/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 10:23:23,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 10:23:23,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 10:23:23,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 10:23:23,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 10:23:23,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 10:23:23,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 10:23:23,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 10:23:23,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 10:23:23,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 10:23:23,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 10:23:23,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 10:23:23,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 10:23:23,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 10:23:23,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 10:23:23,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 10:23:23,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 10:23:23,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 10:23:23,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 10:23:23,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 10:23:23,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 10:23:23,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 10:23:23,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 10:23:23,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 10:23:23,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 10:23:23,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 10:23:23,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 10:23:23,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 10:23:23,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 10:23:23,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 10:23:23,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 10:23:23,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 10:23:23,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 10:23:23,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 10:23:23,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 10:23:23,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 10:23:23,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 10:23:23,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 10:23:23,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 10:23:23,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 10:23:23,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 10:23:23,159 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 [2020-08-18 10:23:23,213 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 10:23:23,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 10:23:23,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 10:23:23,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 10:23:23,216 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 10:23:23,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 10:23:23,216 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 10:23:23,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 10:23:23,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 10:23:23,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 10:23:23,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 10:23:23,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 10:23:23,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 10:23:23,218 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 10:23:23,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 10:23:23,218 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 10:23:23,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 10:23:23,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 10:23:23,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 10:23:23,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 10:23:23,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 10:23:23,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 10:23:23,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 10:23:23,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 10:23:23,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 10:23:23,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 10:23:23,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 10:23:23,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 10:23:23,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 10:23:23,223 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 -> false [2020-08-18 10:23:23,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 10:23:23,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 10:23:23,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 10:23:23,531 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 10:23:23,532 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 10:23:23,532 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-08-18 10:23:23,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c931b2514/ae6ee707086c40969bc02f6db15bebd9/FLAG5186dcbed [2020-08-18 10:23:24,180 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 10:23:24,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2020-08-18 10:23:24,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c931b2514/ae6ee707086c40969bc02f6db15bebd9/FLAG5186dcbed [2020-08-18 10:23:24,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c931b2514/ae6ee707086c40969bc02f6db15bebd9 [2020-08-18 10:23:24,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 10:23:24,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 10:23:24,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 10:23:24,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 10:23:24,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 10:23:24,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:23:24" (1/1) ... [2020-08-18 10:23:24,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:24, skipping insertion in model container [2020-08-18 10:23:24,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:23:24" (1/1) ... [2020-08-18 10:23:24,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 10:23:24,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 10:23:24,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 10:23:24,966 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 10:23:25,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 10:23:25,073 INFO L208 MainTranslator]: Completed translation [2020-08-18 10:23:25,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:25 WrapperNode [2020-08-18 10:23:25,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 10:23:25,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 10:23:25,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 10:23:25,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 10:23:25,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:25" (1/1) ... [2020-08-18 10:23:25,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:25" (1/1) ... [2020-08-18 10:23:25,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:25" (1/1) ... [2020-08-18 10:23:25,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:25" (1/1) ... [2020-08-18 10:23:25,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:25" (1/1) ... [2020-08-18 10:23:25,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:25" (1/1) ... [2020-08-18 10:23:25,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:25" (1/1) ... [2020-08-18 10:23:25,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 10:23:25,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 10:23:25,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 10:23:25,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 10:23:25,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:25" (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 [2020-08-18 10:23:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 10:23:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 10:23:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 10:23:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 10:23:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 10:23:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 10:23:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 10:23:25,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 10:23:25,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 10:23:25,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 10:23:25,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 10:23:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 10:23:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 10:23:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 10:23:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 10:23:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 10:23:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 10:23:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 10:23:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 10:23:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 10:23:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 10:23:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 10:23:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 10:23:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 10:23:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 10:23:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 10:23:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 10:23:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 10:23:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 10:23:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 10:23:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 10:23:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 10:23:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 10:23:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 10:23:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 10:23:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 10:23:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 10:23:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 10:23:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 10:23:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 10:23:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 10:23:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 10:23:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 10:23:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 10:23:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 10:23:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 10:23:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 10:23:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 10:23:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 10:23:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 10:23:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 10:23:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 10:23:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 10:23:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 10:23:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 10:23:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 10:23:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 10:23:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 10:23:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 10:23:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 10:23:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 10:23:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 10:23:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 10:23:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 10:23:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 10:23:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 10:23:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 10:23:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 10:23:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 10:23:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 10:23:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 10:23:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 10:23:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 10:23:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 10:23:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 10:23:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 10:23:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 10:23:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 10:23:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 10:23:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 10:23:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 10:23:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 10:23:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 10:23:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 10:23:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 10:23:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 10:23:26,225 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 10:23:26,226 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 10:23:26,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:23:26 BoogieIcfgContainer [2020-08-18 10:23:26,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 10:23:26,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 10:23:26,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 10:23:26,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 10:23:26,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:23:24" (1/3) ... [2020-08-18 10:23:26,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7505f658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:23:26, skipping insertion in model container [2020-08-18 10:23:26,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:23:25" (2/3) ... [2020-08-18 10:23:26,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7505f658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:23:26, skipping insertion in model container [2020-08-18 10:23:26,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:23:26" (3/3) ... [2020-08-18 10:23:26,239 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2020-08-18 10:23:26,250 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 10:23:26,258 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 10:23:26,272 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 10:23:26,297 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 10:23:26,297 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 10:23:26,297 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 10:23:26,297 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 10:23:26,298 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 10:23:26,298 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 10:23:26,298 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 10:23:26,298 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 10:23:26,320 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-08-18 10:23:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 10:23:26,330 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:26,331 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] [2020-08-18 10:23:26,331 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:26,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:26,338 INFO L82 PathProgramCache]: Analyzing trace with hash -32218829, now seen corresponding path program 1 times [2020-08-18 10:23:26,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:26,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812515904] [2020-08-18 