/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 23:16:35,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 23:16:35,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 23:16:35,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 23:16:35,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 23:16:35,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 23:16:35,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 23:16:35,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 23:16:35,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 23:16:35,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 23:16:35,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 23:16:35,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 23:16:35,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 23:16:35,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 23:16:35,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 23:16:35,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 23:16:35,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 23:16:35,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 23:16:35,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 23:16:35,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 23:16:35,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 23:16:35,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 23:16:35,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 23:16:35,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 23:16:35,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 23:16:35,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 23:16:35,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 23:16:35,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 23:16:35,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 23:16:35,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 23:16:35,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 23:16:35,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 23:16:35,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 23:16:35,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 23:16:35,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 23:16:35,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 23:16:35,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 23:16:35,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 23:16:35,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 23:16:35,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 23:16:35,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 23:16:35,211 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 23:16:35,236 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 23:16:35,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 23:16:35,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 23:16:35,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 23:16:35,238 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 23:16:35,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 23:16:35,238 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 23:16:35,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 23:16:35,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 23:16:35,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 23:16:35,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 23:16:35,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 23:16:35,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 23:16:35,240 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 23:16:35,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 23:16:35,240 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 23:16:35,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 23:16:35,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 23:16:35,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 23:16:35,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 23:16:35,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 23:16:35,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:16:35,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 23:16:35,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 23:16:35,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 23:16:35,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 23:16:35,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 23:16:35,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 23:16:35,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 23:16:35,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; [2020-08-18 23:16:35,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 23:16:35,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 23:16:35,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 23:16:35,577 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 23:16:35,577 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 23:16:35,578 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2020-08-18 23:16:35,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5bb38e07b/f59707a9e38640b8a75735319ed0aea4/FLAGde96fb1d1 [2020-08-18 23:16:36,200 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 23:16:36,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2020-08-18 23:16:36,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5bb38e07b/f59707a9e38640b8a75735319ed0aea4/FLAGde96fb1d1 [2020-08-18 23:16:36,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5bb38e07b/f59707a9e38640b8a75735319ed0aea4 [2020-08-18 23:16:36,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 23:16:36,549 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 23:16:36,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 23:16:36,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 23:16:36,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 23:16:36,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:16:36" (1/1) ... [2020-08-18 23:16:36,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63832a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:16:36, skipping insertion in model container [2020-08-18 23:16:36,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:16:36" (1/1) ... [2020-08-18 23:16:36,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 23:16:36,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 23:16:36,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:16:36,994 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 23:16:37,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:16:37,203 INFO L208 MainTranslator]: Completed translation [2020-08-18 23:16:37,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:16:37 WrapperNode [2020-08-18 23:16:37,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 23:16:37,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 23:16:37,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 23:16:37,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 23:16:37,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:16:37" (1/1) ... [2020-08-18 23:16:37,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:16:37" (1/1) ... [2020-08-18 23:16:37,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:16:37" (1/1) ... [2020-08-18 23:16:37,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:16:37" (1/1) ... [2020-08-18 23:16:37,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:16:37" (1/1) ... [2020-08-18 23:16:37,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:16:37" (1/1) ... [2020-08-18 23:16:37,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:16:37" (1/1) ... [2020-08-18 23:16:37,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 23:16:37,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 23:16:37,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 23:16:37,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 23:16:37,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:16:37" (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 23:16:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 23:16:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 23:16:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 