./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 920725b4778fe7902e2cc2a93ab39c30358d9d16 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:43:21,114 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:21,116 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:21,128 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:21,129 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:21,130 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:21,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:21,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:21,136 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:21,137 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:21,138 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:21,138 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:21,139 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:21,140 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:21,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:21,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:21,144 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:21,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:21,148 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:21,150 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:21,152 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:21,153 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:21,156 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:21,156 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:21,156 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:21,157 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:21,161 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:21,161 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:21,164 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:21,165 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:21,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:21,168 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:21,168 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:21,168 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:21,169 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:21,170 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:21,170 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:21,199 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:21,199 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:21,201 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:21,201 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:21,202 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:21,202 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:21,202 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:21,202 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:21,203 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:21,203 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:21,204 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:21,204 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:21,204 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:21,204 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:21,204 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:21,204 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:21,205 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:21,206 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:21,206 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:21,206 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:21,206 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:21,206 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:21,207 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:21,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:21,207 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:21,207 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:21,208 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:21,208 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:21,208 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:21,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:21,208 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2018-11-28 18:43:21,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:21,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:21,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:21,297 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:21,297 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:21,298 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:21,364 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66707e300/b8c01a74d30f4a338090f45fe4d753c3/FLAGfbfc8513c [2018-11-28 18:43:21,922 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:21,923 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:21,936 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66707e300/b8c01a74d30f4a338090f45fe4d753c3/FLAGfbfc8513c [2018-11-28 18:43:22,207 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66707e300/b8c01a74d30f4a338090f45fe4d753c3 [2018-11-28 18:43:22,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:22,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:22,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:22,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:22,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:22,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:22" (1/1) ... [2018-11-28 18:43:22,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c9ac3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22, skipping insertion in model container [2018-11-28 18:43:22,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:22" (1/1) ... [2018-11-28 18:43:22,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:22,294 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:22,722 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:22,744 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:22,828 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:22,945 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:22,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22 WrapperNode [2018-11-28 18:43:22,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:22,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:22,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:22,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:22,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22" (1/1) ... [2018-11-28 18:43:22,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22" (1/1) ... [2018-11-28 18:43:23,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:23,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:23,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:23,000 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:23,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22" (1/1) ... [2018-11-28 18:43:23,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22" (1/1) ... [2018-11-28 18:43:23,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22" (1/1) ... [2018-11-28 18:43:23,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22" (1/1) ... [2018-11-28 18:43:23,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22" (1/1) ... [2018-11-28 18:43:23,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22" (1/1) ... [2018-11-28 18:43:23,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22" (1/1) ... [2018-11-28 18:43:23,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:23,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:23,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:23,040 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:23,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2018-11-28 18:43:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:43:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:43:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:43:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:43:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:43:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:43:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:24,030 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:24,030 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:24,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:24 BoogieIcfgContainer [2018-11-28 18:43:24,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:24,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:24,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:24,035 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:24,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:22" (1/3) ... [2018-11-28 18:43:24,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642f4bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:24, skipping insertion in model container [2018-11-28 18:43:24,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:22" (2/3) ... [2018-11-28 18:43:24,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642f4bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:24, skipping