10:23:26,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:26,993 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:26,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:27,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:27,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:27,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:27,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:27,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 10:23:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:27,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 10:23:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:23:27,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812515904] [2020-08-18 10:23:27,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:27,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 10:23:27,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093794910] [2020-08-18 10:23:27,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 10:23:27,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:27,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 10:23:27,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 10:23:27,143 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-08-18 10:23:28,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:28,130 INFO L93 Difference]: Finished difference Result 243 states and 321 transitions. [2020-08-18 10:23:28,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 10:23:28,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 10:23:28,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:28,146 INFO L225 Difference]: With dead ends: 243 [2020-08-18 10:23:28,146 INFO L226 Difference]: Without dead ends: 132 [2020-08-18 10:23:28,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 10:23:28,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-08-18 10:23:28,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2020-08-18 10:23:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-18 10:23:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-08-18 10:23:28,228 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2020-08-18 10:23:28,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:28,229 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-08-18 10:23:28,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 10:23:28,229 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-08-18 10:23:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 10:23:28,233 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:28,233 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] [2020-08-18 10:23:28,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 10:23:28,234 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:28,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:28,234 INFO L82 PathProgramCache]: Analyzing trace with hash -83452995, now seen corresponding path program 1 times [2020-08-18 10:23:28,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:28,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985014022] [2020-08-18 10:23:28,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:28,610 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:28,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:28,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:28,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:28,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:28,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:28,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 10:23:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:28,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 10:23:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:23:28,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985014022] [2020-08-18 10:23:28,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:28,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 10:23:28,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630178404] [2020-08-18 10:23:28,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 10:23:28,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:28,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 10:23:28,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 10:23:28,690 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 4 states. [2020-08-18 10:23:29,073 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:23:29,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:29,639 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2020-08-18 10:23:29,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 10:23:29,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 10:23:29,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:29,645 INFO L225 Difference]: With dead ends: 176 [2020-08-18 10:23:29,645 INFO L226 Difference]: Without dead ends: 116 [2020-08-18 10:23:29,647 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 [2020-08-18 10:23:29,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-18 10:23:29,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-18 10:23:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-18 10:23:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2020-08-18 10:23:29,680 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2020-08-18 10:23:29,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:29,680 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2020-08-18 10:23:29,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 10:23:29,681 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2020-08-18 10:23:29,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 10:23:29,683 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:29,683 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] [2020-08-18 10:23:29,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 10:23:29,683 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:29,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:29,684 INFO L82 PathProgramCache]: Analyzing trace with hash 474814694, now seen corresponding path program 1 times [2020-08-18 10:23:29,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:29,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233909271] [2020-08-18 10:23:29,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:29,983 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:29,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:30,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:30,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:30,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:30,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:30,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 10:23:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:30,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 10:23:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:23:30,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233909271] [2020-08-18 10:23:30,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:30,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 10:23:30,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787966957] [2020-08-18 10:23:30,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 10:23:30,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:30,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 10:23:30,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 10:23:30,077 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 8 states. [2020-08-18 10:23:30,419 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:30,701 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:30,943 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:31,190 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:32,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:32,027 