23:16:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 23:16:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 23:16:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 23:16:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 23:16:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 23:16:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 23:16:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 23:16:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 23:16:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 23:16:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 23:16:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 23:16:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 23:16:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 23:16:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 23:16:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 23:16:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 23:16:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 23:16:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 23:16:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 23:16:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 23:16:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 23:16:37,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 23:16:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 23:16:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 23:16:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 23:16:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 23:16:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 23:16:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 23:16:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 23:16:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 23:16:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 23:16:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 23:16:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 23:16:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 23:16:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 23:16:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 23:16:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 23:16:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 23:16:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 23:16:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 23:16:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 23:16:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 23:16:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 23:16:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 23:16:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 23:16:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 23:16:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 23:16:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 23:16:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 23:16:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 23:16:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 23:16:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 23:16:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 23:16:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 23:16:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 23:16:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 23:16:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 23:16:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 23:16:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 23:16:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 23:16:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 23:16:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 23:16:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 23:16:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 23:16:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 23:16:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 23:16:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 23:16:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 23:16:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 23:16:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 23:16:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 23:16:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 23:16:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 23:16:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 23:16:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 23:16:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 23:16:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 23:16:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 23:16:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 23:16:38,418 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 23:16:38,419 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 23:16:38,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:16:38 BoogieIcfgContainer [2020-08-18 23:16:38,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 23:16:38,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 23:16:38,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 23:16:38,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 23:16:38,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:16:36" (1/3) ... [2020-08-18 23:16:38,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2172949c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:16:38, skipping insertion in model container [2020-08-18 23:16:38,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:16:37" (2/3) ... [2020-08-18 23:16:38,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2172949c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:16:38, skipping insertion in model container [2020-08-18 23:16:38,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:16:38" (3/3) ... [2020-08-18 23:16:38,442 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2020-08-18 23:16:38,453 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 23:16:38,460 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 23:16:38,471 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 23:16:38,495 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 23:16:38,495 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 23:16:38,495 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 23:16:38,495 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 23:16:38,496 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 23:16:38,496 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 23:16:38,496 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 23:16:38,496 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 23:16:38,520 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2020-08-18 23:16:38,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 23:16:38,530 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:16:38,531 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 23:16:38,531 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:16:38,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:16:38,538 INFO L82 PathProgramCache]: Analyzing trace with hash -835397562, now seen corresponding path program 1 times [2020-08-18 23:16:38,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:16:38,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708661957] [2020-08-18 23:16:38,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:16:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:39,167 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:16:39,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:16:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:39,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:16:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:39,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:16:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:39,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:16:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:39,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:16:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:39,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 