./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product07.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_spec1_product07.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 29f60ab23b0720fb228075ebf2c9266e59f8b9dd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:03:53,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:03:53,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:03:53,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:03:53,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:03:53,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:03:53,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:03:53,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:03:53,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:03:53,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:03:53,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:03:53,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:03:53,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:03:53,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:03:53,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:03:53,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:03:53,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:03:53,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:03:53,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:03:53,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:03:53,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:03:53,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:03:53,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:03:53,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:03:53,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:03:53,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:03:53,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:03:53,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:03:53,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:03:53,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:03:53,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:03:53,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:03:53,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:03:53,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:03:53,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:03:53,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:03:53,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:03:53,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:03:53,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:03:53,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:03:53,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:03:53,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:03:53,397 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:03:53,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:03:53,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:03:53,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:03:53,399 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:03:53,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:03:53,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:03:53,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:03:53,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:03:53,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:03:53,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:03:53,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:03:53,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:03:53,401 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:03:53,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:03:53,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:03:53,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:03:53,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:03:53,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:03:53,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:03:53,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:03:53,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:03:53,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:03:53,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:03:53,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:03:53,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:03:53,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:03:53,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:03:53,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:03:53,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29f60ab23b0720fb228075ebf2c9266e59f8b9dd [2020-10-25 23:03:53,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:03:53,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:03:53,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:03:53,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:03:53,828 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:03:53,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2020-10-25 23:03:53,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fe4b5f9/34d92524a34f419a9e5f634aba35da51/FLAG3fe19ab9c [2020-10-25 23:03:54,568 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:03:54,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product07.cil.c [2020-10-25 23:03:54,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fe4b5f9/34d92524a34f419a9e5f634aba35da51/FLAG3fe19ab9c [2020-10-25 23:03:54,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97fe4b5f9/34d92524a34f419a9e5f634aba35da51 [2020-10-25 23:03:54,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:03:54,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:03:54,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:54,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:03:54,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:03:54,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:54" (1/1) ... [2020-10-25 23:03:54,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb6c846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:54, skipping insertion in model container [2020-10-25 23:03:54,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:54" (1/1) ... [2020-10-25 23:03:54,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:03:55,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:03:55,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:55,363 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:03:55,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:55,534 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:03:55,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55 WrapperNode [2020-10-25 23:03:55,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:55,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:55,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:03:55,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:03:55,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55" (1/1) ... [2020-10-25 23:03:55,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55" (1/1) ... [2020-10-25 23:03:55,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:55,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:03:55,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:03:55,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:03:55,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55" (1/1) ... [2020-10-25 23:03:55,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55" (1/1) ... [2020-10-25 23:03:55,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55" (1/1) ... [2020-10-25 23:03:55,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55" (1/1) ... [2020-10-25 23:03:55,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55" (1/1) ... [2020-10-25 23:03:55,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55" (1/1) ... [2020-10-25 23:03:55,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55" (1/1) ... [2020-10-25 23:03:55,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:03:55,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:03:55,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:03:55,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:03:55,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55" (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 23:03:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:03:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:03:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:03:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:03:56,589 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:03:56,590 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-10-25 23:03:56,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:56 BoogieIcfgContainer [2020-10-25 