INFO L93 Difference]: Finished difference Result 185 states and 226 transitions. [2020-08-18 10:23:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 10:23:32,028 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 10:23:32,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:32,030 INFO L225 Difference]: With dead ends: 185 [2020-08-18 10:23:32,031 INFO L226 Difference]: Without dead ends: 116 [2020-08-18 10:23:32,032 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 [2020-08-18 10:23:32,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-18 10:23:32,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-18 10:23:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-18 10:23:32,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2020-08-18 10:23:32,060 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2020-08-18 10:23:32,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:32,060 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2020-08-18 10:23:32,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 10:23:32,061 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2020-08-18 10:23:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 10:23:32,063 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:32,063 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] [2020-08-18 10:23:32,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 10:23:32,063 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:32,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:32,064 INFO L82 PathProgramCache]: Analyzing trace with hash -634354162, now seen corresponding path program 1 times [2020-08-18 10:23:32,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:32,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535083450] [2020-08-18 10:23:32,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:32,428 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:32,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:32,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:32,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:32,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:32,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:32,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 10:23:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:32,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:23:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:32,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 10:23:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:32,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 10:23:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:23:32,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535083450] [2020-08-18 10:23:32,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:32,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 10:23:32,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057405538] [2020-08-18 10:23:32,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 10:23:32,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:32,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 10:23:32,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 10:23:32,568 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 12 states. [2020-08-18 10:23:32,949 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:33,297 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:33,539 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:33,782 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:34,356 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:23:35,072 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:35,442 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:35,741 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:36,004 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:36,285 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 10:23:36,644 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:36,944 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:23:37,185 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:23:38,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:38,172 INFO L93 Difference]: Finished difference Result 352 states and 470 transitions. [2020-08-18 10:23:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 10:23:38,173 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-08-18 10:23:38,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:38,178 INFO L225 Difference]: With dead ends: 352 [2020-08-18 10:23:38,178 INFO L226 Difference]: Without dead ends: 283 [2020-08-18 10:23:38,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 10:23:38,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-08-18 10:23:38,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 218. [2020-08-18 10:23:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-08-18 10:23:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2020-08-18 10:23:38,275 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 59 [2020-08-18 10:23:38,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:38,276 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2020-08-18 10:23:38,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 10:23:38,276 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2020-08-18 10:23:38,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 10:23:38,279 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:38,279 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] [2020-08-18 10:23:38,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 10:23:38,280 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:38,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:38,280 INFO L82 PathProgramCache]: Analyzing trace with hash 234743316, now seen corresponding path program 1 times [2020-08-18 10:23:38,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:38,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051372545] [2020-08-18 10:23:38,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:38,592 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:38,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:38,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:38,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:38,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:38,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 10:23:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:38,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 10:23:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:38,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:23:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:38,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 10:23:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:38,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 10:23:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:23:38,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051372545] [2020-08-18 10:23:38,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:23:38,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 10:23:38,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566194226] [2020-08-18 10:23:38,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 10:23:38,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:38,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 10:23:38,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 10:23:38,675 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand 6 states. [2020-08-18 10:23:39,054 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:39,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:39,546 INFO L93 Difference]: Finished difference Result 357 states and 437 transitions. [2020-08-18 