./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product16.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:05:17,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:05:17,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:05:17,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:05:17,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:05:17,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:05:17,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:05:17,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:05:17,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:05:17,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:05:17,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:05:17,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:05:17,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:05:17,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:05:17,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:05:17,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:05:17,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:05:17,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:05:17,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:05:17,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:05:17,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:05:17,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:05:17,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:05:17,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:05:17,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:05:17,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:05:17,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:05:17,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:05:17,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:05:17,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:05:17,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:05:17,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:05:17,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:05:17,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:05:17,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:05:17,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:05:17,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:05:17,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:05:17,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:05:17,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:05:17,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:05:17,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:05:17,251 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:05:17,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:05:17,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:05:17,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:05:17,265 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:05:17,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:05:17,266 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:05:17,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:05:17,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:05:17,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:05:17,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:05:17,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:05:17,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:05:17,269 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:05:17,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:05:17,269 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:05:17,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:05:17,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:05:17,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:05:17,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:05:17,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:05:17,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:05:17,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:05:17,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:05:17,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:05:17,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:05:17,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:05:17,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:05:17,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:05:17,272 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 [2020-10-25 23:05:17,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:05:17,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:05:17,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:05:17,789 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:05:17,790 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:05:17,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-10-25 23:05:17,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cff7aefef/5fc488d238f44f42a3a2f46320e66491/FLAGa4121f782 [2020-10-25 23:05:18,707 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:05:18,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-10-25 23:05:18,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cff7aefef/5fc488d238f44f42a3a2f46320e66491/FLAGa4121f782 [2020-10-25 23:05:18,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cff7aefef/5fc488d238f44f42a3a2f46320e66491 [2020-10-25 23:05:18,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:05:18,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:05:18,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:18,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:05:18,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:05:19,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:19,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b668a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19, skipping insertion in model container [2020-10-25 23:05:19,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:05:18" (1/1) ... [2020-10-25 23:05:19,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:05:19,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:05:19,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:19,477 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:05:19,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:05:19,629 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:05:19,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19 WrapperNode [2020-10-25 23:05:19,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:05:19,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:19,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:05:19,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:05:19,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:05:19,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:05:19,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:05:19,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:05:19,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (1/1) ... [2020-10-25 23:05:19,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:05:19,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:05:19,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:05:19,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:05:19,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (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 [2020-10-25 23:05:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:05:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:05:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:05:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:05:20,938 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:05:20,939 INFO L298 CfgBuilder]: Removed 110 assume(true) statements. [2020-10-25 23:05:20,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:20 BoogieIcfgContainer [2020-10-25 23:05:20,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:05:20,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:05:20,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:05:20,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:05:20,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:05:18" (1/3) ... [2020-10-25 23:05:20,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68809304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:20, skipping insertion in model container [2020-10-25 23:05:20,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:05:19" (2/3) ... [2020-10-25 23:05:20,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68809304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:05:20, skipping insertion in model container [2020-10-25 23:05:20,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:20" (3/3) ... [2020-10-25 23:05:20,952 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2020-10-25 23:05:20,970 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:05:20,975 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:05:20,989 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:05:21,021 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:05:21,021 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:05:21,021 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:05:21,022 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:05:21,022 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:05:21,022 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:05:21,022 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:05:21,023 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:05:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-10-25 23:05:21,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:05:21,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:21,051 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1624271172, now seen corresponding path program 1 times [2020-10-25 23:05:21,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917903086] [2020-10-25 23:05:21,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:21,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917903086] [2020-10-25 23:05:21,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:21,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:05:21,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116903620] [2020-10-25 23:05:21,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:05:21,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:21,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:05:21,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:05:21,407 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-10-25 23:05:21,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:21,440 INFO L93 Difference]: Finished difference Result 146 states and 219 transitions. [2020-10-25 23:05:21,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:05:21,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:05:21,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:21,455 INFO L225 Difference]: With dead ends: 146 [2020-10-25 23:05:21,456 INFO L226 Difference]: Without dead ends: 71 [2020-10-25 23:05:21,460 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 [2020-10-25 23:05:21,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-25 23:05:21,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-25 23:05:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-25 23:05:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-10-25 23:05:21,528 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-10-25 23:05:21,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:21,529 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-10-25 23:05:21,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:05:21,529 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-10-25 23:05:21,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:05:21,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:21,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:05:21,532 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1405435203, now seen corresponding path program 1 times [2020-10-25 23:05:21,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003996000] [2020-10-25 23:05:21,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:21,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003996000] [2020-10-25 23:05:21,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:21,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:05:21,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274336500] [2020-10-25 23:05:21,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:05:21,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:21,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:05:21,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:05:21,695 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-10-25 23:05:21,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:21,708 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-10-25 23:05:21,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:05:21,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:05:21,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:21,710 INFO L225 Difference]: With dead ends: 71 [2020-10-25 23:05:21,711 INFO L226 Difference]: Without dead ends: 35 [2020-10-25 23:05:21,712 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 [2020-10-25 23:05:21,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-25 23:05:21,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-25 23:05:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-25 23:05:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-25 23:05:21,720 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-10-25 23:05:21,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:21,720 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-25 23:05:21,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:05:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-25 23:05:21,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:05:21,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:21,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:05:21,723 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2020-10-25 23:05:21,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276985127] [2020-10-25 23:05:21,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:21,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276985127] [2020-10-25 23:05:21,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:21,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:05:21,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504212725] [2020-10-25 23:05:21,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:21,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:21,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:21,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:21,864 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2020-10-25 23:05:21,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:21,955 INFO L93 Difference]: Finished difference Result 87 states and 127 transitions. [2020-10-25 23:05:21,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:05:21,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:05:21,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:21,958 INFO L225 Difference]: With dead ends: 87 [2020-10-25 23:05:21,958 INFO L226 Difference]: Without dead ends: 59 [2020-10-25 23:05:21,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:05:21,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-25 23:05:21,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2020-10-25 23:05:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-25 23:05:21,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2020-10-25 23:05:21,975 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2020-10-25 23:05:21,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:21,976 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2020-10-25 23:05:21,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-10-25 23:05:21,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-25 23:05:21,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:21,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:21,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:05:21,979 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:21,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:21,980 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2020-10-25 23:05:21,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:21,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756739878] [2020-10-25 23:05:21,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:22,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756739878] [2020-10-25 23:05:22,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:22,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227023268] [2020-10-25 23:05:22,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:22,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:22,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:22,128 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 5 states. [2020-10-25 23:05:22,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,472 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2020-10-25 