./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product10.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_spec2_product10.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 1c9e4bd76592b5b320fdce5045c771849ffd48c0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:42:11,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:11,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:11,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:11,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:11,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:11,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:11,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:11,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:11,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:11,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:11,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:11,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:11,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:11,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:11,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:11,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:11,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:11,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:11,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:11,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:11,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:11,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:11,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:11,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:11,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:11,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:11,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:11,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:11,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:11,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:11,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:11,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:11,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:11,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:11,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:11,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:11,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:11,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:11,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:11,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:11,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:11,450 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:11,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:11,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:11,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:11,452 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:11,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:11,452 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:11,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:11,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:11,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:11,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:11,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:11,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:11,454 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:11,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:11,455 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:11,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:11,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:11,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:11,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:11,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:11,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:11,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:11,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:11,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:11,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:11,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:11,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:11,458 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:11,458 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 -> 1c9e4bd76592b5b320fdce5045c771849ffd48c0 [2020-10-20 01:42:11,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:11,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:11,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:11,685 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:11,686 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:11,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2020-10-20 01:42:11,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8639c48a/417238f2bdad4685879b03e357322a84/FLAGc753661f1 [2020-10-20 01:42:12,324 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:12,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2020-10-20 01:42:12,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8639c48a/417238f2bdad4685879b03e357322a84/FLAGc753661f1 [2020-10-20 01:42:12,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8639c48a/417238f2bdad4685879b03e357322a84 [2020-10-20 01:42:12,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:12,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:12,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:12,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:12,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:12,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa05be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12, skipping insertion in model container [2020-10-20 01:42:12,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:12,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:13,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:13,155 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:13,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:13,360 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:13,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13 WrapperNode [2020-10-20 01:42:13,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:13,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:13,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:13,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:13,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:13,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:13,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:13,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:13,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (1/1) ... [2020-10-20 01:42:13,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:13,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:13,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:13,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:13,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (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 01:42:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:14,379 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:14,379 INFO L298 CfgBuilder]: Removed 76 assume(true) statements. [2020-10-20 01:42:14,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:14 BoogieIcfgContainer [2020-10-20 01:42:14,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:14,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:14,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:14,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:14,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:12" (1/3) ... [2020-10-20 01:42:14,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab91d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:14, skipping insertion in model container [2020-10-20 01:42:14,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:13" (2/3) ... [2020-10-20 01:42:14,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab91d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:14, skipping insertion in model container [2020-10-20 01:42:14,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:14" (3/3) ... [2020-10-20 