10:23:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 10:23:39,547 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-08-18 10:23:39,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:39,550 INFO L225 Difference]: With dead ends: 357 [2020-08-18 10:23:39,550 INFO L226 Difference]: Without dead ends: 163 [2020-08-18 10:23:39,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 10:23:39,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-08-18 10:23:39,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2020-08-18 10:23:39,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-08-18 10:23:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2020-08-18 10:23:39,584 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 63 [2020-08-18 10:23:39,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:39,585 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2020-08-18 10:23:39,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 10:23:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2020-08-18 10:23:39,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-18 10:23:39,587 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:23:39,588 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] [2020-08-18 10:23:39,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 10:23:39,588 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:23:39,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:23:39,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1969970811, now seen corresponding path program 1 times [2020-08-18 10:23:39,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:23:39,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377748533] [2020-08-18 10:23:39,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:23:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:39,882 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:39,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:23:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:39,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:23:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:39,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:23:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:39,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:23:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:39,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:23:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:39,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 10:23:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:39,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 10:23:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:40,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:23:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:40,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:23:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:40,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 10:23:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:40,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 10:23:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:40,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 10:23:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:40,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 10:23:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:40,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:23:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:40,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-18 10:23:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:40,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-18 10:23:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:23:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 10:23:40,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377748533] [2020-08-18 10:23:40,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 10:23:40,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 10:23:40,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383396408] [2020-08-18 10:23:40,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 10:23:40,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:23:40,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 10:23:40,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 10:23:40,066 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 10 states. [2020-08-18 10:23:40,651 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 10:23:41,223 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:23:41,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:23:41,752 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2020-08-18 10:23:41,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 10:23:41,753 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-08-18 10:23:41,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:23:41,754 INFO L225 Difference]: With dead ends: 203 [2020-08-18 10:23:41,754 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 10:23:41,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 10:23:41,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 10:23:41,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 10:23:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 10:23:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 10:23:41,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-08-18 10:23:41,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:23:41,757 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 10:23:41,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 10:23:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 10:23:41,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 10:23:41,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 10:23:41,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 10:23:42,215 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 25 [2020-08-18 10:23:44,393 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 10:23:44,786 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:45,258 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:45,407 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 10:23:45,659 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:23:46,276 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-18 10:23:46,438 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 10:23:46,550 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-18 10:23:47,198 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-18 10:23:47,889 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 10:23:48,346 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 10:23:48,705 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:49,069 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:49,653 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-18 10:23:49,825 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 10:23:50,266 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:50,412 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 10:23:50,788 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 10:23:51,187 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 10:23:51,612 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 10:23:52,265 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 10:23:52,319 INFO L268 CegarLoopResult]: For program point L225(lines 202 226) no Hoare annotation was computed. [2020-08-18 10:23:52,320 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2020-08-18 10:23:52,320 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-08-18 10:23:52,320 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-08-18 10:23:52,320 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-18 10:23:52,320 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2020-08-18 