23:05:22,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:05:22,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-25 23:05:22,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,480 INFO L225 Difference]: With dead ends: 242 [2020-10-25 23:05:22,480 INFO L226 Difference]: Without dead ends: 194 [2020-10-25 23:05:22,483 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 [2020-10-25 23:05:22,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-10-25 23:05:22,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2020-10-25 23:05:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-25 23:05:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2020-10-25 23:05:22,514 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2020-10-25 23:05:22,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,514 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2020-10-25 23:05:22,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:22,515 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2020-10-25 23:05:22,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:05:22,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:05:22,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:05:22,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:05:22,520 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:05:22,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:05:22,522 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2020-10-25 23:05:22,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:05:22,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684635287] [2020-10-25 23:05:22,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:05:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:05:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:05:22,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684635287] [2020-10-25 23:05:22,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:05:22,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:05:22,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206730665] [2020-10-25 23:05:22,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:05:22,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:05:22,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:05:22,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:05:22,596 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand 5 states. [2020-10-25 23:05:22,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:05:22,694 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2020-10-25 23:05:22,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:05:22,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-25 23:05:22,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:05:22,695 INFO L225 Difference]: With dead ends: 285 [2020-10-25 23:05:22,695 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:05:22,698 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 [2020-10-25 23:05:22,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:05:22,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:05:22,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:05:22,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:05:22,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-25 23:05:22,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:05:22,699 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:05:22,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:05:22,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:05:22,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:05:22,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:05:22,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:05:23,271 INFO L274 CegarLoopResult]: For program point L861(lines 861 876) no Hoare annotation was computed. [2020-10-25 23:05:23,272 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,272 INFO L274 CegarLoopResult]: For program point L911(lines 911 921) no Hoare annotation was computed. [2020-10-25 23:05:23,272 INFO L274 CegarLoopResult]: For program point L911-2(lines 911 921) no Hoare annotation was computed. [2020-10-25 23:05:23,272 INFO L274 CegarLoopResult]: For program point L911-4(lines 911 921) no Hoare annotation was computed. [2020-10-25 23:05:23,272 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,272 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,272 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,273 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,273 INFO L274 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-10-25 23:05:23,273 INFO L274 CegarLoopResult]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2020-10-25 23:05:23,273 INFO L274 CegarLoopResult]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2020-10-25 23:05:23,275 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-25 23:05:23,275 INFO L274 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-10-25 23:05:23,276 INFO L270 CegarLoopResult]: At program point L896(lines 891 898) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,276 INFO L274 CegarLoopResult]: For program point L450-2(line 450) no Hoare annotation was computed. [2020-10-25 23:05:23,277 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-10-25 23:05:23,277 INFO L274 CegarLoopResult]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2020-10-25 23:05:23,278 INFO L274 CegarLoopResult]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2020-10-25 23:05:23,280 INFO L270 CegarLoopResult]: At program point L748(lines 741 751) the Hoare annotation is: false [2020-10-25 23:05:23,281 INFO L270 CegarLoopResult]: At program point L748-1(lines 741 751) the Hoare annotation is: false [2020-10-25 23:05:23,281 INFO L270 CegarLoopResult]: At program point L748-2(lines 741 751) the Hoare annotation is: false [2020-10-25 23:05:23,281 INFO L270 CegarLoopResult]: At program point L881(lines 830 882) the Hoare annotation is: false [2020-10-25 23:05:23,281 INFO L274 CegarLoopResult]: For program point L832(lines 831 880) no Hoare annotation was computed. [2020-10-25 23:05:23,282 INFO L274 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-10-25 23:05:23,282 INFO L270 CegarLoopResult]: At program point L602(lines 598 604) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,282 INFO L270 CegarLoopResult]: At program point L553-2(lines 553 567) the Hoare annotation is: false [2020-10-25 23:05:23,282 INFO L274 CegarLoopResult]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-10-25 23:05:23,282 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,283 INFO L270 CegarLoopResult]: At program point L801-1(lines 801 807) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,284 INFO L270 CegarLoopResult]: At program point L504(lines 499 507) the Hoare annotation is: false [2020-10-25 23:05:23,284 INFO L270 CegarLoopResult]: At program point L504-1(lines 499 507) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,287 INFO L270 CegarLoopResult]: At program point L504-2(lines 499 507) the Hoare annotation is: false [2020-10-25 23:05:23,289 INFO L270 CegarLoopResult]: At program point L504-3(lines 499 507) the Hoare annotation is: false [2020-10-25 23:05:23,289 INFO L270 CegarLoopResult]: At program point L504-4(lines 499 507) the Hoare annotation is: false [2020-10-25 23:05:23,289 INFO L274 CegarLoopResult]: For program point L851(lines 851 857) no Hoare annotation was computed. [2020-10-25 23:05:23,290 INFO L270 CegarLoopResult]: At program point L504-5(lines 499 507) the Hoare annotation is: false [2020-10-25 23:05:23,290 INFO L270 CegarLoopResult]: At program point L851-1(lines 851 857) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,290 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,290 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-25 23:05:23,291 INFO L277 CegarLoopResult]: At program point L637(lines 618 640) the Hoare annotation is: true [2020-10-25 23:05:23,292 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,292 INFO L274 CegarLoopResult]: For program point L687(lines 687 704) no Hoare annotation was computed. [2020-10-25 23:05:23,292 INFO L274 CegarLoopResult]: For program point L687-1(lines 687 704) no Hoare annotation was computed. [2020-10-25 23:05:23,296 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 704) no Hoare annotation was computed. [2020-10-25 23:05:23,296 INFO L274 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2020-10-25 23:05:23,297 INFO L270 CegarLoopResult]: At program point L869-1(lines 655 661) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,297 INFO L270 