,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:24:57,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:24:57,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:24:57,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:24:57,094 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 10 states. [2020-08-21 20:24:57,671 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-21 20:24:58,208 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 20:24:58,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:24:58,756 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2020-08-21 20:24:58,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 20:24:58,756 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-08-21 20:24:58,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:24:58,757 INFO L225 Difference]: With dead ends: 203 [2020-08-21 20:24:58,758 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 20:24:58,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-21 20:24:58,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 20:24:58,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 20:24:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 20:24:58,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 20:24:58,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-08-21 20:24:58,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:24:58,760 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 20:24:58,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:24:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 20:24:58,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 20:24:58,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 20:24:58,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 20:25:01,258 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 20:25:01,679 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 20:25:02,092 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 20:25:02,225 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 20:25:02,627 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 20:25:03,247 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-21 20:25:03,381 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 20:25:03,522 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-21 20:25:04,131 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-21 20:25:04,516 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-21 20:25:05,051 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-21 20:25:05,632 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 20:25:06,221 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-21 20:25:06,416 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 20:25:06,806 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 20:25:07,201 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 20:25:07,589 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 20:25:08,003 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 20:25:08,142 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 20:25:08,764 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 20:25:09,375 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 20:25:09,430 INFO L268 CegarLoopResult]: For program point L225(lines 202 226) no Hoare annotation was computed. [2020-08-21 20:25:09,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2020-08-21 20:25:09,430 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-08-21 20:25:09,430 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-08-21 20:25:09,430 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-21 20:25:09,430 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2020-08-21 20:25:09,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2020-08-21 20:25:09,431 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2020-08-21 20:25:09,431 INFO L268 CegarLoopResult]: For program point L286(lines 259 287) no Hoare annotation was computed. [2020-08-21 20:25:09,431 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-21 20:25:09,431 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-08-21 20:25:09,431 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2020-08-21 20:25:09,431 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2020-08-21 20:25:09,431 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-08-21 20:25:09,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2020-08-21 20:25:09,432 INFO L268 CegarLoopResult]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2020-08-21 20:25:09,432 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-08-21 20:25:09,432 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2020-08-21 20:25:09,433 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 850 856) the Hoare annotation is: true [2020-08-21 20:25:09,433 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 850 856) no Hoare annotation was computed. [2020-08-21 20:25:09,433 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 857 865) no Hoare annotation was computed. [2020-08-21 20:25:09,433 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 857 865) the Hoare annotation is: true [2020-08-21 20:25:09,433 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 857 865) no Hoare annotation was computed. [2020-08-21 20:25:09,433 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 797 821) the Hoare annotation is: true [2020-08-21 20:25:09,433 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 797 821) no Hoare annotation was computed. [2020-08-21 20:25:09,433 INFO L264 CegarLoopResult]: At program point L811(line 811) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 20:25:09,433 INFO L268 CegarLoopResult]: For program point L809(lines 809 815) no Hoare annotation was computed. [2020-08-21 20:25:09,434 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 20:25:09,434 INFO L268 CegarLoopResult]: For program point L807-1(line 807) no Hoare annotation was computed. [2020-08-21 20:25:09,434 INFO L268 CegarLoopResult]: For program point L805(lines 805 818) no Hoare annotation was computed. [2020-08-21 20:25:09,434 INFO L268 CegarLoopResult]: For program point L805-1(lines 797 821) no Hoare annotation was computed. [2020-08-21 20:25:09,434 INFO L271 CegarLoopResult]: At program point L803(line 803) the Hoare annotation is: true [2020-08-21 20:25:09,434 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-08-21 