/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:15:24,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:15:24,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:15:24,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:15:24,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:15:24,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:15:24,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:15:24,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:15:24,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:15:24,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:15:24,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:15:24,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:15:24,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:15:24,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:15:24,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:15:24,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:15:24,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:15:24,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:15:24,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:15:24,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:15:24,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:15:24,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:15:24,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:15:24,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:15:24,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:15:24,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:15:24,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:15:24,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:15:24,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:15:24,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:15:24,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:15:24,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:15:24,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:15:24,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:15:24,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:15:24,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:15:24,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:15:24,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:15:24,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:15:24,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:15:24,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:15:24,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 21:15:24,255 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:15:24,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:15:24,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:15:24,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:15:24,258 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:15:24,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:15:24,259 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:15:24,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:15:24,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:15:24,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:15:24,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:15:24,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:15:24,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:15:24,262 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:15:24,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:15:24,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:15:24,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:15:24,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:15:24,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:15:24,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:15:24,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:15:24,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:15:24,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:15:24,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:15:24,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:15:24,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:15:24,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:15:24,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:15:24,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:15:24,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:15:24,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:15:24,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:15:24,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:15:24,610 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:15:24,610 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:15:24,611 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2020-08-21 21:15:24,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82d560796/ff8457e9da6a4a90aaecb7c806dc9219/FLAGdbb85d6e4 [2020-08-21 21:15:25,188 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:15:25,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2020-08-21 21:15:25,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82d560796/ff8457e9da6a4a90aaecb7c806dc9219/FLAGdbb85d6e4 [2020-08-21 21:15:25,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82d560796/ff8457e9da6a4a90aaecb7c806dc9219 [2020-08-21 21:15:25,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:15:25,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:15:25,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:15:25,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:15:25,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:15:25,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:15:25" (1/1) ... [2020-08-21 21:15:25,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ea72eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:15:25, skipping insertion in model container [2020-08-21 21:15:25,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:15:25" (1/1) ... [2020-08-21 21:15:25,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:15:25,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:15:25,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:15:25,991 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:15:26,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:15:26,134 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:15:26,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:15:26 WrapperNode [2020-08-21 21:15:26,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:15:26,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:15:26,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:15:26,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:15:26,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:15:26" (1/1) ... [2020-08-21 21:15:26,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:15:26" (1/1) ... [2020-08-21 21:15:26,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:15:26" (1/1) ... [2020-08-21 21:15:26,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:15:26" (1/1) ... [2020-08-21 21:15:26,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:15:26" (1/1) ... [2020-08-21 21:15:26,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:15:26" (1/1) ... [2020-08-21 21:15:26,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:15:26" (1/1) ... [2020-08-21 21:15:26,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:15:26,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:15:26,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:15:26,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:15:26,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:15:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:15:26,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:15:26,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:15:26,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 21:15:26,315 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 