23:16:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:39,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 23:16:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:39,283 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 23:16:39,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708661957] [2020-08-18 23:16:39,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:16:39,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 23:16:39,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304670993] [2020-08-18 23:16:39,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 23:16:39,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:16:39,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 23:16:39,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 23:16:39,315 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 3 states. [2020-08-18 23:16:40,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:16:40,218 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2020-08-18 23:16:40,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 23:16:40,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 23:16:40,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:16:40,238 INFO L225 Difference]: With dead ends: 199 [2020-08-18 23:16:40,238 INFO L226 Difference]: Without dead ends: 109 [2020-08-18 23:16:40,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 23:16:40,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-18 23:16:40,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-08-18 23:16:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-08-18 23:16:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-08-18 23:16:40,357 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-08-18 23:16:40,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:16:40,358 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-08-18 23:16:40,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 23:16:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-08-18 23:16:40,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 23:16:40,362 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:16:40,362 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 23:16:40,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 23:16:40,363 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:16:40,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:16:40,364 INFO L82 PathProgramCache]: Analyzing trace with hash -297882774, now seen corresponding path program 1 times [2020-08-18 23:16:40,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:16:40,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35618327] [2020-08-18 23:16:40,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:16:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:40,792 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:16:40,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:16:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:40,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:16:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:40,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:16:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:40,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:16:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:40,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:16:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:40,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 23:16:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:40,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 23:16:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:40,853 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 23:16:40,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35618327] [2020-08-18 23:16:40,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:16:40,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 23:16:40,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255874373] [2020-08-18 23:16:40,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 23:16:40,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:16:40,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 23:16:40,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 23:16:40,857 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2020-08-18 23:16:41,338 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:16:41,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:16:41,770 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2020-08-18 23:16:41,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 23:16:41,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 23:16:41,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:16:41,773 INFO L225 Difference]: With dead ends: 132 [2020-08-18 23:16:41,773 INFO L226 Difference]: Without dead ends: 93 [2020-08-18 23:16:41,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 23:16:41,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-08-18 23:16:41,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-08-18 23:16:41,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-08-18 23:16:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-08-18 23:16:41,800 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2020-08-18 23:16:41,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:16:41,801 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-08-18 23:16:41,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 23:16:41,801 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-08-18 23:16:41,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 23:16:41,803 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:16:41,803 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 23:16:41,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 23:16:41,803 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:16:41,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:16:41,804 INFO L82 PathProgramCache]: Analyzing trace with hash 2081031283, now seen corresponding path program 1 times [2020-08-18 23:16:41,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:16:41,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813783350] [2020-08-18 23:16:41,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:16:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:42,144 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:16:42,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:16:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:42,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:16:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:42,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:16:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:42,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:16:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:42,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:16:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:42,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:16:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:42,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 23:16:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:42,206 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 23:16:42,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813783350] [2020-08-18 23:16:42,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:16:42,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 23:16:42,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563623784] [2020-08-18 23:16:42,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 23:16:42,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:16:42,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 23:16:42,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 23:16:42,208 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 4 states. [2020-08-18 23:16:42,477 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:16:42,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:16:42,988 