./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product24.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_spec1_product24.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 ed5636201ca86e4c0316e1914010795451711e2b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:41:28,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:28,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:28,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:28,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:28,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:28,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:28,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:28,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:28,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:28,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:28,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:28,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:28,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:28,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:28,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:28,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:28,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:28,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:28,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:28,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:28,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:28,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:28,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:28,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:28,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:28,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:28,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:28,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:28,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:28,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:28,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:28,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:28,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:28,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:28,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:28,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:28,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:28,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:28,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:28,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:28,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:28,384 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:28,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:28,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:28,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:28,387 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:28,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:28,388 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:28,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:28,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:28,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:28,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:28,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:28,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:28,391 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:28,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:28,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:28,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:28,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:28,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:28,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:28,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:28,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:28,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:28,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:28,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:28,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:28,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:28,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:28,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:28,395 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 -> ed5636201ca86e4c0316e1914010795451711e2b [2020-10-20 01:41:28,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:28,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:28,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:28,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:28,630 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:28,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-10-20 01:41:28,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/564441f71/2c94a4d9d80e4c42aaeace33b033232c/FLAGacd0423db [2020-10-20 01:41:29,293 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:29,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-10-20 01:41:29,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/564441f71/2c94a4d9d80e4c42aaeace33b033232c/FLAGacd0423db [2020-10-20 01:41:29,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/564441f71/2c94a4d9d80e4c42aaeace33b033232c [2020-10-20 01:41:29,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:29,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:29,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:29,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:29,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:29,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:29" (1/1) ... [2020-10-20 01:41:29,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3345d1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:29, skipping insertion in model container [2020-10-20 01:41:29,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:29" (1/1) ... [2020-10-20 01:41:29,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:29,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:30,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:30,130 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:30,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:30,314 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:30,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30 WrapperNode [2020-10-20 