21:15:26,315 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 21:15:26,316 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 21:15:26,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 21:15:26,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 21:15:26,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 21:15:26,316 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 21:15:26,316 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 21:15:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 21:15:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 21:15:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:15:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 21:15:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 21:15:26,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 21:15:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 21:15:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 21:15:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 21:15:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 21:15:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 21:15:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 21:15:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 21:15:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 21:15:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 21:15:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 21:15:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 21:15:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 21:15:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 21:15:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 21:15:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 21:15:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 21:15:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 21:15:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 21:15:26,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 21:15:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:15:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:15:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 21:15:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 21:15:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 21:15:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 21:15:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 21:15:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 21:15:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 21:15:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:15:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 21:15:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 21:15:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 21:15:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 21:15:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 21:15:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 21:15:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 21:15:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 21:15:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 21:15:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 21:15:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 21:15:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:15:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 21:15:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 21:15:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:15:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:15:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 21:15:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:15:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:15:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:15:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:15:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 21:15:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:15:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 21:15:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 21:15:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:15:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 21:15:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 21:15:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 21:15:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 21:15:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 21:15:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 21:15:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 21:15:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 21:15:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 21:15:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 21:15:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 21:15:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:15:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 21:15:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:15:27,461 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:15:27,461 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 21:15:27,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:15:27 BoogieIcfgContainer [2020-08-21 21:15:27,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:15:27,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:15:27,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:15:27,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:15:27,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:15:25" (1/3) ... [2020-08-21 21:15:27,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568e16a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:15:27, skipping insertion in model container [2020-08-21 21:15:27,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:15:26" (2/3) ... [2020-08-21 21:15:27,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568e16a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:15:27, skipping insertion in model container [2020-08-21 21:15:27,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:15:27" (3/3) ... [2020-08-21 21:15:27,475 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2020-08-21 21:15:27,486 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:15:27,494 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:15:27,507 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:15:27,531 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:15:27,531 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:15:27,531 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:15:27,531 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:15:27,532 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:15:27,532 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:15:27,532 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:15:27,532 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:15:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2020-08-21 21:15:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 21:15:27,566 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:15:27,567 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:15:27,567 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:15:27,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:15:27,574 INFO L82 PathProgramCache]: Analyzing trace with hash 72491215, now seen corresponding path program 1 times [2020-08-21 21:15:27,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:15:27,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332860696] [2020-08-21 21:15:27,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:15:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:28,206 