CegarLoopResult]: At program point L655(lines 654 673) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,297 INFO L274 CegarLoopResult]: For program point L655-1(lines 655 661) no Hoare annotation was computed. [2020-10-25 23:05:23,298 INFO L270 CegarLoopResult]: At program point L655-2(lines 654 673) the Hoare annotation is: false [2020-10-25 23:05:23,298 INFO L270 CegarLoopResult]: At program point L655-3(lines 654 673) the Hoare annotation is: false [2020-10-25 23:05:23,298 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,298 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-10-25 23:05:23,298 INFO L274 CegarLoopResult]: For program point L557-1(lines 655 661) no Hoare annotation was computed. [2020-10-25 23:05:23,299 INFO L274 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-10-25 23:05:23,299 INFO L270 CegarLoopResult]: At program point L757(lines 752 760) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,301 INFO L270 CegarLoopResult]: At program point L757-1(lines 752 760) the Hoare annotation is: false [2020-10-25 23:05:23,301 INFO L274 CegarLoopResult]: For program point L691(lines 691 699) no Hoare annotation was computed. [2020-10-25 23:05:23,302 INFO L270 CegarLoopResult]: At program point L757-2(lines 752 760) the Hoare annotation is: false [2020-10-25 23:05:23,302 INFO L274 CegarLoopResult]: For program point L691-1(lines 691 699) no Hoare annotation was computed. [2020-10-25 23:05:23,302 INFO L274 CegarLoopResult]: For program point L691-2(lines 691 699) no Hoare annotation was computed. [2020-10-25 23:05:23,302 INFO L274 CegarLoopResult]: For program point L907(lines 907 924) no Hoare annotation was computed. [2020-10-25 23:05:23,302 INFO L270 CegarLoopResult]: At program point L907-1(lines 1 927) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,303 INFO L274 CegarLoopResult]: For program point L841(lines 841 847) no Hoare annotation was computed. [2020-10-25 23:05:23,303 INFO L274 CegarLoopResult]: For program point L907-2(lines 907 924) no Hoare annotation was computed. [2020-10-25 23:05:23,303 INFO L270 CegarLoopResult]: At program point L841-1(lines 841 847) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,303 INFO L270 CegarLoopResult]: At program point L907-3(lines 1 927) the Hoare annotation is: false [2020-10-25 23:05:23,304 INFO L274 CegarLoopResult]: For program point L907-4(lines 907 924) no Hoare annotation was computed. [2020-10-25 23:05:23,304 INFO L270 CegarLoopResult]: At program point L907-5(lines 1 927) the Hoare annotation is: false [2020-10-25 23:05:23,304 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:05:23,305 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:05:23,308 INFO L274 CegarLoopResult]: For program point L479(lines 479 483) no Hoare annotation was computed. [2020-10-25 23:05:23,308 INFO L274 CegarLoopResult]: For program point L628(lines 628 635) no Hoare annotation was computed. [2020-10-25 23:05:23,308 INFO L277 CegarLoopResult]: At program point L628-1(lines 628 635) the Hoare annotation is: true [2020-10-25 23:05:23,309 INFO L270 CegarLoopResult]: At program point L67(lines 1 927) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-25 23:05:23,309 INFO L270 CegarLoopResult]: At program point L662(lines 662 668) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:05:23,309 INFO L270 CegarLoopResult]: At program point L662-1(lines 662 668) the Hoare annotation is: false [2020-10-25 23:05:23,309 INFO L270 CegarLoopResult]: At program point L662-2(lines 662 668) the Hoare annotation is: false [2020-10-25 23:05:23,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:05:23 BoogieIcfgContainer [2020-10-25 23:05:23,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:05:23,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:05:23,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:05:23,336 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:05:23,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:05:20" (3/4) ... [2020-10-25 23:05:23,341 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:05:23,359 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:05:23,360 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:05:23,361 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:05:23,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:05:23,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:05:23,364 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,365 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:05:23,396 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:23,397 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:23,397 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-25 23:05:23,397 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,398 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,399 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,399 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,400 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,400 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,400 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-25 23:05:23,482 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:05:23,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:05:23,484 INFO L168 Benchmark]: Toolchain (without parser) took 4523.89 ms. Allocated memory was 46.1 MB in the beginning and 83.9 MB in the end (delta: 37.7 MB). Free memory was 31.7 MB in the beginning and 47.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,485 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 46.1 MB. Free memory was 29.3 MB in the beginning and 29.2 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:05:23,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.61 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 31.0 MB in the beginning and 32.2 MB in the end (delta: -1.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.81 ms. Allocated memory is still 56.6 MB. Free memory was 32.0 MB in the beginning and 29.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,488 INFO L168 Benchmark]: Boogie Preprocessor took 48.39 ms. Allocated memory is still 56.6 MB. Free memory was 29.1 MB in the beginning and 27.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,489 INFO L168 Benchmark]: RCFGBuilder took 1191.14 ms. Allocated memory is still 56.6 MB. Free memory was 26.8 MB in the beginning and 23.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,489 INFO L168 Benchmark]: TraceAbstraction took 2391.72 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 22.8 MB in the beginning and 54.9 MB in the end (delta: -32.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,489 INFO L168 Benchmark]: Witness Printer took 146.54 ms. Allocated memory is still 83.9 MB. Free memory was 54.9 MB in the beginning and 47.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:05:23,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 46.1 MB. Free memory was 29.3 MB in the beginning and 29.2 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 636.61 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 31.0 MB in the beginning and 32.2 MB in the end (delta: -1.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.81 ms. Allocated memory is still 56.6 MB. Free memory was 32.0 MB in the beginning and 29.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.39 ms. Allocated memory is still 56.6 MB. Free memory was 29.1 MB in the beginning and 27.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1191.14 ms. Allocated memory is still 56.6 MB. Free memory was 26.8 MB in the beginning and 23.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2391.72 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 22.8 MB in the beginning and 54.9 MB in the end (delta: -32.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Witness Printer took 146.54 ms. Allocated memory is still 83.9 MB. Free memory was 54.9 MB in the beginning and 47.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 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: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 323 SDtfs, 467 SDslu, 325 SDs, 0 SdLazy, 67 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred 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, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 199 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4048 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 33 FomulaSimplificationsInter, 144 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4755 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...