01:41:30,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:30,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:30,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:30,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:30,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:30,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:30,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:30,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:30,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:30,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:30,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:30,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:30,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (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 01:41:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:41:31,485 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:41:31,486 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-10-20 01:41:31,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:31 BoogieIcfgContainer [2020-10-20 01:41:31,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:41:31,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:41:31,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:41:31,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:41:31,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:29" (1/3) ... [2020-10-20 01:41:31,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465c542d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:31, skipping insertion in model container [2020-10-20 01:41:31,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30" (2/3) ... [2020-10-20 01:41:31,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465c542d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:31, skipping insertion in model container [2020-10-20 01:41:31,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:31" (3/3) ... [2020-10-20 01:41:31,497 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2020-10-20 01:41:31,509 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:41:31,517 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:41:31,531 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:41:31,569 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:41:31,570 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:41:31,570 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:41:31,570 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:41:31,570 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:41:31,570 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:41:31,571 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:41:31,571 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:41:31,587 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-10-20 01:41:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:41:31,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:31,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:31,594 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:31,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:31,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1031197650, now seen corresponding path program 1 times [2020-10-20 01:41:31,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:31,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203195202] [2020-10-20 01:41:31,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:31,886 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 01:41:31,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203195202] [2020-10-20 01:41:31,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:31,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:31,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903720843] [2020-10-20 01:41:31,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:41:31,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:31,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:41:31,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:31,907 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-10-20 01:41:31,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:31,940 INFO L93 Difference]: Finished difference Result 211 states and 314 transitions. [2020-10-20 01:41:31,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:41:31,942 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:41:31,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:31,955 INFO L225 Difference]: With dead ends: 211 [2020-10-20 01:41:31,956 INFO L226 Difference]: Without dead ends: 103 [2020-10-20 01:41:31,960 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 01:41:31,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-20 01:41:32,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-20 01:41:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-20 01:41:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-10-20 01:41:32,025 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-10-20 01:41:32,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:32,025 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-10-20 01:41:32,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:41:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-10-20 01:41:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:41:32,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:32,027 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 01:41:32,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:41:32,028 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:32,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:32,028 INFO L82 PathProgramCache]: Analyzing trace with hash -2077954547, now seen corresponding path program 1 times [2020-10-20 01:41:32,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:32,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486644456] [2020-10-20 01:41:32,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:32,158 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 01:41:32,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486644456] [2020-10-20 01:41:32,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:32,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:32,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297952605] [2020-10-20 01:41:32,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:32,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:32,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:32,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:32,162 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2020-10-20 01:41:32,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:32,176 