20:25:09,434 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:25:09,434 INFO L264 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:25:09,435 INFO L264 CegarLoopResult]: At program point L576-1(line 576) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:25:09,435 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 570 592) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:25:09,435 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 570 592) no Hoare annotation was computed. [2020-08-21 20:25:09,435 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 570 592) no Hoare annotation was computed. [2020-08-21 20:25:09,435 INFO L264 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: (or (and (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:09,435 INFO L264 CegarLoopResult]: At program point L582-1(line 582) the Hoare annotation is: (or (and (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:09,436 INFO L268 CegarLoopResult]: For program point L580(lines 580 587) no Hoare annotation was computed. [2020-08-21 20:25:09,436 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 587) no Hoare annotation was computed. [2020-08-21 20:25:09,436 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-21 20:25:09,436 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 525 548) no Hoare annotation was computed. [2020-08-21 20:25:09,436 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-08-21 20:25:09,436 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-21 20:25:09,436 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 20:25:09,437 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 525 548) no Hoare annotation was computed. [2020-08-21 20:25:09,437 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-08-21 20:25:09,437 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 525 548) no Hoare annotation was computed. [2020-08-21 20:25:09,437 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-21 20:25:09,437 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 20:25:09,437 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-08-21 20:25:09,437 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-21 20:25:09,437 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 20:25:09,437 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-08-21 20:25:09,438 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-21 20:25:09,438 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 20:25:09,438 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-21 20:25:09,438 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-21 20:25:09,438 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 750 758) no Hoare annotation was computed. [2020-08-21 20:25:09,438 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 750 758) the Hoare annotation is: true [2020-08-21 20:25:09,438 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 750 758) no Hoare annotation was computed. [2020-08-21 20:25:09,438 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-08-21 20:25:09,439 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 774) no Hoare annotation was computed. [2020-08-21 20:25:09,439 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-08-21 20:25:09,439 INFO L268 CegarLoopResult]: For program point L789-1(line 789) no Hoare annotation was computed. [2020-08-21 20:25:09,439 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 759 794) no Hoare annotation was computed. [2020-08-21 20:25:09,439 INFO L268 CegarLoopResult]: For program point L778(lines 778 786) no Hoare annotation was computed. [2020-08-21 20:25:09,439 INFO L268 CegarLoopResult]: For program point L778-2(lines 778 786) no Hoare annotation was computed. [2020-08-21 20:25:09,439 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 759 794) no Hoare annotation was computed. [2020-08-21 20:25:09,439 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 759 794) no Hoare annotation was computed. [2020-08-21 20:25:09,439 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 843 849) no Hoare annotation was computed. [2020-08-21 20:25:09,439 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 843 849) the Hoare annotation is: true [2020-08-21 20:25:09,440 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2020-08-21 20:25:09,440 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2020-08-21 20:25:09,440 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2020-08-21 20:25:09,440 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2020-08-21 20:25:09,440 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-08-21 20:25:09,440 INFO L268 CegarLoopResult]: For program point L459(lines 459 479) no Hoare annotation was computed. [2020-08-21 20:25:09,440 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2020-08-21 20:25:09,440 INFO L268 CegarLoopResult]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2020-08-21 20:25:09,440 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2020-08-21 20:25:09,441 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 557 566) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:25:09,441 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 557 566) no Hoare annotation was computed. [2020-08-21 20:25:09,441 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 557 566) no Hoare annotation was computed. [2020-08-21 20:25:09,441 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 739 749) the Hoare annotation is: true [2020-08-21 20:25:09,441 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 739 749) no Hoare annotation was computed. [2020-08-21 20:25:09,441 INFO L271 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: true [2020-08-21 20:25:09,441 INFO L268 CegarLoopResult]: For program point L744-1(line 744) no Hoare annotation was computed. [2020-08-21 20:25:09,442 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 739 749) no Hoare annotation was computed. [2020-08-21 20:25:09,442 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 731 738) the Hoare annotation is: true [2020-08-21 20:25:09,442 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 731 738) no Hoare annotation was computed. [2020-08-21 20:25:09,442 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 731 738) no Hoare annotation was computed. [2020-08-21 20:25:09,442 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 