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions. [2020-08-18 23:16:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 23:16:42,990 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 23:16:42,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:16:42,993 INFO L225 Difference]: With dead ends: 141 [2020-08-18 23:16:42,993 INFO L226 Difference]: Without dead ends: 93 [2020-08-18 23:16:42,994 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 23:16:42,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-08-18 23:16:43,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-08-18 23:16:43,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-08-18 23:16:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-08-18 23:16:43,027 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2020-08-18 23:16:43,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:16:43,028 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-08-18 23:16:43,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 23:16:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-08-18 23:16:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-18 23:16:43,039 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:16:43,040 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] [2020-08-18 23:16:43,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 23:16:43,042 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:16:43,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:16:43,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1503869897, now seen corresponding path program 1 times [2020-08-18 23:16:43,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:16:43,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223724238] [2020-08-18 23:16:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:16:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:43,398 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:16:43,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:16:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:43,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:16:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:43,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:16:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:43,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:16:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:43,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:16:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:43,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 23:16:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:43,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 23:16:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:43,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-18 23:16:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:43,465 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 23:16:43,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [223724238] [2020-08-18 23:16:43,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:16:43,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 23:16:43,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382745300] [2020-08-18 23:16:43,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 23:16:43,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:16:43,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 23:16:43,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 23:16:43,468 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 7 states. [2020-08-18 23:16:43,820 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:16:44,603 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:16:44,897 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:16:45,145 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:16:45,377 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:16:45,676 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:16:45,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:16:45,956 INFO L93 Difference]: Finished difference Result 191 states and 239 transitions. [2020-08-18 23:16:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 23:16:45,957 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-08-18 23:16:45,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:16:45,961 INFO L225 Difference]: With dead ends: 191 [2020-08-18 23:16:45,961 INFO L226 Difference]: Without dead ends: 143 [2020-08-18 23:16:45,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-08-18 23:16:45,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-18 23:16:45,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 111. [2020-08-18 23:16:45,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-08-18 23:16:45,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2020-08-18 23:16:45,995 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 54 [2020-08-18 23:16:45,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:16:45,996 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2020-08-18 23:16:45,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 23:16:45,996 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2020-08-18 23:16:45,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-18 23:16:45,997 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:16:45,997 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] [2020-08-18 23:16:45,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 23:16:45,998 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:16:45,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:16:45,998 INFO L82 PathProgramCache]: Analyzing trace with hash 353010405, now seen corresponding path program 1 times [2020-08-18 23:16:45,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:16:45,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40822865] [2020-08-18 23:16:45,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:16:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:46,282 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:16:46,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:16:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:46,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:16:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:46,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:16:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:46,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:16:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:46,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:16:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:46,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 23:16:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:46,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 23:16:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:46,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 23:16:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:46,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 23:16:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:16:46,353 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 23:16:46,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40822865] [2020-08-18 23:16:46,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:16:46,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 23:16:46,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738136727] [2020-08-18 23:16:46,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 23:16:46,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:16:46,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 23:16:46,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:16:46,356 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 8 states. [2020-08-18 23:16:46,682 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:16:47,371 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:16:47,607 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:16:47,843 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:16:47,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:16:47,995 INFO L93 