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-10-20 01:41:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:32,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:41:32,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:32,178 INFO L225 Difference]: With dead ends: 103 [2020-10-20 01:41:32,178 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 01:41:32,179 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 01:41:32,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 01:41:32,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-20 01:41:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-20 01:41:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-10-20 01:41:32,186 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-10-20 01:41:32,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:32,186 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-10-20 01:41:32,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-10-20 01:41:32,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:41:32,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:32,188 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 01:41:32,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:41:32,188 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:32,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:32,188 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2020-10-20 01:41:32,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:32,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281161732] [2020-10-20 01:41:32,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:41:32,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281161732] [2020-10-20 01:41:32,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:32,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:41:32,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718847077] [2020-10-20 01:41:32,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:32,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:32,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:32,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:32,380 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 5 states. [2020-10-20 01:41:32,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:32,456 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2020-10-20 01:41:32,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:41:32,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-20 01:41:32,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:32,459 INFO L225 Difference]: With dead ends: 107 [2020-10-20 01:41:32,459 INFO L226 Difference]: Without dead ends: 68 [2020-10-20 01:41:32,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:41:32,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-20 01:41:32,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2020-10-20 01:41:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-20 01:41:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2020-10-20 01:41:32,472 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2020-10-20 01:41:32,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:32,473 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2020-10-20 01:41:32,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2020-10-20 01:41:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:41:32,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:32,476 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 01:41:32,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:41:32,477 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:32,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:32,477 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2020-10-20 01:41:32,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:32,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706767197] [2020-10-20 01:41:32,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:32,545 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 01:41:32,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706767197] [2020-10-20 01:41:32,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:32,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:32,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951785739] [2020-10-20 01:41:32,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:32,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:32,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:32,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:32,548 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2020-10-20 01:41:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:32,697 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2020-10-20 01:41:32,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:41:32,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:41:32,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:32,701 INFO L225 Difference]: With dead ends: 309 [2020-10-20 01:41:32,701 INFO L226 Difference]: Without dead ends: 251 [2020-10-20 01:41:32,702 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 [2020-10-20 01:41:32,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-20 01:41:32,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2020-10-20 01:41:32,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-20 01:41:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2020-10-20 01:41:32,725 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2020-10-20 01:41:32,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:32,725 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2020-10-20 01:41:32,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2020-10-20 01:41:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:41:32,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:32,728 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 01:41:32,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:41:32,728 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:32,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:32,729 INFO L82 PathProgramCache]: Analyzing trace with hash -235423010, now seen corresponding path program 1 times [2020-10-20 01:41:32,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:32,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52971154] [2020-10-20 01:41:32,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:32,833 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 01:41:32,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52971154] [2020-10-20 