23:03:56,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:03:56,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:03:56,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:03:56,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:03:56,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:03:54" (1/3) ... [2020-10-25 23:03:56,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9269c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:56, skipping insertion in model container [2020-10-25 23:03:56,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:55" (2/3) ... [2020-10-25 23:03:56,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9269c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:56, skipping insertion in model container [2020-10-25 23:03:56,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:56" (3/3) ... [2020-10-25 23:03:56,602 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2020-10-25 23:03:56,614 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:03:56,620 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:03:56,633 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:03:56,661 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:03:56,661 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:03:56,661 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:03:56,661 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:03:56,662 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:03:56,662 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:03:56,662 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:03:56,662 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:03:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-25 23:03:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:03:56,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:56,687 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:56,688 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:56,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:56,695 INFO L82 PathProgramCache]: Analyzing trace with hash 590072261, now seen corresponding path program 1 times [2020-10-25 23:03:56,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:56,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784948307] [2020-10-25 23:03:56,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:57,013 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 23:03:57,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784948307] [2020-10-25 23:03:57,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:57,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:03:57,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411078251] [2020-10-25 23:03:57,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:03:57,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:57,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:03:57,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:03:57,038 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-10-25 23:03:57,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:57,072 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-10-25 23:03:57,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:03:57,074 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:03:57,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:57,095 INFO L225 Difference]: With dead ends: 139 [2020-10-25 23:03:57,095 INFO L226 Difference]: Without dead ends: 67 [2020-10-25 23:03:57,111 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 23:03:57,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-25 23:03:57,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-10-25 23:03:57,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-25 23:03:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-10-25 23:03:57,173 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-10-25 23:03:57,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:57,174 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-10-25 23:03:57,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:03:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-10-25 23:03:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:03:57,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:57,177 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:57,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:03:57,178 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:57,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:57,180 INFO L82 PathProgramCache]: Analyzing trace with hash -456684636, now seen corresponding path program 1 times [2020-10-25 23:03:57,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:57,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248685479] [2020-10-25 23:03:57,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:57,387 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 23:03:57,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248685479] [2020-10-25 23:03:57,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:57,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:03:57,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427381385] [2020-10-25 23:03:57,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:03:57,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:57,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:03:57,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:03:57,392 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-10-25 23:03:57,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:57,404 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-10-25 23:03:57,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:03:57,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:03:57,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:57,405 INFO L225 Difference]: With dead ends: 67 [2020-10-25 23:03:57,406 INFO L226 Difference]: Without dead ends: 33 [2020-10-25 23:03:57,407 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 23:03:57,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-25 23:03:57,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-25 23:03:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-25 23:03:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-10-25 23:03:57,412 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-10-25 23:03:57,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:57,412 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-10-25 23:03:57,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:03:57,413 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-10-25 23:03:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:03:57,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:57,414 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] [2020-10-25 23:03:57,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:03:57,414 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:57,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:57,415 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2020-10-25 23:03:57,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:57,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460112399] [2020-10-25 23:03:57,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:57,513 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 23:03:57,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460112399] [2020-10-25 23:03:57,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:57,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:03:57,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791240290] [2020-10-25 23:03:57,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:03:57,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:57,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:03:57,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:03:57,516 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-10-25 23:03:57,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:57,720 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2020-10-25 23:03:57,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:03:57,721 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-25 23:03:57,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:57,722 INFO L225 Difference]: With dead ends: 110 [2020-10-25 23:03:57,722 INFO L226 Difference]: Without dead ends: 83 [2020-10-25 23:03:57,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:03:57,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-25 23:03:57,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2020-10-25 23:03:57,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-25 23:03:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-10-25 23:03:57,735 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-10-25 23:03:57,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:57,735 