10:23:52,320 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2020-08-18 10:23:52,321 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2020-08-18 10:23:52,321 INFO L268 CegarLoopResult]: For program point L286(lines 259 287) no Hoare annotation was computed. [2020-08-18 10:23:52,321 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-18 10:23:52,321 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-08-18 10:23:52,321 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2020-08-18 10:23:52,322 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2020-08-18 10:23:52,322 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-08-18 10:23:52,322 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2020-08-18 10:23:52,322 INFO L268 CegarLoopResult]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2020-08-18 10:23:52,322 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-08-18 10:23:52,323 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2020-08-18 10:23:52,323 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2020-08-18 10:23:52,323 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2020-08-18 10:23:52,323 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2020-08-18 10:23:52,323 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 872 880) the Hoare annotation is: true [2020-08-18 10:23:52,323 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 872 880) no Hoare annotation was computed. [2020-08-18 10:23:52,324 INFO L264 CegarLoopResult]: At program point L512(line 512) 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))) [2020-08-18 10:23:52,324 INFO L268 CegarLoopResult]: For program point L512-1(line 512) no Hoare annotation was computed. [2020-08-18 10:23:52,324 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 502 526) the Hoare annotation is: true [2020-08-18 10:23:52,324 INFO L268 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2020-08-18 10:23:52,324 INFO L268 CegarLoopResult]: For program point L510-1(lines 502 526) no Hoare annotation was computed. [2020-08-18 10:23:52,324 INFO L271 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: true [2020-08-18 10:23:52,324 INFO L268 CegarLoopResult]: For program point L508-1(line 508) no Hoare annotation was computed. [2020-08-18 10:23:52,324 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 502 526) no Hoare annotation was computed. [2020-08-18 10:23:52,325 INFO L264 CegarLoopResult]: At program point L516(line 516) 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))) [2020-08-18 10:23:52,325 INFO L268 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2020-08-18 10:23:52,325 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 606 628) 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))) [2020-08-18 10:23:52,325 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 606 628) no Hoare annotation was computed. [2020-08-18 10:23:52,325 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 606 628) no Hoare annotation was computed. [2020-08-18 10:23:52,326 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:52,326 INFO L264 CegarLoopResult]: At program point L618-1(line 618) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:52,326 INFO L268 CegarLoopResult]: For program point L616(lines 616 623) no Hoare annotation was computed. [2020-08-18 10:23:52,326 INFO L268 CegarLoopResult]: For program point L616-1(lines 616 623) no Hoare annotation was computed. [2020-08-18 10:23:52,326 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-08-18 10:23:52,326 INFO L264 CegarLoopResult]: At program point L613(line 613) 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))) [2020-08-18 10:23:52,327 INFO L264 CegarLoopResult]: At program point L612(line 612) 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))) [2020-08-18 10:23:52,327 INFO L264 CegarLoopResult]: At program point L612-1(line 612) 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))) [2020-08-18 10:23:52,327 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 10:23:52,327 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-08-18 10:23:52,327 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 561 584) no Hoare annotation was computed. [2020-08-18 10:23:52,327 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-18 10:23:52,327 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-18 10:23:52,328 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-08-18 10:23:52,328 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 561 584) no Hoare annotation was computed. [2020-08-18 10:23:52,328 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-18 10:23:52,328 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 561 584) no Hoare annotation was computed. [2020-08-18 10:23:52,328 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-18 10:23:52,328 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-08-18 10:23:52,328 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-18 10:23:52,328 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-18 10:23:52,329 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-08-18 10:23:52,329 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-18 10:23:52,329 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-08-18 10:23:52,329 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-18 10:23:52,329 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 659 665) no Hoare annotation was computed. [2020-08-18 10:23:52,329 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 659 665) the Hoare annotation is: true [2020-08-18 10:23:52,329 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 692 699) no Hoare annotation was computed. [2020-08-18 10:23:52,330 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 692 699) no Hoare annotation was computed. [2020-08-18 10:23:52,330 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 692 699) no Hoare annotation was computed. [2020-08-18 10:23:52,330 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 736 744) no Hoare annotation was computed. [2020-08-18 10:23:52,330 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 736 744) the Hoare annotation is: true [2020-08-18 10:23:52,330 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 736 744) no Hoare annotation was computed. [2020-08-18 10:23:52,330 INFO L268 CegarLoopResult]: For program point L764(lines 764 772) no Hoare annotation was computed. [2020-08-18 10:23:52,330 INFO L268 CegarLoopResult]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2020-08-18 10:23:52,330 INFO L268 CegarLoopResult]: For program point L752(lines 752 760) no Hoare annotation was computed. [2020-08-18 10:23:52,331 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 745 780) no Hoare annotation was computed. [2020-08-18 10:23:52,331 INFO L268 CegarLoopResult]: For program point L752-2(lines 752 760) no Hoare annotation was computed. [2020-08-18 10:23:52,331 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-08-18 10:23:52,331 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 745 780) no Hoare annotation was computed. [2020-08-18 10:23:52,331 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-08-18 10:23:52,331 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 745 780) no Hoare annotation was computed. [2020-08-18 10:23:52,331 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2020-08-18 10:23:52,331 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2020-08-18 10:23:52,332 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2020-08-18 10:23:52,332 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2020-08-18 10:23:52,332 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2020-08-18 10:23:52,332 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2020-08-18 10:23:52,332 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-08-18 