./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product21.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 635b114f26ff3d829820e505a5b45bee227ecfd2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:43:58,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:43:58,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:43:58,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:43:58,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:43:58,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:43:58,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:43:58,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:43:58,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:43:58,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:43:58,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:43:58,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:43:58,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:43:58,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:43:58,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:43:58,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:43:58,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:43:58,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:43:58,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:43:58,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:43:58,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:43:58,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:43:58,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:43:58,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:43:58,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:43:58,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:43:58,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:43:58,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:43:58,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:43:58,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:43:58,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:43:58,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:43:58,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:43:58,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:43:58,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:43:58,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:43:58,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:43:58,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:43:58,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:43:58,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:43:58,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:43:58,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:43:58,395 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:43:58,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:43:58,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:43:58,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:43:58,399 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:43:58,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:43:58,400 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:43:58,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:43:58,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:43:58,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:43:58,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:43:58,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:43:58,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:43:58,403 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:43:58,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:43:58,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:43:58,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:43:58,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:43:58,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:43:58,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:43:58,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:43:58,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:43:58,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:43:58,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:43:58,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:43:58,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:43:58,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:43:58,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:43:58,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:43:58,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 635b114f26ff3d829820e505a5b45bee227ecfd2 [2020-10-20 01:43:58,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:43:58,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:43:58,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:43:58,669 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:43:58,670 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:43:58,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2020-10-20 01:43:58,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3025cc116/30e6d0ea395649d69087bfd53b13578f/FLAG5cdc48dbd [2020-10-20 01:43:59,260 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:43:59,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2020-10-20 01:43:59,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3025cc116/30e6d0ea395649d69087bfd53b13578f/FLAG5cdc48dbd [2020-10-20 01:43:59,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3025cc116/30e6d0ea395649d69087bfd53b13578f [2020-10-20 01:43:59,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:43:59,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:43:59,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:43:59,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:43:59,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:43:59,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:59" (1/1) ... [2020-10-20 01:43:59,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c018f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:43:59, skipping insertion in model container [2020-10-20 01:43:59,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:43:59" (1/1) ... [2020-10-20 01:43:59,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:43:59,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:00,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:00,108 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:00,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:00,279 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:00,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00 WrapperNode [2020-10-20 01:44:00,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:00,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:00,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:00,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:00,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00" (1/1) ... [2020-10-20 01:44:00,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00" (1/1) ... [2020-10-20 01:44:00,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:00,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:00,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:00,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:00,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00" (1/1) ... [2020-10-20 01:44:00,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00" (1/1) ... [2020-10-20 01:44:00,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00" (1/1) ... [2020-10-20 01:44:00,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00" (1/1) ... [2020-10-20 01:44:00,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00" (1/1) ... [2020-10-20 