./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1f034cb6fa303b17a6a0878d4fa1463b5386073 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:02:37,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:02:37,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:02:37,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:02:37,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:02:37,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:02:37,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:02:37,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:02:37,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:02:37,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:02:37,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:02:37,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:02:37,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:02:37,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:02:37,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:02:37,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:02:37,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:02:37,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:02:37,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:02:37,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:02:37,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:02:37,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:02:37,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:02:37,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:02:37,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:02:37,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:02:37,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:02:37,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:02:37,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:02:37,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:02:37,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:02:37,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:02:37,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:02:37,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:02:37,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:02:37,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:02:37,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:02:37,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:02:37,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:02:37,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:02:37,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:02:37,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:02:37,218 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:02:37,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:02:37,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:02:37,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:02:37,222 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:02:37,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:02:37,222 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:02:37,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:02:37,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:02:37,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:02:37,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:02:37,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:02:37,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:02:37,225 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:02:37,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:02:37,225 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:02:37,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:02:37,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:02:37,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:02:37,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:02:37,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:02:37,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:02:37,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:02:37,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:02:37,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:02:37,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:02:37,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:02:37,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:02:37,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:02:37,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f034cb6fa303b17a6a0878d4fa1463b5386073 [2020-11-28 03:02:37,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:02:37,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:02:37,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:02:37,513 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:02:37,514 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:02:37,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2020-11-28 03:02:37,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/data/714963799/cad71797dc41443da483ce8cc8c5d53c/FLAGd35e6e9b7 [2020-11-28 03:02:38,166 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:02:38,170 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2020-11-28 03:02:38,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/data/714963799/cad71797dc41443da483ce8cc8c5d53c/FLAGd35e6e9b7 [2020-11-28 03:02:38,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/data/714963799/cad71797dc41443da483ce8cc8c5d53c [2020-11-28 03:02:38,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:02:38,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:02:38,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:38,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:02:38,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:02:38,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:38" (1/1) ... [2020-11-28 03:02:38,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d069e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38, skipping insertion in model container [2020-11-28 03:02:38,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:02:38" (1/1) ... [2020-11-28 03:02:38,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:02:38,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:02:38,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:02:38,829 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:02:38,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:02:38,955 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:02:38,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38 WrapperNode [2020-11-28 03:02:38,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:02:38,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:02:38,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:02:38,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:02:38,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38" (1/1) ... [2020-11-28 03:02:38,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38" (1/1) ... [2020-11-28 03:02:39,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:02:39,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:02:39,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:02:39,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:02:39,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38" (1/1) ... [2020-11-28 03:02:39,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38" (1/1) ... [2020-11-28 03:02:39,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38" (1/1) ... [2020-11-28 03:02:39,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38" (1/1) ... [2020-11-28 03:02:39,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38" (1/1) ... [2020-11-28 03:02:39,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38" (1/1) ... [2020-11-28 03:02:39,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38" (1/1) ... [2020-11-28 03:02:39,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:02:39,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:02:39,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:02:39,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:02:39,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/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 [2020-11-28 