insertion in model container [2018-11-28 18:43:24,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:24" (3/3) ... [2018-11-28 18:43:24,039 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:24,049 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:24,058 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:24,078 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:24,113 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:24,114 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:24,114 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:24,114 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:24,115 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:24,115 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:24,115 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:24,115 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:24,115 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-11-28 18:43:24,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:24,150 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:24,151 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:24,153 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:24,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:24,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1086289389, now seen corresponding path program 1 times [2018-11-28 18:43:24,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:24,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:24,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:24,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:24,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:24,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:24,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:24,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:24,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:24,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:24,516 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-11-28 18:43:24,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:24,561 INFO L93 Difference]: Finished difference Result 208 states and 259 transitions. [2018-11-28 18:43:24,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:24,563 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:24,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:24,577 INFO L225 Difference]: With dead ends: 208 [2018-11-28 18:43:24,577 INFO L226 Difference]: Without dead ends: 104 [2018-11-28 18:43:24,582 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:24,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-28 18:43:24,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-28 18:43:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-28 18:43:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2018-11-28 18:43:24,642 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2018-11-28 18:43:24,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:24,642 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2018-11-28 18:43:24,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2018-11-28 18:43:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:24,646 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:24,646 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:24,647 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:24,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:24,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1362542156, now seen corresponding path program 1 times [2018-11-28 18:43:24,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:24,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:24,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:24,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:24,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:24,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:24,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:24,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:24,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:24,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:24,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:24,843 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2018-11-28 18:43:24,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:24,877 INFO L93 Difference]: Finished difference Result 157 states and 181 transitions. [2018-11-28 18:43:24,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:24,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:24,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:24,880 INFO L225 Difference]: With dead ends: 157 [2018-11-28 18:43:24,880 INFO L226 Difference]: Without dead ends: 95 [2018-11-28 18:43:24,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:24,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-28 18:43:24,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-28 18:43:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-28 18:43:24,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2018-11-28 18:43:24,898 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2018-11-28 18:43:24,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:24,898 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2018-11-28 18:43:24,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2018-11-28 18:43:24,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:43:24,902 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:24,902 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:24,902 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:24,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:24,903 INFO L82 PathProgramCache]: Analyzing trace with hash 47908363, now seen corresponding path program 1 times [2018-11-28 18:43:24,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:24,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:24,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:24,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:24,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:25,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:25,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:25,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:25,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:25,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:25,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:25,157 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2018-11-28 18:43:26,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:26,073 INFO L93 Difference]: Finished difference Result 166 states and 195 transitions. [2018-11-28 18:43:26,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:43:26,074 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 18:43:26,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:26,076 INFO L225 Difference]: With dead ends: 166 [2018-11-28 18:43:26,076 INFO L226 Difference]: Without dead ends: 95 [2018-11-28 18:43:26,078 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:26,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-28 18:43:26,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-28 18:43:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-28 18:43:26,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2018-11-28 18:43:26,091 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2018-11-28 18:43:26,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:26,091 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2018-11-28 18:43:26,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2018-11-28 18:43:26,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:43:26,094 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:26,094 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:26,094 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:26,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:26,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1726195190, now seen corresponding path program 1 times [2018-11-28 18:43:26,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:26,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:26,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:26,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:26,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:26,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:26,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:26,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:26,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:26,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:26,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:26,293 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 6 states. [2018-11-28 18:43:26,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:26,975 INFO L93 Difference]: Finished difference Result 230 states and 273 transitions. [2018-11-28 18:43:26,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:26,976 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-28 18:43:26,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:26,981 INFO L225 