20:25:09,442 INFO L268 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-08-21 20:25:09,442 INFO L268 CegarLoopResult]: For program point L702(lines 702 719) no Hoare annotation was computed. [2020-08-21 20:25:09,443 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 698 722) no Hoare annotation was computed. [2020-08-21 20:25:09,443 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 698 722) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 20:25:09,443 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 20:25:09,443 INFO L268 CegarLoopResult]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2020-08-21 20:25:09,443 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 20:25:09,443 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 20:25:09,443 INFO L268 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2020-08-21 20:25:09,444 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2020-08-21 20:25:09,444 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2020-08-21 20:25:09,444 INFO L268 CegarLoopResult]: For program point L640(lines 640 644) no Hoare annotation was computed. [2020-08-21 20:25:09,444 INFO L264 CegarLoopResult]: At program point testENTRY(lines 594 657) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 20:25:09,444 INFO L264 CegarLoopResult]: At program point L640-2(lines 634 645) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 20:25:09,444 INFO L268 CegarLoopResult]: For program point L605(lines 604 649) no Hoare annotation was computed. [2020-08-21 20:25:09,444 INFO L268 CegarLoopResult]: For program point L634(lines 634 645) no Hoare annotation was computed. [2020-08-21 20:25:09,445 INFO L268 CegarLoopResult]: For program point testFINAL(lines 594 657) no Hoare annotation was computed. [2020-08-21 20:25:09,445 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 20:25:09,445 INFO L268 CegarLoopResult]: For program point L624(lines 624 630) no Hoare annotation was computed. [2020-08-21 20:25:09,445 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 630) no Hoare annotation was computed. [2020-08-21 20:25:09,445 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 20:25:09,445 INFO L264 CegarLoopResult]: At program point L647(lines 604 649) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 20:25:09,445 INFO L268 CegarLoopResult]: For program point L614(lines 614 620) no Hoare annotation was computed. [2020-08-21 20:25:09,446 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2020-08-21 20:25:09,446 INFO L268 CegarLoopResult]: For program point L606(lines 606 610) no Hoare annotation was computed. [2020-08-21 20:25:09,446 INFO L264 CegarLoopResult]: At program point L650(lines 603 651) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 20:25:09,446 INFO L268 CegarLoopResult]: For program point testEXIT(lines 594 657) no Hoare annotation was computed. [2020-08-21 20:25:09,446 INFO L268 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-08-21 20:25:09,446 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-08-21 20:25:09,446 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2020-08-21 20:25:09,447 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2020-08-21 20:25:09,447 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2020-08-21 20:25:09,447 INFO L268 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-08-21 20:25:09,447 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-21 20:25:09,447 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-21 20:25:09,447 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-21 20:25:09,447 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-21 20:25:09,447 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-21 20:25:09,448 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-08-21 20:25:09,448 INFO L268 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-08-21 20:25:09,448 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2020-08-21 20:25:09,448 INFO L268 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-08-21 20:25:09,448 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2020-08-21 20:25:09,448 INFO L268 CegarLoopResult]: For program point L366(lines 344 367) no Hoare annotation was computed. [2020-08-21 20:25:09,448 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2020-08-21 20:25:09,448 INFO L268 CegarLoopResult]: For program point L325(lines 325 341) no Hoare annotation was computed. [2020-08-21 20:25:09,448 INFO L268 CegarLoopResult]: For program point L385(lines 385 392) no Hoare annotation was computed. [2020-08-21 20:25:09,449 INFO L268 CegarLoopResult]: For program point L346(lines 345 365) no Hoare annotation was computed. [2020-08-21 20:25:09,449 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-08-21 20:25:09,449 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-08-21 20:25:09,449 INFO L268 CegarLoopResult]: For program point L342(lines 342 383) no Hoare annotation was computed. [2020-08-21 20:25:09,449 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2020-08-21 20:25:09,449 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-21 20:25:09,449 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-08-21 20:25:09,449 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 833 842) no Hoare annotation was computed. [2020-08-21 20:25:09,449 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 833 842) no Hoare annotation was computed. [2020-08-21 20:25:09,449 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 833 842) no Hoare annotation was computed. [2020-08-21 20:25:09,450 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:25:09,450 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 20:25:09,450 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:25:09,450 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 723 730) no Hoare annotation was computed. [2020-08-21 20:25:09,450 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 723 730) no Hoare annotation was computed. [2020-08-21 20:25:09,451 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 723 730) no Hoare annotation was computed. [2020-08-21 20:25:09,451 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-21 20:25:09,451 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-21 20:25:09,451 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-21 20:25:09,451 