10:23:52,332 INFO L268 CegarLoopResult]: For program point L459(lines 459 479) no Hoare annotation was computed. [2020-08-18 10:23:52,333 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2020-08-18 10:23:52,333 INFO L268 CegarLoopResult]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2020-08-18 10:23:52,333 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2020-08-18 10:23:52,333 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 593 602) 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))) [2020-08-18 10:23:52,333 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 593 602) no Hoare annotation was computed. [2020-08-18 10:23:52,333 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 593 602) no Hoare annotation was computed. [2020-08-18 10:23:52,333 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 725 735) the Hoare annotation is: true [2020-08-18 10:23:52,334 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 725 735) no Hoare annotation was computed. [2020-08-18 10:23:52,334 INFO L271 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: true [2020-08-18 10:23:52,334 INFO L268 CegarLoopResult]: For program point L730-1(line 730) no Hoare annotation was computed. [2020-08-18 10:23:52,334 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 725 735) no Hoare annotation was computed. [2020-08-18 10:23:52,334 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 717 724) the Hoare annotation is: true [2020-08-18 10:23:52,334 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 717 724) no Hoare annotation was computed. [2020-08-18 10:23:52,334 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 717 724) no Hoare annotation was computed. [2020-08-18 10:23:52,335 INFO L264 CegarLoopResult]: At program point L673(line 673) 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))) [2020-08-18 10:23:52,335 INFO L268 CegarLoopResult]: For program point L673-1(line 673) no Hoare annotation was computed. [2020-08-18 10:23:52,335 INFO L268 CegarLoopResult]: For program point L671(lines 671 688) no Hoare annotation was computed. [2020-08-18 10:23:52,335 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 667 691) no Hoare annotation was computed. [2020-08-18 10:23:52,335 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 667 691) 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))))) [2020-08-18 10:23:52,335 INFO L264 CegarLoopResult]: At program point L686(line 686) 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))))) [2020-08-18 10:23:52,335 INFO L268 CegarLoopResult]: For program point L686-1(lines 667 691) no Hoare annotation was computed. [2020-08-18 10:23:52,336 INFO L264 CegarLoopResult]: At program point L681(line 681) 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))) [2020-08-18 10:23:52,336 INFO L264 CegarLoopResult]: At program point L677(line 677) 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))) [2020-08-18 10:23:52,336 INFO L268 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-08-18 10:23:52,336 INFO L264 CegarLoopResult]: At program point testENTRY(lines 782 845) 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))) [2020-08-18 10:23:52,336 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-08-18 10:23:52,336 INFO L264 CegarLoopResult]: At program point L828-2(lines 822 833) 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))) [2020-08-18 10:23:52,337 INFO L268 CegarLoopResult]: For program point L793(lines 792 837) no Hoare annotation was computed. [2020-08-18 10:23:52,337 INFO L268 CegarLoopResult]: For program point testFINAL(lines 782 845) no Hoare annotation was computed. [2020-08-18 10:23:52,337 INFO L268 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2020-08-18 10:23:52,337 INFO L264 CegarLoopResult]: At program point L814(line 814) 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))) [2020-08-18 10:23:52,337 INFO L268 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-08-18 10:23:52,337 INFO L268 CegarLoopResult]: For program point L812-1(lines 812 818) no Hoare annotation was computed. [2020-08-18 10:23:52,337 INFO L264 CegarLoopResult]: At program point L804(line 804) 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))) [2020-08-18 10:23:52,338 INFO L264 CegarLoopResult]: At program point L835(lines 792 837) 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))) [2020-08-18 10:23:52,338 INFO L268 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2020-08-18 10:23:52,338 INFO L268 CegarLoopResult]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2020-08-18 10:23:52,338 INFO L268 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-08-18 10:23:52,338 INFO L264 CegarLoopResult]: At program point L838(lines 791 839) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:23:52,338 INFO L268 CegarLoopResult]: For program point testEXIT(lines 782 845) no Hoare annotation was computed. [2020-08-18 10:23:52,338 INFO L268 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-08-18 10:23:52,339 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-08-18 10:23:52,339 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2020-08-18 10:23:52,339 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2020-08-18 10:23:52,339 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2020-08-18 10:23:52,339 INFO L268 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-08-18 10:23:52,339 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-18 10:23:52,339 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-18 10:23:52,339 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-18 10:23:52,339 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-18 10:23:52,340 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-18 10:23:52,340 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-08-18 10:23:52,340 INFO L268 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-08-18 10:23:52,340 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2020-08-18 10:23:52,340 INFO L268 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-08-18 10:23:52,340 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2020-08-18 10:23:52,340 INFO L268 CegarLoopResult]: For program point L366(lines 344 367) no Hoare annotation was computed. [2020-08-18 10:23:52,340 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2020-08-18 10:23:52,341 INFO L268 CegarLoopResult]: For program point L325(lines 325 341) no Hoare annotation was computed. [2020-08-18 10:23:52,341 INFO L268 CegarLoopResult]: For program point L385(lines 385 392) no Hoare annotation was computed. [2020-08-18 10:23:52,341 INFO L268 CegarLoopResult]: For program point L346(lines 345 365) no Hoare annotation was computed. [2020-08-18 10:23:52,341 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-08-18 10:23:52,341 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-08-18 10:23:52,341 INFO L268 CegarLoopResult]: For program point L342(lines 342 383) no Hoare annotation was computed. [2020-08-18 10:23:52,341 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2020-08-18 10:23:52,341 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-18 10:23:52,341 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-08-18 10:23:52,342 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 848 857) no Hoare annotation was computed. [2020-08-18 10:23:52,342 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 848 857) no Hoare annotation was computed. [2020-08-18 10:23:52,342 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 848 857) no Hoare annotation was computed. [2020-08-18 10:23:52,342 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:23:52,342 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~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~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.