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:15:28,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:15:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:28,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:15:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:28,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:15:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:28,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:15:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:28,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:15:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:28,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:15:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:28,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:15:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:28,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:15:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:28,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 21:15:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:28,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 21:15:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:15:28,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332860696] [2020-08-21 21:15:28,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:15:28,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:15:28,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438995327] [2020-08-21 21:15:28,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 21:15:28,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:15:28,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 21:15:28,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:15:28,412 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 4 states. [2020-08-21 21:15:29,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:15:29,181 INFO L93 Difference]: Finished difference Result 205 states and 272 transitions. [2020-08-21 21:15:29,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 21:15:29,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 21:15:29,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:15:29,199 INFO L225 Difference]: With dead ends: 205 [2020-08-21 21:15:29,199 INFO L226 Difference]: Without dead ends: 115 [2020-08-21 21:15:29,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:15:29,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-08-21 21:15:29,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 91. [2020-08-21 21:15:29,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-21 21:15:29,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 106 transitions. [2020-08-21 21:15:29,314 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 106 transitions. Word has length 59 [2020-08-21 21:15:29,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:15:29,316 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 106 transitions. [2020-08-21 21:15:29,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 21:15:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2020-08-21 21:15:29,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 21:15:29,324 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:15:29,324 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:15:29,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:15:29,325 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:15:29,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:15:29,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1033515287, now seen corresponding path program 1 times [2020-08-21 21:15:29,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:15:29,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688217723] [2020-08-21 21:15:29,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:15:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:29,733 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:15:29,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:15:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:29,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:15:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:29,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:15:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:29,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:15:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:29,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:15:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:29,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:15:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:29,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:15:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:29,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:15:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:29,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 21:15:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:29,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 21:15:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:15:29,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688217723] [2020-08-21 21:15:29,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:15:29,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:15:29,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631811266] [2020-08-21 21:15:29,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:15:29,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:15:29,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:15:29,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:15:29,848 INFO L87 Difference]: Start difference. First operand 91 states and 106 transitions. Second operand 9 states. [2020-08-21 21:15:30,266 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:15:30,592 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:15:30,860 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:15:31,091 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:15:31,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:15:31,855 INFO L93 Difference]: Finished difference Result 178 states and 227 transitions. [2020-08-21 21:15:31,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 21:15:31,856 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 21:15:31,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:15:31,858 INFO L225 Difference]: With dead ends: 178 [2020-08-21 21:15:31,859 INFO L226 Difference]: Without dead ends: 115 [2020-08-21 21:15:31,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 21:15:31,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-08-21 21:15:31,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 91. [2020-08-21 21:15:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-08-21 21:15:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2020-08-21 21:15:31,887 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 64 [2020-08-21 21:15:31,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:15:31,888 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2020-08-21 21:15:31,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:15:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2020-08-21 21:15:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-21 21:15:31,890 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:15:31,890 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:15:31,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:15:31,891 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:15:31,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:15:31,891 INFO L82 PathProgramCache]: Analyzing trace with hash 362482495, now seen corresponding path program 1 times [2020-08-21 21:15:31,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:15:31,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970995787] [2020-08-21 21:15:31,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:15:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,155 