Difference]: Finished difference Result 217 states and 270 transitions. [2020-08-18 23:16:47,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 23:16:47,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-08-18 23:16:47,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:16:47,997 INFO L225 Difference]: With dead ends: 217 [2020-08-18 23:16:47,997 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 23:16:48,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 23:16:48,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 23:16:48,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 23:16:48,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 23:16:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 23:16:48,001 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-08-18 23:16:48,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:16:48,001 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 23:16:48,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 23:16:48,001 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 23:16:48,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 23:16:48,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 23:16:48,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 23:16:49,297 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-08-18 23:16:49,487 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-08-18 23:16:49,671 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-08-18 23:16:49,823 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-08-18 23:16:50,006 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-08-18 23:16:50,306 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12 [2020-08-18 23:16:50,442 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-08-18 23:16:50,658 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:16:50,820 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-08-18 23:16:51,127 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12 [2020-08-18 23:16:51,296 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-08-18 23:16:51,590 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12 [2020-08-18 23:16:51,750 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-08-18 23:16:52,068 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 23:16:52,216 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-08-18 23:16:52,448 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-08-18 23:16:52,741 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12 [2020-08-18 23:16:52,929 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2020-08-18 23:16:52,933 INFO L268 CegarLoopResult]: For program point L574(lines 551 575) no Hoare annotation was computed. [2020-08-18 23:16:52,933 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 527 582) no Hoare annotation was computed. [2020-08-18 23:16:52,933 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-08-18 23:16:52,934 INFO L268 CegarLoopResult]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2020-08-18 23:16:52,934 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-18 23:16:52,934 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 527 582) no Hoare annotation was computed. [2020-08-18 23:16:52,934 INFO L268 CegarLoopResult]: For program point L552-2(lines 552 573) no Hoare annotation was computed. [2020-08-18 23:16:52,934 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 527 582) no Hoare annotation was computed. [2020-08-18 23:16:52,934 INFO L268 CegarLoopResult]: For program point L609-2(lines 609 634) no Hoare annotation was computed. [2020-08-18 23:16:52,934 INFO L268 CegarLoopResult]: For program point L635(lines 608 636) no Hoare annotation was computed. [2020-08-18 23:16:52,934 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 583 642) no Hoare annotation was computed. [2020-08-18 23:16:52,934 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-08-18 23:16:52,934 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-08-18 23:16:52,934 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 583 642) no Hoare annotation was computed. [2020-08-18 23:16:52,935 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 583 642) no Hoare annotation was computed. [2020-08-18 23:16:52,935 INFO L268 CegarLoopResult]: For program point L615(lines 615 619) no Hoare annotation was computed. [2020-08-18 23:16:52,935 INFO L268 CegarLoopResult]: For program point L615-1(lines 615 619) no Hoare annotation was computed. [2020-08-18 23:16:52,935 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-08-18 23:16:52,935 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2020-08-18 23:16:52,935 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2020-08-18 23:16:52,935 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2020-08-18 23:16:52,936 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2020-08-18 23:16:52,936 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 253 261) no Hoare annotation was computed. [2020-08-18 23:16:52,936 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-18 23:16:52,936 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-18 23:16:52,937 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:16:52,937 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:16:52,937 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:16:52,937 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:16:52,937 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-18 23:16:52,938 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-18 23:16:52,938 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:16:52,938 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:16:52,938 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-18 23:16:52,938 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-18 23:16:52,938 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-18 23:16:52,938 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-18 23:16:52,939 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-18 23:16:52,939 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-18 23:16:52,939 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 23:16:52,939 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-18 23:16:52,939 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-18 23:16:52,939 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 23:16:52,939 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-18 23:16:52,939 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-18 23:16:52,940 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 23:16:52,940 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-18 23:16:52,940 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-18 23:16:52,940 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 23:16:52,940 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-18 23:16:52,940 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-18 23:16:52,940 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 328 336) no Hoare annotation was computed. [2020-08-18 23:16:52,940 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 328 336) the Hoare annotation is: true [2020-08-18 23:16:52,941 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 328 336) no Hoare annotation was computed. [2020-08-18 23:16:52,941 INFO L268 CegarLoopResult]: For program point L344(lines 344 352) no Hoare annotation was computed. [2020-08-18 23:16:52,941 INFO L268 CegarLoopResult]: For program point L344-2(lines 344 352) no Hoare annotation was computed. [2020-08-18 23:16:52,941 INFO L268 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-08-18 23:16:52,941 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 337 372) no Hoare annotation was computed. [2020-08-18 23:16:52,941 INFO L268 CegarLoopResult]: For program point L367-1(line 367) no Hoare annotation was computed. [2020-08-18 23:16:52,941 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 337 372) no Hoare annotation was computed. [2020-08-18 23:16:52,941 INFO L268 CegarLoopResult]: For program point L356(lines 356 364) no Hoare annotation was computed. [2020-08-18 23:16:52,942 