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-10-25 23:03:57,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:03:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-10-25 23:03:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:03:57,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:57,737 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] [2020-10-25 23:03:57,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:03:57,738 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:57,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:57,738 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2020-10-25 23:03:57,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:57,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91714055] [2020-10-25 23:03:57,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:57,814 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 23:03:57,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91714055] [2020-10-25 23:03:57,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:57,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:57,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494596536] [2020-10-25 23:03:57,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:57,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:57,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:57,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:57,817 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-10-25 23:03:57,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:57,985 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2020-10-25 23:03:57,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:03:57,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:03:57,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:57,991 INFO L225 Difference]: With dead ends: 237 [2020-10-25 23:03:57,991 INFO L226 Difference]: Without dead ends: 191 [2020-10-25 23:03:57,994 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 23:03:57,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-10-25 23:03:58,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2020-10-25 23:03:58,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-25 23:03:58,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2020-10-25 23:03:58,026 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2020-10-25 23:03:58,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:58,026 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2020-10-25 23:03:58,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:58,026 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2020-10-25 23:03:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:03:58,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:58,029 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 23:03:58,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:03:58,030 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:58,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:58,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1110121172, now seen corresponding path program 1 times [2020-10-25 23:03:58,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:58,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654136668] [2020-10-25 23:03:58,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:58,148 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 23:03:58,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654136668] [2020-10-25 23:03:58,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:58,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:58,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737633476] [2020-10-25 23:03:58,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:58,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:58,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:58,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:58,150 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand 5 states. [2020-10-25 23:03:58,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:58,232 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2020-10-25 23:03:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:03:58,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-25 23:03:58,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:58,233 INFO L225 Difference]: With dead ends: 282 [2020-10-25 23:03:58,233 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:03:58,235 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 23:03:58,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:03:58,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:03:58,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:03:58,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:03:58,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-25 23:03:58,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:58,236 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:03:58,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:58,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:03:58,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:03:58,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:03:58,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:03:58,485 INFO L274 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2020-10-25 23:03:58,486 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)) [2020-10-25 23:03:58,486 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:58,486 INFO L270 CegarLoopResult]: At program point L184(lines 184 190) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:58,486 INFO L270 CegarLoopResult]: At program point L184-1(lines 184 190) the Hoare annotation is: false [2020-10-25 23:03:58,486 INFO L270 CegarLoopResult]: At program point L184-2(lines 184 190) the Hoare annotation is: false [2020-10-25 23:03:58,486 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:03:58,487 INFO L277 CegarLoopResult]: At program point L515(lines 496 518) the Hoare annotation is: true [2020-10-25 23:03:58,487 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:03:58,487 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:03:58,487 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:03:58,487 INFO L270 CegarLoopResult]: At program point L483(lines 479 485) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-10-25 23:03:58,487 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-10-25 23:03:58,487 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-10-25 23:03:58,487 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-10-25 23:03:58,488 INFO L270 CegarLoopResult]: At program point L253(lines 246 256) the Hoare annotation is: false [2020-10-25 23:03:58,488 INFO L270 CegarLoopResult]: At program point L253-1(lines 246 256) the Hoare annotation is: false [2020-10-25 23:03:58,488 INFO L270 CegarLoopResult]: At program point L253-2(lines 246 256) the Hoare annotation is: false [2020-10-25 23:03:58,488 INFO L270 CegarLoopResult]: At program point L435-2(lines 435 449) the Hoare annotation is: false [2020-10-25 23:03:58,488 INFO L274 CegarLoopResult]: For program point L138(lines 138 151) no Hoare annotation was computed. [2020-10-25 23:03:58,488 INFO L270 CegarLoopResult]: At program point L138-1(lines 1 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:58,488 INFO L274 CegarLoopResult]: For program point L138-2(lines 138 151) no Hoare annotation was computed. [2020-10-25 23:03:58,489 INFO L270 CegarLoopResult]: At program point L138-3(lines 1 884) the Hoare annotation is: false [2020-10-25 23:03:58,489 INFO L274 CegarLoopResult]: For program point L138-4(lines 138 151) no Hoare annotation was computed. [2020-10-25 23:03:58,489 INFO L270 CegarLoopResult]: At program point L138-5(lines 1 884) the Hoare annotation is: false [2020-10-25 23:03:58,489 INFO L270 CegarLoopResult]: At program point L419(lines 414 422) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:03:58,489 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-25 23:03:58,489 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:03:58,490 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-10-25 23:03:58,490 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:58,490 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-10-25 23:03:58,490 INFO L270 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-10-25 23:03:58,490 INFO L270 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-10-25 23:03:58,490 INFO L270 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-10-25 23:03:58,490 INFO L274 CegarLoopResult]: For program point L339(lines 339 345) no Hoare annotation was computed. [2020-10-25 23:03:58,491 INFO L270 CegarLoopResult]: At program point L339-1(lines 339 345) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:58,491 