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:15:32,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:15:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:15:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:15:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:15:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:15:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:15:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 21:15:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:15:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 21:15:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 21:15:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 21:15:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:15:32,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [970995787] [2020-08-21 21:15:32,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:15:32,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 21:15:32,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196879090] [2020-08-21 21:15:32,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 21:15:32,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:15:32,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 21:15:32,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 21:15:32,257 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 5 states. [2020-08-21 21:15:32,695 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:15:33,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:15:33,070 INFO L93 Difference]: Finished difference Result 150 states and 182 transitions. [2020-08-21 21:15:33,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 21:15:33,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-08-21 21:15:33,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:15:33,073 INFO L225 Difference]: With dead ends: 150 [2020-08-21 21:15:33,073 INFO L226 Difference]: Without dead ends: 105 [2020-08-21 21:15:33,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:15:33,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-08-21 21:15:33,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 82. [2020-08-21 21:15:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-08-21 21:15:33,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2020-08-21 21:15:33,098 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 63 [2020-08-21 21:15:33,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:15:33,099 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2020-08-21 21:15:33,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 21:15:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2020-08-21 21:15:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-08-21 21:15:33,100 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:15:33,100 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:15:33,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:15:33,101 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:15:33,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:15:33,101 INFO L82 PathProgramCache]: Analyzing trace with hash 928072860, now seen corresponding path program 1 times [2020-08-21 21:15:33,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:15:33,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183745683] [2020-08-21 21:15:33,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:15:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,426 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:15:33,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:15:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:15:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:15:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:15:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:15:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:15:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:15:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:15:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 21:15:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 21:15:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 21:15:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:15:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 21:15:33,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183745683] [2020-08-21 21:15:33,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:15:33,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 21:15:33,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317383923] [2020-08-21 21:15:33,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:15:33,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:15:33,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:15:33,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:15:33,534 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 8 states. [2020-08-21 21:15:33,890 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:15:34,484 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:15:34,964 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:15:35,190 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:15:35,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:15:35,253 INFO L93 Difference]: Finished difference Result 151 states and 189 transitions. [2020-08-21 21:15:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 21:15:35,254 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-08-21 21:15:35,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:15:35,255 INFO L225 Difference]: With dead ends: 151 [2020-08-21 21:15:35,255 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:15:35,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-21 21:15:35,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:15:35,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:15:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:15:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:15:35,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2020-08-21 21:15:35,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:15:35,261 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:15:35,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:15:35,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:15:35,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:15:35,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:15:35,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:15:36,262 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 21:15:36,484 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 21:15:36,649 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 21:15:36,813 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 21:15:36,968 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 21:15:37,150 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 21:15:37,369 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:15:37,546 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-08-21 21:15:37,711 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 16 [2020-08-21 21:15:37,907 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 21 [2020-08-21 21:15:38,057 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 21:15:38,281 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 21:15:38,438 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 21:15:38,592 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2020-08-21 21:15:38,596 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-08-21 21:15:38,596 INFO L268 CegarLoopResult]: For program point L348-1(lines 348 352) no Hoare annotation was computed. [2020-08-21 21:15:38,597 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-08-21 21:15:38,597 INFO L268 CegarLoopResult]: For program point L342-2(lines 342 363) no Hoare annotation was computed. [2020-08-21 21:15:38,597 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 317 372) no Hoare annotation was computed. [2020-08-21 21:15:38,597 INFO L268 CegarLoopResult]: For program point