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 337 372) no Hoare annotation was computed. [2020-08-18 23:16:52,942 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 364) no Hoare annotation was computed. [2020-08-18 23:16:52,942 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2020-08-18 23:16:52,942 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2020-08-18 23:16:52,942 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 481 526) no Hoare annotation was computed. [2020-08-18 23:16:52,942 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 481 526) no Hoare annotation was computed. [2020-08-18 23:16:52,942 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 481 526) no Hoare annotation was computed. [2020-08-18 23:16:52,943 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:16:52,943 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-18 23:16:52,943 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-18 23:16:52,943 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 794 839) no Hoare annotation was computed. [2020-08-18 23:16:52,943 INFO L268 CegarLoopResult]: For program point L814(lines 814 821) no Hoare annotation was computed. [2020-08-18 23:16:52,943 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 794 839) no Hoare annotation was computed. [2020-08-18 23:16:52,943 INFO L268 CegarLoopResult]: For program point L808(lines 808 828) no Hoare annotation was computed. [2020-08-18 23:16:52,943 INFO L268 CegarLoopResult]: For program point L808-1(lines 808 828) no Hoare annotation was computed. [2020-08-18 23:16:52,944 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 794 839) no Hoare annotation was computed. [2020-08-18 23:16:52,944 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-08-18 23:16:52,944 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 317 327) no Hoare annotation was computed. [2020-08-18 23:16:52,944 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 317 327) no Hoare annotation was computed. [2020-08-18 23:16:52,944 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 317 327) no Hoare annotation was computed. [2020-08-18 23:16:52,944 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-08-18 23:16:52,944 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 309 316) no Hoare annotation was computed. [2020-08-18 23:16:52,944 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 309 316) no Hoare annotation was computed. [2020-08-18 23:16:52,944 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 309 316) no Hoare annotation was computed. [2020-08-18 23:16:52,945 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 294 300) no Hoare annotation was computed. [2020-08-18 23:16:52,945 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 294 300) the Hoare annotation is: true [2020-08-18 23:16:52,945 INFO L264 CegarLoopResult]: At program point testENTRY(lines 374 437) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:16:52,945 INFO L268 CegarLoopResult]: For program point testFINAL(lines 374 437) no Hoare annotation was computed. [2020-08-18 23:16:52,945 INFO L264 CegarLoopResult]: At program point L430(lines 383 431) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 23:16:52,945 INFO L268 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-08-18 23:16:52,945 INFO L264 CegarLoopResult]: At program point L420-2(lines 414 425) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-18 23:16:52,946 INFO L268 CegarLoopResult]: For program point L385(lines 384 429) no Hoare annotation was computed. [2020-08-18 23:16:52,946 INFO L268 CegarLoopResult]: For program point L414(lines 414 425) no Hoare annotation was computed. [2020-08-18 23:16:52,946 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-18 23:16:52,946 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-08-18 23:16:52,946 INFO L268 CegarLoopResult]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2020-08-18 23:16:52,946 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-18 23:16:52,946 INFO L264 CegarLoopResult]: At program point L427(lines 384 429) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-18 23:16:52,947 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-08-18 23:16:52,947 INFO L268 CegarLoopResult]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2020-08-18 23:16:52,947 INFO L268 CegarLoopResult]: For program point testEXIT(lines 374 437) no Hoare annotation was computed. [2020-08-18 23:16:52,947 INFO L268 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-08-18 23:16:52,947 INFO L268 CegarLoopResult]: For program point L768(lines 768 775) no Hoare annotation was computed. [2020-08-18 23:16:52,947 INFO L268 CegarLoopResult]: For program point L762(lines 762 782) no Hoare annotation was computed. [2020-08-18 23:16:52,947 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 748 793) no Hoare annotation was computed. [2020-08-18 23:16:52,947 INFO L268 CegarLoopResult]: For program point L762-1(lines 762 782) no Hoare annotation was computed. [2020-08-18 23:16:52,947 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 748 793) no Hoare annotation was computed. [2020-08-18 23:16:52,948 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 748 793) no Hoare annotation was computed. [2020-08-18 23:16:52,948 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-08-18 23:16:52,948 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-08-18 23:16:52,948 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2020-08-18 23:16:52,948 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2020-08-18 23:16:52,948 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2020-08-18 23:16:52,948 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 229 238) no Hoare annotation was computed. [2020-08-18 23:16:52,948 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 229 238) no Hoare annotation was computed. [2020-08-18 23:16:52,949 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 229 238) no Hoare annotation was computed. [2020-08-18 23:16:52,949 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 645 747) no Hoare annotation was computed. [2020-08-18 23:16:52,949 INFO L268 CegarLoopResult]: For program point L669(lines 669 673) no Hoare annotation was computed. [2020-08-18 23:16:52,949 INFO L268 CegarLoopResult]: For program point L733(lines 733 744) no Hoare annotation was computed. [2020-08-18 23:16:52,949 INFO L268 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-08-18 23:16:52,949 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 714) no Hoare annotation was computed. [2020-08-18 23:16:52,949 INFO L268 CegarLoopResult]: For program point L715(lines 693 716) no Hoare annotation was computed. [2020-08-18 23:16:52,949 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 645 747) no Hoare annotation was computed. [2020-08-18 23:16:52,950 INFO L268 CegarLoopResult]: For program point L674(lines 674 690) no Hoare annotation was computed. [2020-08-18 23:16:52,950 INFO L268 CegarLoopResult]: For program point L734(lines 734 741) no Hoare annotation was computed. [2020-08-18 23:16:52,950 INFO L268 CegarLoopResult]: For program point L695(lines 694 714) no Hoare annotation was computed. [2020-08-18 23:16:52,950 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-08-18 23:16:52,950 INFO L268 CegarLoopResult]: For program point L726-1(line 726) no Hoare annotation was computed. [2020-08-18 23:16:52,950 INFO L268 CegarLoopResult]: For program point L691(lines 691 732) no Hoare annotation was computed. [2020-08-18 23:16:52,950 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 645 747) no Hoare annotation was computed. [2020-08-18 23:16:52,950 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-08-18 23:16:52,950 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-08-18 23:16:52,951 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:16:52,951 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#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~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 23:16:52,951 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:16:52,951 