01:44:00,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00" (1/1) ... [2020-10-20 01:44:00,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00" (1/1) ... [2020-10-20 01:44:00,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:00,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:00,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:00,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:00,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00" (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 [2020-10-20 01:44:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:01,546 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:01,547 INFO L298 CfgBuilder]: Removed 162 assume(true) statements. [2020-10-20 01:44:01,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:01 BoogieIcfgContainer [2020-10-20 01:44:01,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:01,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:01,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:01,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:01,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:43:59" (1/3) ... [2020-10-20 01:44:01,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d28484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:01, skipping insertion in model container [2020-10-20 01:44:01,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:00" (2/3) ... [2020-10-20 01:44:01,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d28484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:01, skipping insertion in model container [2020-10-20 01:44:01,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:01" (3/3) ... [2020-10-20 01:44:01,558 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2020-10-20 01:44:01,570 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:01,578 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:01,592 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:01,619 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:01,620 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:01,620 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:01,620 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:01,620 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:01,621 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:01,621 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:01,621 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:01,640 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-10-20 01:44:01,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:01,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:01,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:01,648 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:01,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:01,653 INFO L82 PathProgramCache]: Analyzing trace with hash -965693148, now seen corresponding path program 1 times [2020-10-20 01:44:01,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:01,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975132159] [2020-10-20 01:44:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:01,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975132159] [2020-10-20 01:44:01,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:01,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:01,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010821763] [2020-10-20 01:44:01,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:01,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:01,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:01,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:01,970 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-10-20 01:44:02,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:02,009 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2020-10-20 01:44:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:02,011 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:02,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:02,024 INFO L225 Difference]: With dead ends: 207 [2020-10-20 01:44:02,024 INFO L226 Difference]: Without dead ends: 101 [2020-10-20 01:44:02,028 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 [2020-10-20 01:44:02,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-20 01:44:02,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-20 01:44:02,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-20 01:44:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-10-20 01:44:02,077 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-10-20 01:44:02,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:02,077 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-10-20 01:44:02,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:02,078 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-10-20 01:44:02,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:02,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:02,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:02,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:02,080 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:02,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:02,081 INFO L82 PathProgramCache]: Analyzing trace with hash -2012450045, now seen corresponding path program 1 times [2020-10-20 01:44:02,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:02,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788887782] [2020-10-20 01:44:02,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:02,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788887782] [2020-10-20 01:44:02,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:02,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:02,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327588483] [2020-10-20 01:44:02,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:02,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:02,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:02,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:02,193 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2020-10-20 01:44:02,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:02,237 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-10-20 01:44:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:02,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:02,242 INFO L225 Difference]: With dead ends: 101 [2020-10-20 01:44:02,243 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 01:44:02,244 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 [2020-10-20 01:44:02,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 01:44:02,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 01:44:02,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 01:44:02,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-10-20 01:44:02,253 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-10-20 01:44:02,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:02,253 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-10-20 01:44:02,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:02,254 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-10-20 01:44:02,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:02,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:02,255 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] [2020-10-20 01:44:02,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:02,256 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:02,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:02,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2020-10-20 