03:02:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:02:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:02:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:02:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:02:40,148 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:02:40,149 INFO L298 CfgBuilder]: Removed 76 assume(true) statements. [2020-11-28 03:02:40,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:40 BoogieIcfgContainer [2020-11-28 03:02:40,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:02:40,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:02:40,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:02:40,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:02:40,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:02:38" (1/3) ... [2020-11-28 03:02:40,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789d22bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:40, skipping insertion in model container [2020-11-28 03:02:40,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:02:38" (2/3) ... [2020-11-28 03:02:40,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789d22bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:02:40, skipping insertion in model container [2020-11-28 03:02:40,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:40" (3/3) ... [2020-11-28 03:02:40,159 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2020-11-28 03:02:40,170 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:02:40,174 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:02:40,185 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:02:40,214 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:02:40,214 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:02:40,214 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:02:40,214 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:02:40,214 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:02:40,214 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:02:40,214 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:02:40,214 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:02:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-11-28 03:02:40,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:02:40,232 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:40,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:40,233 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:40,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:40,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1328737855, now seen corresponding path program 1 times [2020-11-28 03:02:40,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:40,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110171193] [2020-11-28 03:02:40,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:40,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:40,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110171193] [2020-11-28 03:02:40,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:40,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:02:40,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284409778] [2020-11-28 03:02:40,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:02:40,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:40,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:02:40,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:02:40,614 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-11-28 03:02:40,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:40,649 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-11-28 03:02:40,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:02:40,650 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 03:02:40,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:40,662 INFO L225 Difference]: With dead ends: 115 [2020-11-28 03:02:40,663 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:02:40,668 INFO L677 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 [2020-11-28 03:02:40,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:02:40,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:02:40,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:02:40,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-11-28 03:02:40,725 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-11-28 03:02:40,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:40,726 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-11-28 03:02:40,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:02:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-11-28 03:02:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:02:40,728 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:40,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:40,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:02:40,729 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:40,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:40,732 INFO L82 PathProgramCache]: Analyzing trace with hash 281980958, now seen corresponding path program 1 times [2020-11-28 03:02:40,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:40,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735184337] [2020-11-28 03:02:40,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:40,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735184337] [2020-11-28 03:02:40,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:40,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:02:40,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775421523] [2020-11-28 03:02:40,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:02:40,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:40,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:02:40,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:02:40,910 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-11-28 03:02:40,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:40,921 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-11-28 03:02:40,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:02:40,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 03:02:40,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:40,925 INFO L225 Difference]: With dead ends: 55 [2020-11-28 03:02:40,926 INFO L226 Difference]: Without dead ends: 29 [2020-11-28 03:02:40,926 INFO L677 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 [2020-11-28 03:02:40,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-28 03:02:40,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-28 03:02:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 03:02:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-28 03:02:40,931 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-11-28 03:02:40,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:40,931 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-28 03:02:40,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:02:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-28 03:02:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:02:40,934 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:40,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:40,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:02:40,935 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:40,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:40,936 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2020-11-28 03:02:40,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:40,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091542827] [2020-11-28 03:02:40,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:41,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091542827] [2020-11-28 03:02:41,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:41,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:02:41,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223548352] [2020-11-28 03:02:41,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:02:41,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:41,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:02:41,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:02:41,056 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2020-11-28 