INFO L274 CegarLoopResult]: For program point L306(lines 306 312) no Hoare annotation was computed. [2020-10-25 23:03:58,491 INFO L270 CegarLoopResult]: At program point L306-1(lines 306 312) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:58,491 INFO L274 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-10-25 23:03:58,491 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:58,491 INFO L274 CegarLoopResult]: For program point L439-1(lines 177 183) no Hoare annotation was computed. [2020-10-25 23:03:58,491 INFO L274 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-10-25 23:03:58,492 INFO L274 CegarLoopResult]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2020-10-25 23:03:58,492 INFO L274 CegarLoopResult]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2020-10-25 23:03:58,492 INFO L274 CegarLoopResult]: For program point L506(lines 506 513) no Hoare annotation was computed. [2020-10-25 23:03:58,492 INFO L277 CegarLoopResult]: At program point L506-1(lines 506 513) the Hoare annotation is: true [2020-10-25 23:03:58,492 INFO L274 CegarLoopResult]: For program point L209(lines 209 226) no Hoare annotation was computed. [2020-10-25 23:03:58,492 INFO L274 CegarLoopResult]: For program point L209-1(lines 209 226) no Hoare annotation was computed. [2020-10-25 23:03:58,492 INFO L274 CegarLoopResult]: For program point L209-2(lines 209 226) no Hoare annotation was computed. [2020-10-25 23:03:58,492 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-25 23:03:58,493 INFO L274 CegarLoopResult]: For program point L160-1(line 160) no Hoare annotation was computed. [2020-10-25 23:03:58,493 INFO L274 CegarLoopResult]: For program point L160-2(line 160) no Hoare annotation was computed. [2020-10-25 23:03:58,493 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:03:58,493 INFO L270 CegarLoopResult]: At program point L177(lines 176 195) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:58,493 INFO L274 CegarLoopResult]: For program point L177-1(lines 177 183) no Hoare annotation was computed. [2020-10-25 23:03:58,493 INFO L270 CegarLoopResult]: At program point L177-2(lines 176 195) the Hoare annotation is: false [2020-10-25 23:03:58,493 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-10-25 23:03:58,494 INFO L270 CegarLoopResult]: At program point L177-3(lines 176 195) the Hoare annotation is: false [2020-10-25 23:03:58,494 INFO L274 CegarLoopResult]: For program point L359(lines 359 372) no Hoare annotation was computed. [2020-10-25 23:03:58,494 INFO L270 CegarLoopResult]: At program point L377(lines 328 378) the Hoare annotation is: false [2020-10-25 23:03:58,494 INFO L270 CegarLoopResult]: At program point L262(lines 257 265) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:58,494 INFO L270 CegarLoopResult]: At program point L262-1(lines 257 265) the Hoare annotation is: false [2020-10-25 23:03:58,494 INFO L270 CegarLoopResult]: At program point L262-2(lines 257 265) the Hoare annotation is: false [2020-10-25 23:03:58,494 INFO L270 CegarLoopResult]: At program point L411(lines 1 884) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:03:58,495 INFO L274 CegarLoopResult]: For program point L213(lines 213 221) no Hoare annotation was computed. [2020-10-25 23:03:58,495 INFO L274 CegarLoopResult]: For program point L213-1(lines 213 221) no Hoare annotation was computed. [2020-10-25 23:03:58,495 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 221) no Hoare annotation was computed. [2020-10-25 23:03:58,495 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:03:58,495 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:58,495 INFO L274 CegarLoopResult]: For program point L330(lines 329 376) no Hoare annotation was computed. [2020-10-25 23:03:58,495 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-10-25 23:03:58,495 INFO L274 CegarLoopResult]: For program point L331(lines 331 335) no Hoare annotation was computed. [2020-10-25 23:03:58,496 INFO L274 CegarLoopResult]: For program point L365(lines 365 371) no Hoare annotation was computed. [2020-10-25 23:03:58,496 INFO L270 CegarLoopResult]: At program point L365-1(lines 177 183) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:58,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:03:58 BoogieIcfgContainer [2020-10-25 23:03:58,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:03:58,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:03:58,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:03:58,520 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:03:58,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:56" (3/4) ... [2020-10-25 23:03:58,524 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:03:58,539 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:03:58,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:03:58,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:03:58,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:03:58,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:03:58,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:58,543 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:58,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:03:58,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive [2020-10-25 23:03:58,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:03:58,642 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:03:58,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:03:58,645 INFO L168 Benchmark]: Toolchain (without parser) took 3784.11 ms. Allocated memory was 44.0 MB in the beginning and 81.8 MB in the end (delta: 37.7 MB). Free memory was 29.1 MB in the beginning and 54.9 MB in the end (delta: -25.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:58,646 INFO L168 Benchmark]: CDTParser took 1.04 ms. Allocated memory is still 44.0 MB. Free memory was 26.8 MB in the beginning and 26.7 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:03:58,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.17 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.4 MB in the beginning and 28.5 MB in the end (delta: -85.6 kB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:58,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.01 ms. Allocated memory is still 54.5 MB. Free memory was 28.5 MB in the beginning and 36.9 MB in the end (delta: -8.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:58,647 INFO L168 Benchmark]: Boogie Preprocessor took 39.91 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 35.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:58,648 INFO L168 Benchmark]: RCFGBuilder took 940.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 34.8 MB in the beginning and 44.0 MB in the end (delta: -9.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:58,648 INFO L168 Benchmark]: TraceAbstraction took 1924.94 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 43.6 MB in the beginning and 61.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:58,649 INFO L168 Benchmark]: Witness Printer took 122.63 ms. Allocated memory is still 81.8 MB. Free memory was 61.2 MB in the beginning and 54.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:58,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04 ms. Allocated memory is still 44.0 MB. Free memory was 26.8 MB in the beginning and 26.7 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 657.17 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.4 MB in the beginning and 28.5 MB in the end (delta: -85.6 kB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.01 ms. Allocated memory is still 54.5 MB. Free memory was 28.5 MB in the beginning and 36.9 MB in the end (delta: -8.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.91 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 35.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 940.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 34.8 MB in the beginning and 44.0 MB in the end (delta: -9.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1924.94 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 43.6 MB in the beginning and 61.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * Witness Printer took 122.63 ms. Allocated memory is still 81.8 MB. Free memory was 61.2 MB in the beginning and 54.9 MB in the end (delta: 6.3 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: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 306 SDtfs, 459 SDslu, 469 SDs, 0 SdLazy, 75 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred 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, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 125 HoareAnnotationTreeSize, 32 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4708 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...