01:44:02,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:02,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105496913] [2020-10-20 01:44:02,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:02,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:02,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105496913] [2020-10-20 01:44:02,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:02,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:02,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191774279] [2020-10-20 01:44:02,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:02,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:02,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:02,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:02,417 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2020-10-20 01:44:02,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:02,435 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-10-20 01:44:02,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:02,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:44:02,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:02,437 INFO L225 Difference]: With dead ends: 80 [2020-10-20 01:44:02,437 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 01:44:02,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:02,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 01:44:02,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 01:44:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 01:44:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-10-20 01:44:02,446 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-10-20 01:44:02,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:02,446 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-10-20 01:44:02,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-10-20 01:44:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:44:02,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:02,448 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] [2020-10-20 01:44:02,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:02,450 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:02,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:02,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2020-10-20 01:44:02,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:02,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189937954] [2020-10-20 01:44:02,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:02,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189937954] [2020-10-20 01:44:02,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:02,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:02,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685003420] [2020-10-20 01:44:02,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:02,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:02,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:02,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:02,662 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 6 states. [2020-10-20 01:44:02,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:02,957 INFO L93 Difference]: Finished difference Result 286 states and 428 transitions. [2020-10-20 01:44:02,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:44:02,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-20 01:44:02,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:02,960 INFO L225 Difference]: With dead ends: 286 [2020-10-20 01:44:02,961 INFO L226 Difference]: Without dead ends: 249 [2020-10-20 01:44:02,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:44:02,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-20 01:44:02,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 75. [2020-10-20 01:44:02,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-20 01:44:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 107 transitions. [2020-10-20 01:44:02,976 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 107 transitions. Word has length 24 [2020-10-20 01:44:02,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:02,976 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 107 transitions. [2020-10-20 01:44:02,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2020-10-20 01:44:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:02,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:02,978 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] [2020-10-20 01:44:02,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:02,978 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:02,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:02,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1032359194, now seen corresponding path program 1 times [2020-10-20 01:44:02,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:02,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102428754] [2020-10-20 01:44:02,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:03,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102428754] [2020-10-20 01:44:03,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:03,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:03,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818354167] [2020-10-20 01:44:03,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:03,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:03,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:03,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:03,058 INFO L87 Difference]: Start difference. First operand 75 states and 107 transitions. Second operand 5 states. [2020-10-20 01:44:03,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:03,125 INFO L93 Difference]: Finished difference Result 174 states and 259 transitions. [2020-10-20 01:44:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:03,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:44:03,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:03,127 INFO L225 Difference]: With dead ends: 174 [2020-10-20 01:44:03,127 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:03,128 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 [2020-10-20 01:44:03,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:03,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:03,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:03,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-20 01:44:03,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:03,129 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:03,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:03,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:03,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:03,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:03,390 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:03,390 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:03,390 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:03,391 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:03,391 INFO L270 CegarLoopResult]: At program point L698(lines 1 921) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:03,391 INFO L274 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-10-20 01:44:03,391 INFO L274 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-10-20 01:44:03,391 INFO L274 CegarLoopResult]: For program point L302-2(line 302) no Hoare annotation was computed. [2020-10-20 01:44:03,392 INFO L270 CegarLoopResult]: At program point L170(lines 165 173) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:03,392 