03:02:41,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:41,076 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-11-28 03:02:41,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:02:41,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-28 03:02:41,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:41,082 INFO L225 Difference]: With dead ends: 75 [2020-11-28 03:02:41,082 INFO L226 Difference]: Without dead ends: 52 [2020-11-28 03:02:41,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:02:41,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-28 03:02:41,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-11-28 03:02:41,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-28 03:02:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-11-28 03:02:41,102 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-11-28 03:02:41,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:41,103 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-11-28 03:02:41,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:02:41,103 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-11-28 03:02:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:02:41,104 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:41,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:41,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:02:41,104 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:41,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:41,105 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2020-11-28 03:02:41,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:41,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124381208] [2020-11-28 03:02:41,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:41,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124381208] [2020-11-28 03:02:41,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:41,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:02:41,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509405837] [2020-11-28 03:02:41,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:02:41,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:41,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:02:41,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:02:41,212 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-11-28 03:02:41,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:41,360 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2020-11-28 03:02:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:02:41,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-28 03:02:41,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:41,363 INFO L225 Difference]: With dead ends: 214 [2020-11-28 03:02:41,363 INFO L226 Difference]: Without dead ends: 172 [2020-11-28 03:02:41,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:02:41,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-11-28 03:02:41,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2020-11-28 03:02:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-28 03:02:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2020-11-28 03:02:41,381 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2020-11-28 03:02:41,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:41,381 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2020-11-28 03:02:41,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:02:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-11-28 03:02:41,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:02:41,382 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:02:41,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:02:41,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:02:41,383 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:02:41,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:02:41,384 INFO L82 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2020-11-28 03:02:41,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:02:41,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294213263] [2020-11-28 03:02:41,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:02:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:02:41,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:02:41,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294213263] [2020-11-28 03:02:41,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:02:41,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:02:41,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389989033] [2020-11-28 03:02:41,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:02:41,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:02:41,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:02:41,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:02:41,469 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2020-11-28 03:02:41,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:02:41,547 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2020-11-28 03:02:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:02:41,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 03:02:41,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:02:41,551 INFO L225 Difference]: With dead ends: 268 [2020-11-28 03:02:41,551 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:02:41,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:02:41,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:02:41,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:02:41,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:02:41,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:02:41,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-11-28 03:02:41,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:02:41,554 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:02:41,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:02:41,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:02:41,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:02:41,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:02:41,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:02:41,797 INFO L274 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2020-11-28 03:02:41,798 INFO L270 CegarLoopResult]: At program point L349-1(lines 349 355) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:02:41,798 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:02:41,798 INFO L274 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2020-11-28 03:02:41,798 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2020-11-28 03:02:41,798 INFO L274 CegarLoopResult]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2020-11-28 03:02:41,798 INFO L270 CegarLoopResult]: At program point L168(lines 1 876) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:02:41,798 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:02:41,799 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:02:41,799 INFO L270 CegarLoopResult]: At program point L449(lines 444 452) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:02:41,799 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:02:41,799 INFO L270 CegarLoopResult]: At program point L449-1(lines 444 452) the Hoare annotation is: false [2020-11-28 03:02:41,799 INFO L270 CegarLoopResult]: At program point L449-2(lines 444 452) the Hoare annotation is: false [2020-11-28 03:02:41,799 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:02:41,799 INFO L274 CegarLoopResult]: For program point L317(lines 317 323) no Hoare annotation was computed. [2020-11-28 03:02:41,799 INFO L270 CegarLoopResult]: At program point L317-1(lines 317 323) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:02:41,799 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-11-28 03:02:41,800 INFO L274 CegarLoopResult]: For program point L400-1(line 400) no Hoare annotation was computed. [2020-11-28 03:02:41,800 INFO L274 CegarLoopResult]: For program point L400-2(line 400) no Hoare annotation was computed. [2020-11-28 03:02:41,800 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-28 03:02:41,800 INFO L270 CegarLoopResult]: At program point L203(lines 203 209) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:02:41,800 INFO L270 