Difference]: With dead ends: 230 [2018-11-28 18:43:26,981 INFO L226 Difference]: Without dead ends: 159 [2018-11-28 18:43:26,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:26,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-28 18:43:27,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2018-11-28 18:43:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-28 18:43:27,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2018-11-28 18:43:27,006 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2018-11-28 18:43:27,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:27,007 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2018-11-28 18:43:27,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2018-11-28 18:43:27,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 18:43:27,010 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:27,010 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:27,011 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:27,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:27,011 INFO L82 PathProgramCache]: Analyzing trace with hash 644791662, now seen corresponding path program 1 times [2018-11-28 18:43:27,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:27,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:27,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:27,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:27,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:27,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:27,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:27,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:27,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:27,545 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 7 states. [2018-11-28 18:43:28,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:28,261 INFO L93 Difference]: Finished difference Result 245 states and 292 transitions. [2018-11-28 18:43:28,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:28,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2018-11-28 18:43:28,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:28,263 INFO L225 Difference]: With dead ends: 245 [2018-11-28 18:43:28,264 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:28,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:43:28,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:28,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:28,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:28,272 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-11-28 18:43:28,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:28,274 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:28,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:28,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:28,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:28,534 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2018-11-28 18:43:28,907 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2018-11-28 18:43:29,213 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2018-11-28 18:43:29,733 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 301 308) the Hoare annotation is: true [2018-11-28 18:43:29,734 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2018-11-28 18:43:29,734 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 301 308) no Hoare annotation was computed. [2018-11-28 18:43:29,734 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:43:29,734 INFO L448 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2018-11-28 18:43:29,734 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 271) no Hoare annotation was computed. [2018-11-28 18:43:29,734 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2018-11-28 18:43:29,734 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:43:29,734 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:43:29,735 INFO L448 ceAbstractionStarter]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2018-11-28 18:43:29,735 INFO L444 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:43:29,735 INFO L444 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:43:29,735 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 266) no Hoare annotation was computed. [2018-11-28 18:43:29,735 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2018-11-28 18:43:29,735 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2018-11-28 18:43:29,735 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 242 248) no Hoare annotation was computed. [2018-11-28 18:43:29,735 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 242 248) the Hoare annotation is: true [2018-11-28 18:43:29,739 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2018-11-28 18:43:29,739 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2018-11-28 18:43:29,739 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2018-11-28 18:43:29,739 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 386 449) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:29,739 INFO L444 ceAbstractionStarter]: At program point L442(lines 395 443) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:29,739 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 386 449) no Hoare annotation was computed. [2018-11-28 18:43:29,741 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 436) no Hoare annotation was computed. [2018-11-28 18:43:29,741 INFO L444 ceAbstractionStarter]: At program point L432-2(lines 426 437) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:43:29,741 INFO L448 ceAbstractionStarter]: For program point L397(lines 396 441) no Hoare annotation was computed. [2018-11-28 18:43:29,741 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 437) no Hoare annotation was computed. [2018-11-28 18:43:29,742 INFO L444 ceAbstractionStarter]: At program point L418(line 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:43:29,742 INFO L448 ceAbstractionStarter]: For program point L416(lines 416 422) no Hoare annotation was computed. [2018-11-28 18:43:29,742 INFO L448 ceAbstractionStarter]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2018-11-28 18:43:29,742 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:43:29,742 INFO L444 ceAbstractionStarter]: At program point L439(lines 396 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:43:29,742 INFO L448 ceAbstractionStarter]: For program point L406(lines 406 412) no Hoare annotation was computed. [2018-11-28 18:43:29,742 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2018-11-28 18:43:29,745 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 402) no Hoare annotation was computed. [2018-11-28 18:43:29,745 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 386 449) no Hoare annotation was computed. [2018-11-28 18:43:29,746 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:29,746 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2018-11-28 18:43:29,746 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:29,746 INFO L444 ceAbstractionStarter]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:29,746 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 540) no Hoare annotation was computed. [2018-11-28 18:43:29,746 INFO L448 ceAbstractionStarter]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2018-11-28 18:43:29,746 INFO L448 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2018-11-28 18:43:29,747 INFO L444 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:29,747 INFO L444 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:29,747 INFO L444 ceAbstractionStarter]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:29,747 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2018-11-28 18:43:29,747 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 320 328) no Hoare annotation was computed. [2018-11-28 18:43:29,747 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 320 328) the Hoare annotation is: true [2018-11-28 18:43:29,747 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 320 328) no Hoare annotation was computed. [2018-11-28 18:43:29,747 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-28 18:43:29,751 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-28 18:43:29,751 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-28 18:43:29,751 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:29,751 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:43:29,752 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:29,752 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 365 383) the Hoare annotation is: true [2018-11-28 18:43:29,752 INFO L448 ceAbstractionStarter]: For program point L374(lines 374 378) no Hoare annotation was computed. [2018-11-28 18:43:29,752 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 365 383) no Hoare annotation was computed. [2018-11-28 18:43:29,752 INFO L451 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: true [2018-11-28 18:43:29,752 INFO L448 ceAbstractionStarter]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2018-11-28 18:43:29,752 INFO L448 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2018-11-28 