01:41:32,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:32,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:32,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804648528] [2020-10-20 01:41:32,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:32,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:32,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:32,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:32,837 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand 5 states. [2020-10-20 01:41:32,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:32,937 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2020-10-20 01:41:32,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:32,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:41:32,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:32,938 INFO L225 Difference]: With dead ends: 312 [2020-10-20 01:41:32,938 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:41:32,945 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 01:41:32,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:41:32,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:41:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:41:32,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:41:32,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-20 01:41:32,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:32,946 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:41:32,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:41:32,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:41:32,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:41:32,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:41:33,445 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:33,445 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:41:33,445 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:41:33,445 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:41:33,446 INFO L270 CegarLoopResult]: At program point L730(lines 730 736) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:33,446 INFO L270 CegarLoopResult]: At program point L730-1(lines 730 736) the Hoare annotation is: false [2020-10-20 01:41:33,446 INFO L270 CegarLoopResult]: At program point L730-2(lines 730 736) the Hoare annotation is: false [2020-10-20 01:41:33,447 INFO L274 CegarLoopResult]: For program point L565(lines 565 571) no Hoare annotation was computed. [2020-10-20 01:41:33,447 INFO L270 CegarLoopResult]: At program point L565-1(lines 565 571) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:33,447 INFO L270 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: false [2020-10-20 01:41:33,447 INFO L270 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2020-10-20 01:41:33,447 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-10-20 01:41:33,447 INFO L270 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2020-10-20 01:41:33,448 INFO L270 CegarLoopResult]: At program point L499-3(lines 494 502) the Hoare annotation is: false [2020-10-20 01:41:33,448 INFO L270 CegarLoopResult]: At program point L499-4(lines 494 502) the Hoare annotation is: false [2020-10-20 01:41:33,448 INFO L270 CegarLoopResult]: At program point L499-5(lines 494 502) the Hoare annotation is: false [2020-10-20 01:41:33,449 INFO L274 CegarLoopResult]: For program point L897(lines 897 903) no Hoare annotation was computed. [2020-10-20 01:41:33,449 INFO L270 CegarLoopResult]: At program point L897-1(lines 897 903) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:33,449 INFO L274 CegarLoopResult]: For program point L700(lines 700 707) no Hoare annotation was computed. [2020-10-20 01:41:33,449 INFO L277 CegarLoopResult]: At program point L700-1(lines 700 707) the Hoare annotation is: true [2020-10-20 01:41:33,450 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-20 01:41:33,450 INFO L274 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-10-20 01:41:33,450 INFO L274 CegarLoopResult]: For program point L536-2(line 536) no Hoare annotation was computed. [2020-10-20 01:41:33,450 INFO L270 CegarLoopResult]: At program point L834(lines 829 837) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:33,451 INFO L270 CegarLoopResult]: At program point L834-1(lines 829 837) the Hoare annotation is: false [2020-10-20 01:41:33,451 INFO L270 CegarLoopResult]: At program point L834-2(lines 829 837) the Hoare annotation is: false [2020-10-20 01:41:33,451 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:33,451 INFO L270 CegarLoopResult]: At program point L605(lines 554 606) the Hoare annotation is: false [2020-10-20 01:41:33,452 INFO L270 CegarLoopResult]: At program point L674(lines 670 676) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:33,452 INFO L274 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-10-20 01:41:33,452 INFO L270 CegarLoopResult]: At program point L575-1(lines 575 581) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:33,453 INFO L270 CegarLoopResult]: At program point L939(lines 1 950) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:41:33,453 INFO L277 CegarLoopResult]: At program point L709(lines 690 712) the Hoare annotation is: true [2020-10-20 01:41:33,453 INFO L274 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-10-20 01:41:33,453 INFO L274 CegarLoopResult]: For program point L514(lines 514 527) no Hoare annotation was computed. [2020-10-20 01:41:33,454 INFO L270 CegarLoopResult]: At program point L514-1(lines 1 950) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:33,454 INFO L274 CegarLoopResult]: For program point L514-2(lines 514 527) no Hoare annotation was computed. [2020-10-20 01:41:33,454 INFO L270 CegarLoopResult]: At program point L514-3(lines 1 950) the Hoare annotation is: false [2020-10-20 01:41:33,454 INFO L274 CegarLoopResult]: For program point L514-4(lines 514 527) no Hoare annotation was computed. [2020-10-20 01:41:33,454 INFO L270 CegarLoopResult]: At program point L514-5(lines 1 950) the Hoare annotation is: false [2020-10-20 01:41:33,455 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:41:33,455 INFO L274 CegarLoopResult]: For program point L781(lines 781 798) no Hoare annotation was computed. [2020-10-20 01:41:33,455 INFO L274 CegarLoopResult]: For program point L781-1(lines 781 798) no Hoare annotation was computed. [2020-10-20 01:41:33,455 INFO L274 CegarLoopResult]: For program point L781-2(lines 781 798) no Hoare annotation was computed. [2020-10-20 01:41:33,456 INFO L270 CegarLoopResult]: At program point L947(lines 942 950) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:33,456 INFO L274 CegarLoopResult]: For program point L518(lines 518 524) no Hoare annotation was computed. [2020-10-20 01:41:33,456 INFO L274 CegarLoopResult]: For program point L518-2(lines 518 524) no Hoare annotation was computed. [2020-10-20 01:41:33,456 INFO L274 CegarLoopResult]: For program point L518-4(lines 518 524) no Hoare annotation was computed. [2020-10-20 01:41:33,457 INFO L274 CegarLoopResult]: For program point L585(lines 585 600) no Hoare annotation was computed. [2020-10-20 01:41:33,457 INFO L274 CegarLoopResult]: For program point L883(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,457 INFO L274 CegarLoopResult]: For program point L883-2(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,457 INFO L274 CegarLoopResult]: For program point L883-3(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,457 INFO L274 CegarLoopResult]: For program point L883-5(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,458 INFO L274 CegarLoopResult]: For program point L883-6(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,458 INFO L274 CegarLoopResult]: For program point L883-8(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,458 INFO L274 CegarLoopResult]: For program point L883-9(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,458 INFO L274 CegarLoopResult]: For program point L883-11(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,458 INFO L274 CegarLoopResult]: For program point L883-12(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,459 INFO L274 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-10-20 01:41:33,459 INFO L274 CegarLoopResult]: For program point L883-14(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,459 INFO L274 CegarLoopResult]: For program point L883-15(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,459 INFO L274 CegarLoopResult]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2020-10-20 01:41:33,459 INFO L274 CegarLoopResult]: For program point L883-17(lines 883 887) no Hoare annotation was computed. [2020-10-20 01:41:33,460 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:41:33,460 INFO L274 CegarLoopResult]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2020-10-20 01:41:33,460 INFO L274 CegarLoopResult]: For program point L785(lines 785 793) no Hoare annotation was computed. [2020-10-20 01:41:33,460 INFO L274 CegarLoopResult]: For program point L785-1(lines 785 793) no Hoare annotation was computed. [2020-10-20 01:41:33,460 INFO L274 CegarLoopResult]: For program point L785-2(lines 785 793) no Hoare annotation was computed. [2020-10-20 01:41:33,461 INFO L274 CegarLoopResult]: For program point L556(lines 555 604) no Hoare annotation was computed. [2020-10-20 01:41:33,461 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:41:33,461 INFO L274 CegarLoopResult]: For program point L755(lines 755 772) no Hoare annotation was computed. [2020-10-20 01:41:33,461 INFO L274 CegarLoopResult]: For program point L755-1(lines 755 772) no Hoare annotation was computed. [2020-10-20 01:41:33,461 INFO L274 CegarLoopResult]: For program point L755-2(lines 755 772) no Hoare annotation was computed. [2020-10-20 01:41:33,462 INFO L274 CegarLoopResult]: For program point L755-3(lines 755 772) no Hoare annotation was computed. [2020-10-20 01:41:33,462 INFO L274 CegarLoopResult]: For program point L755-4(lines 755 772) no Hoare annotation was computed. [2020-10-20 01:41:33,462 INFO L274 CegarLoopResult]: For program point L755-5(lines 755 772) no Hoare annotation was computed. [2020-10-20 01:41:33,462 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-10-20 01:41:33,462 INFO L270 CegarLoopResult]: At program point L458(lines 453 461) the Hoare annotation is: false [2020-10-20 01:41:33,463 INFO L270 CegarLoopResult]: At program point L458-1(lines 453 461) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:33,463 INFO L270 CegarLoopResult]: At program point L458-2(lines 453 461) the Hoare annotation is: false [2020-10-20 01:41:33,463 INFO L270 CegarLoopResult]: At program point L458-3(lines 453 461) the Hoare annotation is: false [2020-10-20 01:41:33,463 INFO L270 CegarLoopResult]: At program point L458-4(lines 453 461) the Hoare annotation is: false [2020-10-20 01:41:33,463 INFO L270 CegarLoopResult]: At program point L458-5(lines 453 461) the Hoare annotation is: false [2020-10-20 01:41:33,464 INFO L270 CegarLoopResult]: At program point L723(lines 722 741) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:33,464 INFO L274 CegarLoopResult]: For program point L723-1(lines 723 729) no Hoare annotation was computed. [2020-10-20 01:41:33,464 INFO L270 CegarLoopResult]: At program point L723-2(lines 722 741) the Hoare annotation is: false [2020-10-20 01:41:33,464 INFO L270 CegarLoopResult]: At program point L723-3(lines 722 741) the Hoare annotation is: false [2020-10-20 01:41:33,465 INFO L270 CegarLoopResult]: At program point L889(lines 874 892) the Hoare annotation is: false [2020-10-20 01:41:33,465 INFO L270 CegarLoopResult]: At program point L889-1(lines 874 892) the Hoare annotation is: false [2020-10-20 01:41:33,465 INFO L270 CegarLoopResult]: At program point L889-2(lines 874 892) the Hoare annotation is: false [2020-10-20 01:41:33,465 INFO L270 CegarLoopResult]: At program point L889-3(lines 874 892) the Hoare annotation is: false [2020-10-20 01:41:33,465 INFO L270 CegarLoopResult]: At program point L889-4(lines 874 892) the Hoare annotation is: false [2020-10-20 01:41:33,466 INFO L270 CegarLoopResult]: At program point L889-5(lines 874 892) the Hoare annotation is: false [2020-10-20 01:41:33,466 INFO L270 CegarLoopResult]: At program point L625-2(lines 625 639) the Hoare annotation is: false [2020-10-20 01:41:33,466 INFO L274 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-10-20 01:41:33,466 INFO L274 CegarLoopResult]: For program point L593(lines 593 599) no Hoare annotation was computed. [2020-10-20 01:41:33,467 INFO L270 CegarLoopResult]: At program point L593-1(lines 723 729) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:33,467 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:41:33,467 INFO L270 CegarLoopResult]: At program point L825(lines 818 828) the Hoare annotation is: false [2020-10-20 01:41:33,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:33,467 INFO L270 CegarLoopResult]: At program point L825-1(lines 818 828) the Hoare annotation is: false [2020-10-20 