L364(lines 341 365) no Hoare annotation was computed. [2020-08-21 21:15:38,598 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 317 372) no Hoare annotation was computed. [2020-08-21 21:15:38,598 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 317 372) no Hoare annotation was computed. [2020-08-21 21:15:38,598 INFO L268 CegarLoopResult]: For program point L418-1(line 418) no Hoare annotation was computed. [2020-08-21 21:15:38,598 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 373 432) no Hoare annotation was computed. [2020-08-21 21:15:38,598 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-08-21 21:15:38,599 INFO L268 CegarLoopResult]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2020-08-21 21:15:38,599 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-08-21 21:15:38,599 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 373 432) no Hoare annotation was computed. [2020-08-21 21:15:38,600 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 424) no Hoare annotation was computed. [2020-08-21 21:15:38,600 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 373 432) no Hoare annotation was computed. [2020-08-21 21:15:38,600 INFO L268 CegarLoopResult]: For program point L425(lines 398 426) no Hoare annotation was computed. [2020-08-21 21:15:38,600 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 21:15:38,600 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 248 254) the Hoare annotation is: true [2020-08-21 21:15:38,601 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 248 254) no Hoare annotation was computed. [2020-08-21 21:15:38,601 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 255 263) no Hoare annotation was computed. [2020-08-21 21:15:38,601 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 255 263) the Hoare annotation is: true [2020-08-21 21:15:38,601 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 255 263) no Hoare annotation was computed. [2020-08-21 21:15:38,602 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 634 641) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,602 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 634 641) no Hoare annotation was computed. [2020-08-21 21:15:38,602 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 634 641) no Hoare annotation was computed. [2020-08-21 21:15:38,602 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 642 651) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,602 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 642 651) no Hoare annotation was computed. [2020-08-21 21:15:38,603 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-08-21 21:15:38,603 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 642 651) no Hoare annotation was computed. [2020-08-21 21:15:38,603 INFO L264 CegarLoopResult]: At program point L667(line 667) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-08-21 21:15:38,603 INFO L268 CegarLoopResult]: For program point L665(lines 665 671) no Hoare annotation was computed. [2020-08-21 21:15:38,603 INFO L268 CegarLoopResult]: For program point L664(lines 664 674) no Hoare annotation was computed. [2020-08-21 21:15:38,603 INFO L271 CegarLoopResult]: At program point L662(line 662) the Hoare annotation is: true [2020-08-21 21:15:38,604 INFO L268 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-08-21 21:15:38,604 INFO L268 CegarLoopResult]: For program point L660(lines 660 677) no Hoare annotation was computed. [2020-08-21 21:15:38,604 INFO L268 CegarLoopResult]: For program point L660-1(lines 652 680) no Hoare annotation was computed. [2020-08-21 21:15:38,604 INFO L271 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: true [2020-08-21 21:15:38,604 INFO L268 CegarLoopResult]: For program point L658-1(line 658) no Hoare annotation was computed. [2020-08-21 21:15:38,605 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 652 680) the Hoare annotation is: true [2020-08-21 21:15:38,605 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 652 680) no Hoare annotation was computed. [2020-08-21 21:15:38,605 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 206 228) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,605 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,606 INFO L264 CegarLoopResult]: At program point L218-1(line 218) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,606 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 206 228) no Hoare annotation was computed. [2020-08-21 21:15:38,606 INFO L268 CegarLoopResult]: For program point L216(lines 216 223) no Hoare annotation was computed. [2020-08-21 21:15:38,606 INFO L268 CegarLoopResult]: For program point L216-1(lines 216 223) no Hoare annotation was computed. [2020-08-21 21:15:38,606 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-08-21 21:15:38,607 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,607 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,607 INFO L264 CegarLoopResult]: At program point L212-1(line 212) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,607 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 206 228) no Hoare annotation was computed. [2020-08-21 21:15:38,607 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 159 182) no Hoare annotation was computed. [2020-08-21 21:15:38,608 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 159 182) no Hoare annotation was computed. [2020-08-21 21:15:38,608 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 159 182) no Hoare annotation was computed. [2020-08-21 21:15:38,608 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-08-21 21:15:38,608 INFO L268 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-08-21 21:15:38,608 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 21:15:38,608 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-08-21 21:15:38,609 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-08-21 21:15:38,609 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 21:15:38,609 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-08-21 21:15:38,609 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-08-21 21:15:38,609 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 21:15:38,609 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-08-21 21:15:38,609 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-08-21 21:15:38,610 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 21:15:38,610 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-08-21 21:15:38,610 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-08-21 21:15:38,610 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2020-08-21 21:15:38,610 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2020-08-21 21:15:38,610 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 813 821) no Hoare annotation was computed. [2020-08-21 21:15:38,610 INFO L268 CegarLoopResult]: For program point L829(lines 829 837) no Hoare annotation was computed. [2020-08-21 21:15:38,611 INFO L268 CegarLoopResult]: For program point L829-2(lines 829 837) no Hoare annotation was computed. [2020-08-21 21:15:38,611 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-08-21 21:15:38,611 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-08-21 21:15:38,611 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 822 857) no Hoare annotation was computed. [2020-08-21 21:15:38,611 INFO L268 CegarLoopResult]: For program point L841(lines 841 849) no Hoare annotation was computed. [2020-08-21 21:15:38,611 INFO L268 CegarLoopResult]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2020-08-21 21:15:38,611 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 822 857) no Hoare annotation was computed. [2020-08-21 21:15:38,611 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 822 857) no Hoare annotation was computed. [2020-08-21 21:15:38,612 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 