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-21 20:25:09,451 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-21 20:25:09,451 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-21 20:25:09,451 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:25:09,451 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 20:25:09,452 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:25:09,452 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-21 20:25:09,452 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-21 20:25:09,452 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-21 20:25:09,452 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-21 20:25:09,452 INFO L268 CegarLoopResult]: For program point L670(lines 669 688) no Hoare annotation was computed. [2020-08-21 20:25:09,452 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 20:25:09,453 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2020-08-21 20:25:09,453 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 20:25:09,453 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 666 689) no Hoare annotation was computed. [2020-08-21 20:25:09,453 INFO L264 CegarLoopResult]: At program point L677(lines 677 683) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 20:25:09,453 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2020-08-21 20:25:09,453 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2020-08-21 20:25:09,453 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-08-21 20:25:09,453 INFO L271 CegarLoopResult]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2020-08-21 20:25:09,454 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 20:25:09,454 INFO L271 CegarLoopResult]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2020-08-21 20:25:09,454 INFO L271 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: true [2020-08-21 20:25:09,454 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-08-21 20:25:09,454 INFO L271 CegarLoopResult]: At program point L519(lines 494 523) the Hoare annotation is: true [2020-08-21 20:25:09,454 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-21 20:25:09,454 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-21 20:25:09,454 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-21 20:25:09,455 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-21 20:25:09,455 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 549 555) no Hoare annotation was computed. [2020-08-21 20:25:09,455 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 549 555) the Hoare annotation is: true [2020-08-21 20:25:09,455 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:25:09,455 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 20:25:09,455 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 20:25:09,455 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:25:09,456 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-21 20:25:09,456 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-21 20:25:09,456 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-21 20:25:09,456 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 823 830) no Hoare annotation was computed. [2020-08-21 20:25:09,456 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2020-08-21 20:25:09,456 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 823 830) the Hoare annotation is: true [2020-08-21 20:25:09,456 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 823 830) no Hoare annotation was computed. [2020-08-21 20:25:09,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 08:25:09 BoogieIcfgContainer [2020-08-21 20:25:09,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 20:25:09,478 INFO L168 Benchmark]: Toolchain (without parser) took 28094.78 ms. Allocated memory was 146.8 MB in the beginning and 637.5 MB in the end (delta: 490.7 MB). Free memory was 100.7 MB in the beginning and 565.6 MB in the end (delta: -464.8 MB). Peak memory consumption was 490.1 MB. Max. memory is 7.1 GB. [2020-08-21 20:25:09,478 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 20:25:09,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.03 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 100.5 MB in the beginning and 170.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-08-21 20:25:09,480 INFO L168 Benchmark]: Boogie Preprocessor took 91.77 ms. Allocated memory is still 203.4 MB. Free memory was 170.8 MB in the beginning and 166.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-08-21 20:25:09,481 INFO L168 Benchmark]: RCFGBuilder took 1159.61 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 200.8 MB in the end (delta: -34.5 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-08-21 20:25:09,482 INFO L168 Benchmark]: TraceAbstraction took 26194.47 ms. Allocated memory was 237.0 MB in the beginning and 637.5 MB in the end (delta: 400.6 MB). Free memory was 200.8 MB in the beginning and 565.6 MB in the end (delta: -364.8 MB). Peak memory consumption was 500.0 MB. Max. memory is 7.1 GB. [2020-08-21 20:25:09,486 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.03 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 100.5 MB in the beginning and 170.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.77 ms. Allocated memory is still 203.4 MB. Free memory was 170.8 MB in the beginning and 166.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1159.61 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 200.8 MB in the end (delta: -34.5 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26194.47 ms. Allocated memory was 237.0 MB in the beginning and 637.5 MB in the end (delta: 400.6 MB). Free memory was 200.8 MB in the beginning and 565.6 MB in the end (delta: -364.8 MB). Peak memory consumption was 500.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 827]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 480 SDtfs, 894 SDslu, 351 SDs, 0 SdLazy, 2150 SolverSat, 559 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 294 PreInvPairs, 314 NumberOfFragments, 967 HoareAnnotationTreeSize, 294 FomulaSimplifications, 41842 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8834 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 358 ConstructedInterpolants, 0 QuantifiedInterpolants, 109608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 24/31 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...