INFO L270 CegarLoopResult]: At program point L170-1(lines 165 173) the Hoare annotation is: false [2020-10-20 01:44:03,392 INFO L270 CegarLoopResult]: At program point L170-2(lines 165 173) the Hoare annotation is: false [2020-10-20 01:44:03,393 INFO L274 CegarLoopResult]: For program point L864(lines 864 868) no Hoare annotation was computed. [2020-10-20 01:44:03,393 INFO L274 CegarLoopResult]: For program point L273(lines 273 284) no Hoare annotation was computed. [2020-10-20 01:44:03,393 INFO L277 CegarLoopResult]: At program point L802(lines 783 805) the Hoare annotation is: true [2020-10-20 01:44:03,393 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:03,393 INFO L270 CegarLoopResult]: At program point L770(lines 766 772) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:03,393 INFO L270 CegarLoopResult]: At program point L706(lines 701 709) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:03,394 INFO L274 CegarLoopResult]: For program point L244(lines 243 288) no Hoare annotation was computed. [2020-10-20 01:44:03,394 INFO L274 CegarLoopResult]: For program point L245(lines 245 249) no Hoare annotation was computed. [2020-10-20 01:44:03,394 INFO L274 CegarLoopResult]: For program point L840(lines 840 844) no Hoare annotation was computed. [2020-10-20 01:44:03,395 INFO L274 CegarLoopResult]: For program point L840-3(lines 840 844) no Hoare annotation was computed. [2020-10-20 01:44:03,395 INFO L274 CegarLoopResult]: For program point L840-6(lines 840 844) no Hoare annotation was computed. [2020-10-20 01:44:03,395 INFO L274 CegarLoopResult]: For program point L279(lines 279 283) no Hoare annotation was computed. [2020-10-20 01:44:03,395 INFO L274 CegarLoopResult]: For program point L279-2(lines 59 65) no Hoare annotation was computed. [2020-10-20 01:44:03,396 INFO L270 CegarLoopResult]: At program point L909(lines 904 912) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:03,396 INFO L270 CegarLoopResult]: At program point L909-1(lines 904 912) the Hoare annotation is: false [2020-10-20 01:44:03,396 INFO L270 CegarLoopResult]: At program point L909-2(lines 904 912) the Hoare annotation is: false [2020-10-20 01:44:03,396 INFO L274 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-10-20 01:44:03,397 INFO L274 CegarLoopResult]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2020-10-20 01:44:03,397 INFO L274 CegarLoopResult]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2020-10-20 01:44:03,397 INFO L270 CegarLoopResult]: At program point L877(lines 872 880) the Hoare annotation is: false [2020-10-20 01:44:03,397 INFO L270 CegarLoopResult]: At program point L877-1(lines 872 880) the Hoare annotation is: false [2020-10-20 01:44:03,397 INFO L270 CegarLoopResult]: At program point L877-2(lines 872 880) the Hoare annotation is: false [2020-10-20 01:44:03,398 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:03,398 INFO L274 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,398 INFO L274 CegarLoopResult]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,398 INFO L274 CegarLoopResult]: For program point L219-3(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,399 INFO L274 CegarLoopResult]: For program point L219-5(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,399 INFO L274 CegarLoopResult]: For program point L219-6(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,399 INFO L274 CegarLoopResult]: For program point L219-8(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,399 INFO L274 CegarLoopResult]: For program point L219-9(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,399 INFO L274 CegarLoopResult]: For program point L219-11(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,400 INFO L274 CegarLoopResult]: For program point L219-12(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,400 INFO L274 CegarLoopResult]: For program point L219-14(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,400 INFO L274 CegarLoopResult]: For program point L219-15(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,400 INFO L274 CegarLoopResult]: For program point L219-17(lines 219 223) no Hoare annotation was computed. [2020-10-20 01:44:03,400 INFO L274 CegarLoopResult]: For program point L253(lines 253 259) no Hoare annotation was computed. [2020-10-20 01:44:03,401 INFO L270 CegarLoopResult]: At program point L253-1(lines 253 259) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:03,401 INFO L274 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-10-20 01:44:03,401 INFO L274 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2020-10-20 01:44:03,401 INFO L274 CegarLoopResult]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2020-10-20 01:44:03,402 INFO L274 CegarLoopResult]: For program point L816(lines 816 829) no Hoare annotation was computed. [2020-10-20 01:44:03,402 INFO L270 CegarLoopResult]: At program point L816-1(lines 1 921) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:03,402 INFO L274 CegarLoopResult]: For program point L816-2(lines 816 829) no Hoare annotation was computed. [2020-10-20 01:44:03,402 INFO L270 CegarLoopResult]: At program point L816-3(lines 1 921) the Hoare annotation is: false [2020-10-20 01:44:03,403 INFO L274 CegarLoopResult]: For program point L816-4(lines 816 829) no Hoare annotation was computed. [2020-10-20 01:44:03,403 INFO L270 CegarLoopResult]: At program point L816-5(lines 1 921) the Hoare annotation is: false [2020-10-20 01:44:03,403 INFO L270 CegarLoopResult]: At program point L289(lines 242 290) the Hoare annotation is: false [2020-10-20 01:44:03,403 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:03,403 INFO L274 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:44:03,404 INFO L274 CegarLoopResult]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:44:03,404 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:44:03,404 INFO L274 CegarLoopResult]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:44:03,404 INFO L274 CegarLoopResult]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:44:03,404 INFO L274 CegarLoopResult]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2020-10-20 01:44:03,405 INFO L270 CegarLoopResult]: At program point L59(lines 58 77) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:03,405 INFO L274 CegarLoopResult]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2020-10-20 01:44:03,405 INFO L270 CegarLoopResult]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2020-10-20 01:44:03,405 INFO L270 CegarLoopResult]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2020-10-20 01:44:03,405 INFO L270 CegarLoopResult]: At program point L918(lines 913 921) the Hoare annotation is: false [2020-10-20 01:44:03,406 INFO L270 CegarLoopResult]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2020-10-20 01:44:03,406 INFO L274 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2020-10-20 01:44:03,406 INFO L270 CegarLoopResult]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2020-10-20 01:44:03,406 INFO L270 CegarLoopResult]: At program point L918-3(lines 913 921) the Hoare annotation is: false [2020-10-20 01:44:03,406 INFO L270 CegarLoopResult]: At program point L918-4(lines 913 921) the Hoare annotation is: false [2020-10-20 01:44:03,407 INFO L270 CegarLoopResult]: At program point L918-5(lines 913 921) the Hoare annotation is: false [2020-10-20 01:44:03,407 INFO L270 CegarLoopResult]: At program point L225(lines 210 228) the Hoare annotation is: false [2020-10-20 01:44:03,407 INFO L270 CegarLoopResult]: At program point L225-1(lines 210 228) the Hoare