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 301 308) no Hoare annotation was computed. [2020-08-18 23:16:52,951 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2020-08-18 23:16:52,951 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 301 308) no Hoare annotation was computed. [2020-08-18 23:16:52,952 INFO L268 CegarLoopResult]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2020-08-18 23:16:52,952 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 23:16:52,952 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2020-08-18 23:16:52,952 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 218 226) no Hoare annotation was computed. [2020-08-18 23:16:52,952 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2020-08-18 23:16:52,952 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2020-08-18 23:16:52,952 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:16:52,952 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 23:16:52,953 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:16:52,953 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 23:16:52,953 INFO L264 CegarLoopResult]: At program point L281(lines 281 287) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 23:16:52,953 INFO L264 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-08-18 23:16:52,953 INFO L268 CegarLoopResult]: For program point L274(lines 273 292) no Hoare annotation was computed. [2020-08-18 23:16:52,953 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 23:16:52,953 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2020-08-18 23:16:52,954 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2020-08-18 23:16:52,954 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-18 23:16:52,954 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-18 23:16:52,954 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-18 23:16:52,954 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-18 23:16:52,954 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-18 23:16:52,954 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-18 23:16:52,954 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-18 23:16:52,955 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-18 23:16:52,955 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-18 23:16:52,955 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-18 23:16:52,955 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2020-08-18 23:16:52,955 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2020-08-18 23:16:52,955 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2020-08-18 23:16:52,955 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2020-08-18 23:16:52,956 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2020-08-18 23:16:52,956 INFO L268 CegarLoopResult]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2020-08-18 23:16:52,956 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-18 23:16:52,956 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-18 23:16:52,956 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:16:52,956 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 23:16:52,956 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 23:16:52,957 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:16:52,957 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2020-08-18 23:16:52,957 INFO L268 CegarLoopResult]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2020-08-18 23:16:52,957 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 23:16:52,957 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 466 473) no Hoare annotation was computed. [2020-08-18 23:16:52,957 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2020-08-18 23:16:52,958 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 466 473) the Hoare annotation is: true [2020-08-18 23:16:52,958 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 466 473) no Hoare annotation was computed. [2020-08-18 23:16:52,958 INFO L268 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-08-18 23:16:52,958 INFO L268 CegarLoopResult]: For program point L448(lines 448 461) no Hoare annotation was computed. [2020-08-18 23:16:52,958 INFO L268 CegarLoopResult]: For program point L448-1(lines 440 464) no Hoare annotation was computed. [2020-08-18 23:16:52,958 INFO L271 CegarLoopResult]: At program point L446(line 446) the Hoare annotation is: true [2020-08-18 23:16:52,958 INFO L268 CegarLoopResult]: For program point L446-1(line 446) no Hoare annotation was computed. [2020-08-18 23:16:52,958 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 440 464) the Hoare annotation is: true [2020-08-18 23:16:52,958 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 440 464) no Hoare annotation was computed. [2020-08-18 23:16:52,959 INFO L264 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-08-18 23:16:52,959 INFO L268 CegarLoopResult]: For program point L452(lines 452 458) no Hoare annotation was computed. [2020-08-18 23:16:52,959 INFO L264 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 23:16:52,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:16:52 BoogieIcfgContainer [2020-08-18 23:16:52,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 23:16:52,982 INFO L168 Benchmark]: Toolchain (without parser) took 16432.91 ms. Allocated memory was 139.5 MB in the beginning and 535.3 MB in the end (delta: 395.8 MB). Free memory was 100.0 MB in the beginning and 156.1 MB in the end (delta: -56.1 MB). Peak memory consumption was 367.0 MB. Max. memory is 7.1 GB. [2020-08-18 23:16:52,983 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 23:16:52,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.09 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 171.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-08-18 23:16:52,985 INFO L168 Benchmark]: Boogie Preprocessor took 86.92 ms. Allocated memory is still 202.4 MB. Free memory was 171.3 MB in the beginning and 167.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-18 23:16:52,985 INFO L168 Benchmark]: RCFGBuilder took 1137.36 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.6 MB in the beginning and 203.5 MB in the end (delta: -36.9 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2020-08-18 23:16:52,986 INFO L168 Benchmark]: TraceAbstraction took 14546.27 ms. Allocated memory was 235.4 MB in the beginning and 535.3 MB in the end (delta: 299.9 MB). Free memory was 203.5 MB in the beginning and 156.1 MB in the end (delta: 47.3 MB). Peak memory consumption was 374.5 MB. Max. memory is 7.1 GB. [2020-08-18 23:16:52,990 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.09 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 171.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.92 ms. Allocated memory is still 202.4 MB. Free memory was 171.3 MB in the beginning and 167.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1137.36 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.6 MB in the beginning and 203.5 MB in the end (delta: -36.9 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14546.27 ms. Allocated memory was 235.4 MB in the beginning and 535.3 MB in the end (delta: 299.9 MB). Free memory was 203.5 MB in the beginning and 156.1 MB in the end (delta: 47.3 MB). Peak memory consumption was 374.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 470]: 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: 384]: Loop Invariant Derived loop invariant: ((!(1 <= systemActive) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0)) || splverifierCounter == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 194 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 339 SDtfs, 408 SDslu, 201 SDs, 0 SdLazy, 875 SolverSat, 230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 102 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 165 PreInvPairs, 191 NumberOfFragments, 539 HoareAnnotationTreeSize, 165 FomulaSimplifications, 23626 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 6404 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 68826 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...