01:42:14,392 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2020-10-20 01:42:14,404 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:14,413 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:14,429 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:14,455 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:14,455 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:14,455 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:14,456 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:14,456 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:14,456 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:14,457 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:14,457 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:14,474 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-10-20 01:42:14,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:14,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:14,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:14,499 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:14,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:14,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1439669828, now seen corresponding path program 1 times [2020-10-20 01:42:14,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:14,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038477168] [2020-10-20 01:42:14,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:14,855 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 01:42:14,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038477168] [2020-10-20 01:42:14,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:14,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:14,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323232672] [2020-10-20 01:42:14,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:14,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:14,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:14,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:14,884 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2020-10-20 01:42:14,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:14,925 INFO L93 Difference]: Finished difference Result 118 states and 177 transitions. [2020-10-20 01:42:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:14,927 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:14,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:14,946 INFO L225 Difference]: With dead ends: 118 [2020-10-20 01:42:14,946 INFO L226 Difference]: Without dead ends: 57 [2020-10-20 01:42:14,950 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 01:42:14,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-20 01:42:14,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-20 01:42:14,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-20 01:42:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-10-20 01:42:15,004 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2020-10-20 01:42:15,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:15,005 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-10-20 01:42:15,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:15,006 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-10-20 01:42:15,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:15,008 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:15,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:15,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:15,010 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:15,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:15,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1220833859, now seen corresponding path program 1 times [2020-10-20 01:42:15,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:15,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218993576] [2020-10-20 01:42:15,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:15,152 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 01:42:15,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218993576] [2020-10-20 01:42:15,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:15,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:15,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493279928] [2020-10-20 01:42:15,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:15,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:15,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:15,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:15,157 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2020-10-20 01:42:15,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:15,167 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-10-20 01:42:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:15,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:15,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:15,170 INFO L225 Difference]: With dead ends: 57 [2020-10-20 01:42:15,170 INFO L226 Difference]: Without dead ends: 29 [2020-10-20 01:42:15,171 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 01:42:15,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-20 01:42:15,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-20 01:42:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-20 01:42:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-10-20 01:42:15,177 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-10-20 01:42:15,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:15,178 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-10-20 01:42:15,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-10-20 01:42:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:15,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:15,181 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 01:42:15,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:15,181 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:15,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:15,182 INFO L82 PathProgramCache]: Analyzing trace with hash -2087364582, now seen corresponding path program 1 times [2020-10-20 01:42:15,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:15,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381377255] [2020-10-20 01:42:15,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:15,297 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 01:42:15,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381377255] [2020-10-20 01:42:15,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:15,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:15,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596319880] [2020-10-20 01:42:15,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:15,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:15,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:15,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:15,300 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-10-20 01:42:15,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:15,403 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2020-10-20 01:42:15,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:15,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:42:15,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:15,405 INFO L225 Difference]: With dead ends: 112 [2020-10-20 01:42:15,406 INFO L226 Difference]: Without dead ends: 90 [2020-10-20 01:42:15,407 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 01:42:15,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-20 01:42:15,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2020-10-20 01:42:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-20 01:42:15,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-10-20 01:42:15,417 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2020-10-20 01:42:15,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:15,418 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-10-20 01:42:15,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:15,418 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-10-20 01:42:15,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:42:15,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:15,420 