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: false [2020-11-28 03:02:41,800 INFO L270 CegarLoopResult]: At program point L203-2(lines 203 209) the Hoare annotation is: false [2020-11-28 03:02:41,800 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-28 03:02:41,800 INFO L274 CegarLoopResult]: For program point L369(lines 369 382) no Hoare annotation was computed. [2020-11-28 03:02:41,800 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:02:41,801 INFO L274 CegarLoopResult]: For program point L436(lines 436 440) no Hoare annotation was computed. [2020-11-28 03:02:41,801 INFO L270 CegarLoopResult]: At program point L387(lines 338 388) the Hoare annotation is: false [2020-11-28 03:02:41,801 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:02:41,801 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-28 03:02:41,801 INFO L274 CegarLoopResult]: For program point L58-1(lines 196 202) no Hoare annotation was computed. [2020-11-28 03:02:41,801 INFO L270 CegarLoopResult]: At program point L273(lines 268 276) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:02:41,801 INFO L270 CegarLoopResult]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2020-11-28 03:02:41,801 INFO L270 CegarLoopResult]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2020-11-28 03:02:41,802 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-28 03:02:41,802 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:02:41,802 INFO L274 CegarLoopResult]: For program point L340(lines 339 386) no Hoare annotation was computed. [2020-11-28 03:02:41,802 INFO L274 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-11-28 03:02:41,802 INFO L270 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:02:41,802 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-11-28 03:02:41,802 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:02:41,802 INFO L274 CegarLoopResult]: For program point L375(lines 375 381) no Hoare annotation was computed. [2020-11-28 03:02:41,802 INFO L270 CegarLoopResult]: At program point L375-1(lines 196 202) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:02:41,803 INFO L274 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2020-11-28 03:02:41,803 INFO L270 CegarLoopResult]: At program point L359-1(lines 359 365) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:02:41,803 INFO L270 CegarLoopResult]: At program point L196(lines 195 214) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:02:41,803 INFO L274 CegarLoopResult]: For program point L196-1(lines 196 202) no Hoare annotation was computed. [2020-11-28 03:02:41,803 INFO L270 CegarLoopResult]: At program point L196-2(lines 195 214) the Hoare annotation is: false [2020-11-28 03:02:41,803 INFO L270 CegarLoopResult]: At program point L196-3(lines 195 214) the Hoare annotation is: false [2020-11-28 03:02:41,803 INFO L274 CegarLoopResult]: For program point L494(lines 494 507) no Hoare annotation was computed. [2020-11-28 03:02:41,803 INFO L270 CegarLoopResult]: At program point L494-1(lines 1 876) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:02:41,804 INFO L274 CegarLoopResult]: For program point L494-2(lines 494 507) no Hoare annotation was computed. [2020-11-28 03:02:41,804 INFO L270 CegarLoopResult]: At program point L494-3(lines 1 876) the Hoare annotation is: false [2020-11-28 03:02:41,804 INFO L274 CegarLoopResult]: For program point L494-4(lines 494 507) no Hoare annotation was computed. [2020-11-28 03:02:41,804 INFO L270 CegarLoopResult]: At program point L494-5(lines 1 876) the Hoare annotation is: false [2020-11-28 03:02:41,804 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:02:41,808 INFO L274 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-11-28 03:02:41,808 INFO L274 CegarLoopResult]: For program point L412-3(lines 412 416) no Hoare annotation was computed. [2020-11-28 03:02:41,808 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:02:41,809 INFO L274 CegarLoopResult]: For program point L412-6(lines 412 416) no Hoare annotation was computed. [2020-11-28 03:02:41,809 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-28 03:02:41,810 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-28 03:02:41,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:02:41 BoogieIcfgContainer [2020-11-28 03:02:41,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:02:41,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:02:41,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:02:41,835 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:02:41,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:02:40" (3/4) ... [2020-11-28 03:02:41,838 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:02:41,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:02:41,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:02:41,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:02:41,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:02:41,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:02:41,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:02:41,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:02:41,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:02:41,951 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d8113e78-87c9-4c9e-9117-79e32ac3c29b/bin/uautomizer/witness.graphml [2020-11-28 03:02:41,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:02:41,953 INFO L168 Benchmark]: Toolchain (without parser) took 3472.28 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 79.2 MB in the beginning and 116.8 MB in the end (delta: -37.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:41,953 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 77.6 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:02:41,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.10 ms. Allocated memory is still 98.6 MB. Free memory was 78.9 MB in the beginning and 58.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:41,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.82 ms. Allocated memory is still 98.6 MB. Free memory was 58.7 MB in the beginning and 55.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:41,954 INFO L168 Benchmark]: Boogie Preprocessor took 59.05 ms. Allocated memory is still 98.6 MB. Free memory was 55.9 MB in the beginning and 54.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:41,955 INFO L168 Benchmark]: RCFGBuilder took 1073.59 ms. Allocated memory is still 98.6 MB. Free memory was 54.1 MB in the beginning and 47.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:41,955 INFO L168 Benchmark]: TraceAbstraction took 1682.19 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 46.5 MB in the beginning and 61.0 MB in the end (delta: -14.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:41,956 INFO L168 Benchmark]: Witness Printer took 116.32 ms. Allocated memory is still 140.5 MB. Free memory was 60.0 MB in the beginning and 116.8 MB in the end (delta: -56.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:02:41,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 77.6 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 475.10 ms. Allocated memory is still 98.6 MB. Free memory was 78.9 MB in the beginning and 58.7 MB in the end (delta: 20.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.82 ms. Allocated memory is still 98.6 MB. Free memory was 58.7 MB in the beginning and 55.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.05 ms. Allocated memory is still 98.6 MB. Free memory was 55.9 MB in the beginning and 54.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1073.59 ms. Allocated memory is still 98.6 MB. Free memory was 54.1 MB in the beginning and 47.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1682.19 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 46.5 MB in the beginning and 61.0 MB in the end (delta: -14.5 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. * Witness Printer took 116.32 ms. Allocated memory is still 140.5 MB. Free memory was 60.0 MB in the beginning and 116.8 MB in the end (delta: -56.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 266 SDslu, 271 SDs, 0 SdLazy, 42 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...