241 247) no Hoare annotation was computed. [2020-08-21 21:15:38,612 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 241 247) the Hoare annotation is: true [2020-08-21 21:15:38,619 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 271 316) no Hoare annotation was computed. [2020-08-21 21:15:38,620 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 271 316) no Hoare annotation was computed. [2020-08-21 21:15:38,620 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 271 316) no Hoare annotation was computed. [2020-08-21 21:15:38,620 INFO L268 CegarLoopResult]: For program point L604(lines 604 611) no Hoare annotation was computed. [2020-08-21 21:15:38,620 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 584 629) no Hoare annotation was computed. [2020-08-21 21:15:38,620 INFO L268 CegarLoopResult]: For program point L598(lines 598 618) no Hoare annotation was computed. [2020-08-21 21:15:38,620 INFO L268 CegarLoopResult]: For program point L598-1(lines 598 618) no Hoare annotation was computed. [2020-08-21 21:15:38,621 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 584 629) no Hoare annotation was computed. [2020-08-21 21:15:38,621 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 584 629) no Hoare annotation was computed. [2020-08-21 21:15:38,621 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 192 202) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,621 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 192 202) no Hoare annotation was computed. [2020-08-21 21:15:38,621 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 192 202) no Hoare annotation was computed. [2020-08-21 21:15:38,621 INFO L271 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: true [2020-08-21 21:15:38,622 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 802 812) no Hoare annotation was computed. [2020-08-21 21:15:38,622 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2020-08-21 21:15:38,622 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-08-21 21:15:38,622 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 802 812) no Hoare annotation was computed. [2020-08-21 21:15:38,622 INFO L268 CegarLoopResult]: For program point L807-1(line 807) no Hoare annotation was computed. [2020-08-21 21:15:38,622 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 794 801) no Hoare annotation was computed. [2020-08-21 21:15:38,622 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2020-08-21 21:15:38,623 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 794 801) no Hoare annotation was computed. [2020-08-21 21:15:38,623 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 779 785) no Hoare annotation was computed. [2020-08-21 21:15:38,623 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 779 785) the Hoare annotation is: true [2020-08-21 21:15:38,623 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= test_~splverifierCounter~0 0)) [2020-08-21 21:15:38,623 INFO L264 CegarLoopResult]: At program point testENTRY(lines 682 745) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,623 INFO L264 CegarLoopResult]: At program point L735(lines 692 737) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= test_~splverifierCounter~0 0)) [2020-08-21 21:15:38,624 INFO L268 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2020-08-21 21:15:38,624 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2020-08-21 21:15:38,624 INFO L268 CegarLoopResult]: For program point testFINAL(lines 682 745) no Hoare annotation was computed. [2020-08-21 21:15:38,624 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-08-21 21:15:38,624 INFO L264 CegarLoopResult]: At program point L738(lines 691 739) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-08-21 21:15:38,624 INFO L268 CegarLoopResult]: For program point L728(lines 728 732) no Hoare annotation was computed. [2020-08-21 21:15:38,624 INFO L264 CegarLoopResult]: At program point L728-2(lines 722 733) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= test_~splverifierCounter~0 0)) [2020-08-21 21:15:38,625 INFO L268 CegarLoopResult]: For program point L693(lines 692 737) no Hoare annotation was computed. [2020-08-21 21:15:38,625 INFO L268 CegarLoopResult]: For program point L722(lines 722 733) no Hoare annotation was computed. [2020-08-21 21:15:38,625 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= test_~splverifierCounter~0 0)) [2020-08-21 21:15:38,625 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-08-21 21:15:38,625 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2020-08-21 21:15:38,625 INFO L268 CegarLoopResult]: For program point testEXIT(lines 682 745) no Hoare annotation was computed. [2020-08-21 21:15:38,626 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 538 583) no Hoare annotation was computed. [2020-08-21 21:15:38,626 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 538 583) no Hoare annotation was computed. [2020-08-21 21:15:38,626 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 538 583) no Hoare annotation was computed. [2020-08-21 21:15:38,626 INFO L268 CegarLoopResult]: For program point L558(lines 558 565) no Hoare annotation was computed. [2020-08-21 21:15:38,626 INFO L268 CegarLoopResult]: For program point L552(lines 552 572) no Hoare annotation was computed. [2020-08-21 21:15:38,626 INFO L268 CegarLoopResult]: For program point L552-1(lines 552 572) no Hoare annotation was computed. [2020-08-21 21:15:38,626 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-21 21:15:38,626 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-21 21:15:38,627 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-21 21:15:38,627 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-21 21:15:38,627 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-21 21:15:38,627 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 231 240) no Hoare annotation was computed. [2020-08-21 21:15:38,627 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 231 240) no Hoare annotation was computed. [2020-08-21 21:15:38,627 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 231 240) no Hoare annotation was computed. [2020-08-21 21:15:38,627 INFO L268 CegarLoopResult]: For program point L481(lines 481 522) no Hoare annotation was computed. [2020-08-21 21:15:38,627 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 435 537) no Hoare annotation was computed. [2020-08-21 21:15:38,627 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-21 21:15:38,627 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-08-21 21:15:38,628 INFO L268 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-08-21 21:15:38,628 INFO L268 CegarLoopResult]: For program point L523(lines 523 534) no Hoare annotation was computed. [2020-08-21 21:15:38,628 INFO L268 CegarLoopResult]: For program point L486(lines 486 490) no Hoare annotation was computed. [2020-08-21 21:15:38,628 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 435 537) no Hoare annotation was computed. [2020-08-21 21:15:38,628 INFO L268 CegarLoopResult]: For program point L484-2(lines 484 504) no Hoare annotation was computed. [2020-08-21 21:15:38,628 INFO L268 CegarLoopResult]: For program point L505(lines 483 506) no Hoare annotation was computed. [2020-08-21 21:15:38,628 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 435 537) no Hoare annotation was computed. [2020-08-21 21:15:38,628 INFO L268 CegarLoopResult]: For program point L464(lines 464 480) no Hoare annotation was computed. [2020-08-21 21:15:38,628 INFO L268 CegarLoopResult]: For program point L524(lines 524 531) no Hoare annotation was computed. [2020-08-21 21:15:38,628 INFO L268 CegarLoopResult]: For program point L485(lines 484 504) no Hoare annotation was computed. [2020-08-21 21:15:38,629 INFO L268 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-08-21 