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)|) (= ~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~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-18 10:23:52,342 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:23:52,343 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-08-18 10:23:52,343 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-08-18 10:23:52,343 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 700 716) no Hoare annotation was computed. [2020-08-18 10:23:52,343 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 700 716) no Hoare annotation was computed. [2020-08-18 10:23:52,343 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-08-18 10:23:52,343 INFO L268 CegarLoopResult]: For program point L711-1(lines 700 716) no Hoare annotation was computed. [2020-08-18 10:23:52,343 INFO L268 CegarLoopResult]: For program point L707(lines 707 713) no Hoare annotation was computed. [2020-08-18 10:23:52,343 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-18 10:23:52,344 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-18 10:23:52,344 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-18 10:23:52,344 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))) [2020-08-18 10:23:52,344 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-18 10:23:52,344 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-18 10:23:52,345 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:23:52,345 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 10:23:52,345 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:23:52,345 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-18 10:23:52,345 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-18 10:23:52,345 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-18 10:23:52,345 INFO L264 CegarLoopResult]: At program point L641(line 641) 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))) [2020-08-18 10:23:52,345 INFO L268 CegarLoopResult]: For program point L639(lines 638 657) no Hoare annotation was computed. [2020-08-18 10:23:52,346 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 635 658) 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))) [2020-08-18 10:23:52,346 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 635 658) no Hoare annotation was computed. [2020-08-18 10:23:52,346 INFO L264 CegarLoopResult]: At program point L648(line 648) 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))) [2020-08-18 10:23:52,346 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 635 658) no Hoare annotation was computed. [2020-08-18 10:23:52,346 INFO L264 CegarLoopResult]: At program point L646(lines 646 652) 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))) [2020-08-18 10:23:52,347 INFO L268 CegarLoopResult]: For program point L544(lines 544 548) no Hoare annotation was computed. [2020-08-18 10:23:52,347 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 530 559) no Hoare annotation was computed. [2020-08-18 10:23:52,347 INFO L271 CegarLoopResult]: At program point L544-1(lines 544 548) the Hoare annotation is: true [2020-08-18 10:23:52,347 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-18 10:23:52,347 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 530 559) the Hoare annotation is: true [2020-08-18 10:23:52,347 INFO L271 CegarLoopResult]: At program point L540-2(lines 540 554) the Hoare annotation is: true [2020-08-18 10:23:52,347 INFO L271 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: true [2020-08-18 10:23:52,347 INFO L268 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-08-18 10:23:52,348 INFO L271 CegarLoopResult]: At program point L555(lines 530 559) the Hoare annotation is: true [2020-08-18 10:23:52,348 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-18 10:23:52,348 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-18 10:23:52,348 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-18 10:23:52,348 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-18 10:23:52,348 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 585 591) no Hoare annotation was computed. [2020-08-18 10:23:52,348 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 585 591) the Hoare annotation is: true [2020-08-18 10:23:52,348 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:23:52,349 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 10:23:52,349 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 10:23:52,349 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:23:52,349 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-18 10:23:52,349 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-18 10:23:52,349 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))) [2020-08-18 10:23:52,349 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2020-08-18 10:23:52,350 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-08-18 10:23:52,350 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2020-08-18 10:23:52,350 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2020-08-18 10:23:52,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:23:52 BoogieIcfgContainer [2020-08-18 10:23:52,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 10:23:52,391 INFO L168 Benchmark]: Toolchain (without parser) took 27931.76 ms. Allocated memory was 146.8 MB in the beginning and 599.8 MB in the end (delta: 453.0 MB). Free memory was 103.6 MB in the beginning and 436.9 MB in the end (delta: -333.4 MB). Peak memory consumption was 468.4 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:52,391 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 10:23:52,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.43 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 103.4 MB in the beginning and 175.7 MB in the end (delta: -72.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:52,394 INFO L168 Benchmark]: Boogie Preprocessor took 94.71 ms. Allocated memory is still 205.0 MB. Free memory was 175.0 MB in the beginning and 170.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:52,395 INFO L168 Benchmark]: RCFGBuilder took 1061.40 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 170.7 MB in the beginning and 199.9 MB in the end (delta: -29.3 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:52,396 INFO L168 Benchmark]: TraceAbstraction took 26156.42 ms. Allocated memory was 235.9 MB in the beginning and 599.8 MB in the end (delta: 363.9 MB). Free memory was 199.9 MB in the beginning and 436.9 MB in the end (delta: -237.0 MB). Peak memory consumption was 475.7 MB. Max. memory is 7.1 GB. [2020-08-18 10:23:52,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 614.43 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 103.4 MB in the beginning and 175.7 MB in the end (delta: -72.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.71 ms. Allocated memory is still 205.0 MB. Free memory was 175.0 MB in the beginning and 170.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1061.40 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 170.7 MB in the beginning and 199.9 MB in the end (delta: -29.3 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26156.42 ms. Allocated memory was 235.9 MB in the beginning and 599.8 MB in the end (delta: 363.9 MB). Free memory was 199.9 MB in the beginning and 436.9 MB in the end (delta: -237.0 MB). Peak memory consumption was 475.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: 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: 791]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 488 SDtfs, 989 SDslu, 341 SDs, 0 SdLazy, 2114 SolverSat, 643 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.8s 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, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s 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...