18:43:29,752 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 365 383) no Hoare annotation was computed. [2018-11-28 18:43:29,752 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-28 18:43:29,753 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:29,753 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-28 18:43:29,753 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 452 481) no Hoare annotation was computed. [2018-11-28 18:43:29,753 INFO L451 ceAbstractionStarter]: At program point L477(lines 452 481) the Hoare annotation is: true [2018-11-28 18:43:29,753 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 452 481) the Hoare annotation is: true [2018-11-28 18:43:29,753 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 18:43:29,753 INFO L448 ceAbstractionStarter]: For program point L466(lines 466 470) no Hoare annotation was computed. [2018-11-28 18:43:29,753 INFO L451 ceAbstractionStarter]: At program point L466-1(lines 466 470) the Hoare annotation is: true [2018-11-28 18:43:29,754 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-28 18:43:29,758 INFO L451 ceAbstractionStarter]: At program point L462-2(lines 462 476) the Hoare annotation is: true [2018-11-28 18:43:29,758 INFO L451 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2018-11-28 18:43:29,758 INFO L448 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-11-28 18:43:29,759 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:43:29,759 INFO L448 ceAbstractionStarter]: For program point L222(lines 221 240) no Hoare annotation was computed. [2018-11-28 18:43:29,759 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 218 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:43:29,759 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 218 241) no Hoare annotation was computed. [2018-11-28 18:43:29,759 INFO L444 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:43:29,759 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 218 241) no Hoare annotation was computed. [2018-11-28 18:43:29,759 INFO L444 ceAbstractionStarter]: At program point L229(lines 229 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:43:29,760 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-28 18:43:29,762 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-28 18:43:29,762 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-28 18:43:29,762 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-28 18:43:29,762 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-28 18:43:29,763 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-28 18:43:29,763 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2018-11-28 18:43:29,763 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2018-11-28 18:43:29,763 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 506 512) no Hoare annotation was computed. [2018-11-28 18:43:29,763 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 506 512) the Hoare annotation is: true [2018-11-28 18:43:29,763 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:29,763 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 18:43:29,763 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:29,763 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:29,764 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-28 18:43:29,764 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-28 18:43:29,764 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2018-11-28 18:43:29,764 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2018-11-28 18:43:29,764 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2018-11-28 18:43:29,764 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2018-11-28 18:43:29,764 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2018-11-28 18:43:29,764 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 513 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:29,767 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 513 522) no Hoare annotation was computed. [2018-11-28 18:43:29,767 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 513 522) no Hoare annotation was computed. [2018-11-28 18:43:29,767 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-28 18:43:29,767 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2018-11-28 18:43:29,767 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 194) no Hoare annotation was computed. [2018-11-28 18:43:29,767 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:29,767 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-28 18:43:29,768 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-11-28 18:43:29,768 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2018-11-28 18:43:29,768 INFO L448 ceAbstractionStarter]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2018-11-28 18:43:29,768 INFO L451 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2018-11-28 18:43:29,768 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-28 18:43:29,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:29 BoogieIcfgContainer [2018-11-28 18:43:29,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:29,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:29,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:29,788 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:29,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:24" (3/4) ... [2018-11-28 18:43:29,796 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:29,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:43:29,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:29,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:29,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:43:29,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:29,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:29,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:29,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:43:29,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:29,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:29,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:43:29,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:29,803 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:29,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:29,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:29,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:29,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:29,804 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:29,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:29,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:29,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:29,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:29,814 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:43:29,814 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:43:29,815 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:43:29,815 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:43:29,816 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:29,816 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:29,847 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) [2018-11-28 18:43:29,847 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:29,935 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:29,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:29,938 INFO L168 Benchmark]: Toolchain (without parser) took 7725.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 952.7 MB in the beginning and 1.2 GB in the end (delta: -214.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:29,938 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:29,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:29,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:29,941 INFO L168 Benchmark]: Boogie Preprocessor took 39.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:29,942 INFO L168 Benchmark]: RCFGBuilder took 991.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:29,942 INFO L168 Benchmark]: TraceAbstraction took 5756.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -92.7 MB). Peak memory consumption was 280.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:29,942 INFO L168 Benchmark]: Witness Printer took 148.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:29,946 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 731.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 991.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5756.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -92.7 MB). Peak memory consumption was 280.1 MB. Max. memory is 11.5 GB. * Witness Printer took 148.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 117 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 523 SDtfs, 250 SDslu, 819 SDs, 0 SdLazy, 299 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 223 PreInvPairs, 236 NumberOfFragments, 428 HoareAnnotationTreeSize, 223 FomulaSimplifications, 68 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 705 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 26179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...