21:15:38,629 INFO L268 CegarLoopResult]: For program point L516-1(line 516) no Hoare annotation was computed. [2020-08-21 21:15:38,629 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:15:38,629 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 21:15:38,630 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:15:38,630 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 786 793) no Hoare annotation was computed. [2020-08-21 21:15:38,630 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2020-08-21 21:15:38,630 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 786 793) no Hoare annotation was computed. [2020-08-21 21:15:38,630 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-21 21:15:38,630 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-21 21:15:38,630 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-21 21:15:38,631 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 21:15:38,631 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-21 21:15:38,631 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-21 21:15:38,631 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:15:38,631 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 21:15:38,631 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:15:38,631 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2020-08-21 21:15:38,632 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-21 21:15:38,632 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-21 21:15:38,632 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-08-21 21:15:38,632 INFO L271 CegarLoopResult]: At program point L766(lines 766 772) the Hoare annotation is: true [2020-08-21 21:15:38,632 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-08-21 21:15:38,632 INFO L268 CegarLoopResult]: For program point L759(lines 755 777) no Hoare annotation was computed. [2020-08-21 21:15:38,632 INFO L268 CegarLoopResult]: For program point L757(lines 755 777) no Hoare annotation was computed. [2020-08-21 21:15:38,633 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 752 778) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,633 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 752 778) no Hoare annotation was computed. [2020-08-21 21:15:38,633 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 752 778) no Hoare annotation was computed. [2020-08-21 21:15:38,633 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 128 157) no Hoare annotation was computed. [2020-08-21 21:15:38,633 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 128 157) the Hoare annotation is: true [2020-08-21 21:15:38,633 INFO L271 CegarLoopResult]: At program point L153(lines 128 157) the Hoare annotation is: true [2020-08-21 21:15:38,634 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-21 21:15:38,634 INFO L268 CegarLoopResult]: For program point L142(lines 142 146) no Hoare annotation was computed. [2020-08-21 21:15:38,634 INFO L271 CegarLoopResult]: At program point L142-1(lines 142 146) the Hoare annotation is: true [2020-08-21 21:15:38,634 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 21:15:38,634 INFO L271 CegarLoopResult]: At program point L138-2(lines 138 152) the Hoare annotation is: true [2020-08-21 21:15:38,634 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-08-21 21:15:38,635 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-08-21 21:15:38,635 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-21 21:15:38,635 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-21 21:15:38,635 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-21 21:15:38,635 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 183 189) no Hoare annotation was computed. [2020-08-21 21:15:38,635 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 183 189) the Hoare annotation is: true [2020-08-21 21:15:38,636 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:15:38,636 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 21:15:38,636 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:15:38,636 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:15:38,636 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-21 21:15:38,636 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-21 21:15:38,637 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 21:15:38,637 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 859 866) no Hoare annotation was computed. [2020-08-21 21:15:38,637 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2020-08-21 21:15:38,637 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2020-08-21 21:15:38,637 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2020-08-21 21:15:38,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:15:38 BoogieIcfgContainer [2020-08-21 21:15:38,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:15:38,659 INFO L168 Benchmark]: Toolchain (without parser) took 13156.28 ms. Allocated memory was 140.0 MB in the beginning and 466.6 MB in the end (delta: 326.6 MB). Free memory was 102.3 MB in the beginning and 120.2 MB in the end (delta: -17.8 MB). Peak memory consumption was 309.0 MB. Max. memory is 7.1 GB. [2020-08-21 21:15:38,660 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-21 21:15:38,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.33 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.9 MB in the beginning and 174.7 MB in the end (delta: -72.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-08-21 21:15:38,661 INFO L168 Benchmark]: Boogie Preprocessor took 118.74 ms. Allocated memory is still 204.5 MB. Free memory was 174.7 MB in the beginning and 170.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-21 21:15:38,662 INFO L168 Benchmark]: RCFGBuilder took 1211.39 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 170.7 MB in the beginning and 204.7 MB in the end (delta: -34.0 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2020-08-21 21:15:38,663 INFO L168 Benchmark]: TraceAbstraction took 11189.14 ms. Allocated memory was 237.5 MB in the beginning and 466.6 MB in the end (delta: 229.1 MB). Free memory was 204.7 MB in the beginning and 120.2 MB in the end (delta: 84.5 MB). Peak memory consumption was 313.8 MB. Max. memory is 7.1 GB. [2020-08-21 21:15:38,671 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.33 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.9 MB in the beginning and 174.7 MB in the end (delta: -72.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.74 ms. Allocated memory is still 204.5 MB. Free memory was 174.7 MB in the beginning and 170.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1211.39 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 170.7 MB in the beginning and 204.7 MB in the end (delta: -34.0 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11189.14 ms. Allocated memory was 237.5 MB in the beginning and 466.6 MB in the end (delta: 229.1 MB). Free memory was 204.7 MB in the beginning and 120.2 MB in the end (delta: 84.5 MB). Peak memory consumption was 313.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 692]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(1 == systemActive)) || splverifierCounter == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: !(systemActive == 1) || !(pumpRunning == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 331 SDtfs, 477 SDslu, 277 SDs, 0 SdLazy, 873 SolverSat, 290 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred 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, 4 MinimizatonAttempts, 71 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 149 PreInvPairs, 167 NumberOfFragments, 512 HoareAnnotationTreeSize, 149 FomulaSimplifications, 7732 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 43 FomulaSimplificationsInter, 4675 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 72574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...