01:41:33,468 INFO L274 CegarLoopResult]: For program point L759(lines 759 767) no Hoare annotation was computed. [2020-10-20 01:41:33,468 INFO L270 CegarLoopResult]: At program point L825-2(lines 818 828) the Hoare annotation is: false [2020-10-20 01:41:33,468 INFO L274 CegarLoopResult]: For program point L759-1(lines 759 767) no Hoare annotation was computed. [2020-10-20 01:41:33,468 INFO L274 CegarLoopResult]: For program point L759-2(lines 759 767) no Hoare annotation was computed. [2020-10-20 01:41:33,468 INFO L274 CegarLoopResult]: For program point L759-3(lines 759 767) no Hoare annotation was computed. [2020-10-20 01:41:33,469 INFO L274 CegarLoopResult]: For program point L759-4(lines 759 767) no Hoare annotation was computed. [2020-10-20 01:41:33,469 INFO L274 CegarLoopResult]: For program point L759-5(lines 759 767) no Hoare annotation was computed. [2020-10-20 01:41:33,469 INFO L274 CegarLoopResult]: For program point L629(lines 629 633) no Hoare annotation was computed. [2020-10-20 01:41:33,469 INFO L274 CegarLoopResult]: For program point L629-1(lines 723 729) no Hoare annotation was computed. [2020-10-20 01:41:33,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:41:33 BoogieIcfgContainer [2020-10-20 01:41:33,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:41:33,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:41:33,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:41:33,494 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:41:33,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:31" (3/4) ... [2020-10-20 01:41:33,498 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:41:33,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:41:33,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:41:33,519 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:41:33,520 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:41:33,521 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:41:33,522 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:33,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:33,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:41:33,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-20 01:41:33,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:33,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:33,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:33,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:33,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:33,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:33,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:33,580 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:33,582 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:33,659 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:41:33,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:41:33,661 INFO L168 Benchmark]: Toolchain (without parser) took 4057.38 ms. Allocated memory was 36.2 MB in the beginning and 64.5 MB in the end (delta: 28.3 MB). Free memory was 18.3 MB in the beginning and 33.0 MB in the end (delta: -14.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,662 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 33.6 MB. Free memory was 11.9 MB in the beginning and 11.8 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.89 ms. Allocated memory was 36.2 MB in the beginning and 46.1 MB in the end (delta: 10.0 MB). Free memory was 17.4 MB in the beginning and 28.2 MB in the end (delta: -10.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.90 ms. Allocated memory is still 46.1 MB. Free memory was 28.2 MB in the beginning and 24.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,663 INFO L168 Benchmark]: Boogie Preprocessor took 58.33 ms. Allocated memory is still 46.1 MB. Free memory was 24.3 MB in the beginning and 21.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,664 INFO L168 Benchmark]: RCFGBuilder took 1035.86 ms. Allocated memory was 46.1 MB in the beginning and 48.8 MB in the end (delta: 2.6 MB). Free memory was 21.5 MB in the beginning and 13.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,664 INFO L168 Benchmark]: TraceAbstraction took 2003.59 ms. Allocated memory was 48.8 MB in the beginning and 64.5 MB in the end (delta: 15.7 MB). Free memory was 12.8 MB in the beginning and 13.1 MB in the end (delta: -252.5 kB). Peak memory consumption was 16.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,665 INFO L168 Benchmark]: Witness Printer took 166.16 ms. Allocated memory is still 64.5 MB. Free memory was 13.1 MB in the beginning and 33.6 MB in the end (delta: -20.5 MB). Peak memory consumption was 3.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:33,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 33.6 MB. Free memory was 11.9 MB in the beginning and 11.8 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 705.89 ms. Allocated memory was 36.2 MB in the beginning and 46.1 MB in the end (delta: 10.0 MB). Free memory was 17.4 MB in the beginning and 28.2 MB in the end (delta: -10.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 77.90 ms. Allocated memory is still 46.1 MB. Free memory was 28.2 MB in the beginning and 24.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 58.33 ms. Allocated memory is still 46.1 MB. Free memory was 24.3 MB in the beginning and 21.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1035.86 ms. Allocated memory was 46.1 MB in the beginning and 48.8 MB in the end (delta: 2.6 MB). Free memory was 21.5 MB in the beginning and 13.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2003.59 ms. Allocated memory was 48.8 MB in the beginning and 64.5 MB in the end (delta: 15.7 MB). Free memory was 12.8 MB in the beginning and 13.1 MB in the end (delta: -252.5 kB). Peak memory consumption was 16.2 MB. Max. memory is 14.3 GB. * Witness Printer took 166.16 ms. Allocated memory is still 64.5 MB. Free memory was 13.1 MB in the beginning and 33.6 MB in the end (delta: -20.5 MB). Peak memory consumption was 3.0 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: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 432 SDtfs, 632 SDslu, 396 SDs, 0 SdLazy, 68 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 139 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 194 HoareAnnotationTreeSize, 44 FomulaSimplifications, 3888 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 304 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4325 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...