annotation is: false [2020-10-20 01:44:03,407 INFO L270 CegarLoopResult]: At program point L225-2(lines 210 228) the Hoare annotation is: false [2020-10-20 01:44:03,408 INFO L270 CegarLoopResult]: At program point L225-3(lines 210 228) the Hoare annotation is: false [2020-10-20 01:44:03,408 INFO L270 CegarLoopResult]: At program point L225-4(lines 210 228) the Hoare annotation is: false [2020-10-20 01:44:03,408 INFO L270 CegarLoopResult]: At program point L225-5(lines 210 228) the Hoare annotation is: false [2020-10-20 01:44:03,408 INFO L274 CegarLoopResult]: For program point L820(lines 820 826) no Hoare annotation was computed. [2020-10-20 01:44:03,408 INFO L274 CegarLoopResult]: For program point L820-2(lines 820 826) no Hoare annotation was computed. [2020-10-20 01:44:03,409 INFO L274 CegarLoopResult]: For program point L820-4(lines 820 826) no Hoare annotation was computed. [2020-10-20 01:44:03,409 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:03,409 INFO L270 CegarLoopResult]: At program point L722-2(lines 722 736) the Hoare annotation is: false [2020-10-20 01:44:03,409 INFO L270 CegarLoopResult]: At program point L161(lines 154 164) the Hoare annotation is: false [2020-10-20 01:44:03,409 INFO L270 CegarLoopResult]: At program point L161-1(lines 154 164) the Hoare annotation is: false [2020-10-20 01:44:03,410 INFO L274 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:44:03,410 INFO L270 CegarLoopResult]: At program point L161-2(lines 154 164) the Hoare annotation is: false [2020-10-20 01:44:03,410 INFO L274 CegarLoopResult]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:44:03,410 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:44:03,411 INFO L274 CegarLoopResult]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:44:03,411 INFO L274 CegarLoopResult]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:44:03,411 INFO L274 CegarLoopResult]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2020-10-20 01:44:03,411 INFO L274 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-10-20 01:44:03,411 INFO L274 CegarLoopResult]: For program point L263(lines 263 269) no Hoare annotation was computed. [2020-10-20 01:44:03,412 INFO L270 CegarLoopResult]: At program point L263-1(lines 263 269) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:03,412 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:03,412 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:03,412 INFO L274 CegarLoopResult]: For program point L726(lines 726 730) no Hoare annotation was computed. [2020-10-20 01:44:03,427 INFO L274 CegarLoopResult]: For program point L726-1(lines 59 65) no Hoare annotation was computed. [2020-10-20 01:44:03,428 INFO L270 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:03,428 INFO L270 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2020-10-20 01:44:03,428 INFO L270 CegarLoopResult]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2020-10-20 01:44:03,428 INFO L274 CegarLoopResult]: For program point L793(lines 793 800) no Hoare annotation was computed. [2020-10-20 01:44:03,429 INFO L277 CegarLoopResult]: At program point L793-1(lines 793 800) the Hoare annotation is: true [2020-10-20 01:44:03,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:03 BoogieIcfgContainer [2020-10-20 01:44:03,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:03,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:03,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:03,452 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:03,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:01" (3/4) ... [2020-10-20 01:44:03,457 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:03,476 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:03,478 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:03,479 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:03,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:03,481 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:03,482 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:03,483 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:03,522 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:44:03,617 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:03,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:03,620 INFO L168 Benchmark]: Toolchain (without parser) took 4031.47 ms. Allocated memory was 34.6 MB in the beginning and 61.3 MB in the end (delta: 26.7 MB). Free memory was 10.8 MB in the beginning and 27.1 MB in the end (delta: -16.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:03,621 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:03,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.31 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 9.8 MB in the beginning and 25.9 MB in the end (delta: -16.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:03,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.67 ms. Allocated memory is still 43.5 MB. Free memory was 25.9 MB in the beginning and 22.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:03,622 INFO L168 Benchmark]: Boogie Preprocessor took 77.74 ms. Allocated memory is still 43.5 MB. Free memory was 21.9 MB in the beginning and 19.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:03,623 INFO L168 Benchmark]: RCFGBuilder took 1114.91 ms. Allocated memory was 43.5 MB in the beginning and 48.2 MB in the end (delta: 4.7 MB). Free memory was 19.3 MB in the beginning and 26.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:03,623 INFO L168 Benchmark]: TraceAbstraction took 1900.65 ms. Allocated memory was 48.2 MB in the beginning and 61.3 MB in the end (delta: 13.1 MB). Free memory was 25.4 MB in the beginning and 38.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:03,624 INFO L168 Benchmark]: Witness Printer took 166.28 ms. Allocated memory is still 61.3 MB. Free memory was 38.9 MB in the beginning and 27.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:03,627 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 687.31 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 9.8 MB in the beginning and 25.9 MB in the end (delta: -16.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 75.67 ms. Allocated memory is still 43.5 MB. Free memory was 25.9 MB in the beginning and 22.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 77.74 ms. Allocated memory is still 43.5 MB. Free memory was 21.9 MB in the beginning and 19.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1114.91 ms. Allocated memory was 43.5 MB in the beginning and 48.2 MB in the end (delta: 4.7 MB). Free memory was 19.3 MB in the beginning and 26.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1900.65 ms. Allocated memory was 48.2 MB in the beginning and 61.3 MB in the end (delta: 13.1 MB). Free memory was 25.4 MB in the beginning and 38.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 14.3 GB. * Witness Printer took 166.28 ms. Allocated memory is still 61.3 MB. Free memory was 38.9 MB in the beginning and 27.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 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: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 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: 405 SDtfs, 532 SDslu, 563 SDs, 0 SdLazy, 118 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 174 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 78 NumberOfFragments, 135 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1809 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4860 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...