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 01:42:15,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:15,420 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:15,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:15,421 INFO L82 PathProgramCache]: Analyzing trace with hash -837026654, now seen corresponding path program 1 times [2020-10-20 01:42:15,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:15,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812174862] [2020-10-20 01:42:15,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:15,510 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 01:42:15,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812174862] [2020-10-20 01:42:15,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:15,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:15,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83401866] [2020-10-20 01:42:15,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:15,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:15,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:15,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:15,513 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2020-10-20 01:42:15,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:15,564 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2020-10-20 01:42:15,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:15,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:42:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:15,566 INFO L225 Difference]: With dead ends: 132 [2020-10-20 01:42:15,566 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:15,567 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 01:42:15,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:15,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:15,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:15,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-20 01:42:15,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:15,569 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:15,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:15,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:15,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:15,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:15,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:15,741 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,741 INFO L270 CegarLoopResult]: At program point L630(lines 630 636) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,741 INFO L270 CegarLoopResult]: At program point L630-1(lines 630 636) the Hoare annotation is: false [2020-10-20 01:42:15,741 INFO L274 CegarLoopResult]: For program point L564(lines 564 570) no Hoare annotation was computed. [2020-10-20 01:42:15,742 INFO L270 CegarLoopResult]: At program point L630-2(lines 630 636) the Hoare annotation is: false [2020-10-20 01:42:15,742 INFO L270 CegarLoopResult]: At program point L564-1(lines 564 570) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,742 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,742 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,742 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,742 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,742 INFO L274 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-10-20 01:42:15,743 INFO L277 CegarLoopResult]: At program point L880(lines 861 883) the Hoare annotation is: true [2020-10-20 01:42:15,743 INFO L270 CegarLoopResult]: At program point L847(lines 843 849) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,743 INFO L274 CegarLoopResult]: For program point L584(lines 584 597) no Hoare annotation was computed. [2020-10-20 01:42:15,743 INFO L274 CegarLoopResult]: For program point L766(lines 766 783) no Hoare annotation was computed. [2020-10-20 01:42:15,743 INFO L270 CegarLoopResult]: At program point L766-1(lines 1 883) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,743 INFO L270 CegarLoopResult]: At program point L799-2(lines 799 813) the Hoare annotation is: false [2020-10-20 01:42:15,744 INFO L270 CegarLoopResult]: At program point L700(lines 695 703) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,744 INFO L274 CegarLoopResult]: For program point L766-2(lines 766 783) no Hoare annotation was computed. [2020-10-20 01:42:15,744 INFO L270 CegarLoopResult]: At program point L700-1(lines 695 703) the Hoare annotation is: false [2020-10-20 01:42:15,745 INFO L270 CegarLoopResult]: At program point L766-3(lines 1 883) the Hoare annotation is: false [2020-10-20 01:42:15,745 INFO L274 CegarLoopResult]: For program point L766-4(lines 766 783) no Hoare annotation was computed. [2020-10-20 01:42:15,745 INFO L270 CegarLoopResult]: At program point L700-2(lines 695 703) the Hoare annotation is: false [2020-10-20 01:42:15,746 INFO L270 CegarLoopResult]: At program point L766-5(lines 1 883) the Hoare annotation is: false [2020-10-20 01:42:15,746 INFO L274 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-10-20 01:42:15,746 INFO L270 CegarLoopResult]: At program point L602(lines 553 603) the Hoare annotation is: false [2020-10-20 01:42:15,746 INFO L270 CegarLoopResult]: At program point L536(lines 531 539) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,747 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,747 INFO L274 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2020-10-20 01:42:15,747 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,747 INFO L274 CegarLoopResult]: For program point L555(lines 554 601) no Hoare annotation was computed. [2020-10-20 01:42:15,748 INFO L274 CegarLoopResult]: For program point L803(lines 803 807) no Hoare annotation was computed. [2020-10-20 01:42:15,748 INFO L274 CegarLoopResult]: For program point L770(lines 770 780) no Hoare annotation was computed. [2020-10-20 01:42:15,748 INFO L274 CegarLoopResult]: For program point L803-1(lines 623 629) no Hoare annotation was computed. [2020-10-20 01:42:15,748 INFO L274 CegarLoopResult]: For program point L770-2(lines 770 780) no Hoare annotation was computed. [2020-10-20 01:42:15,748 INFO L274 CegarLoopResult]: For program point L770-4(lines 770 780) no Hoare annotation was computed. [2020-10-20 01:42:15,749 INFO L274 CegarLoopResult]: For program point L556(lines 556 560) no Hoare annotation was computed. [2020-10-20 01:42:15,749 INFO L274 CegarLoopResult]: For program point L771(lines 771 777) no Hoare annotation was computed. [2020-10-20 01:42:15,749 INFO L274 CegarLoopResult]: For program point L771-2(lines 771 777) no Hoare annotation was computed. [2020-10-20 01:42:15,749 INFO L274 CegarLoopResult]: For program point L771-4(lines 771 777) no Hoare annotation was computed. [2020-10-20 01:42:15,749 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,750 INFO L270 CegarLoopResult]: At program point L755(lines 750 757) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,750 INFO L270 CegarLoopResult]: At program point L623(lines 622 641) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,750 INFO L274 CegarLoopResult]: For program point L623-1(lines 623 629) no Hoare annotation was computed. [2020-10-20 01:42:15,750 INFO L270 CegarLoopResult]: At program point L623-2(lines 622 641) the Hoare annotation is: false [2020-10-20 01:42:15,751 INFO L270 CegarLoopResult]: At program point L623-3(lines 622 641) the Hoare annotation is: false [2020-10-20 01:42:15,751 INFO L274 CegarLoopResult]: For program point L871(lines 871 878) no Hoare annotation was computed. [2020-10-20 01:42:15,751 INFO L277 CegarLoopResult]: At program point L871-1(lines 871 878) the Hoare annotation is: true [2020-10-20 01:42:15,751 INFO L274 CegarLoopResult]: For program point L574(lines 574 580) no Hoare annotation was computed. [2020-10-20 01:42:15,752 INFO L270 CegarLoopResult]: At program point L574-1(lines 574 580) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,752 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-20 01:42:15,752 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-20 01:42:15,752 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-20 01:42:15,752 INFO L274 CegarLoopResult]: For program point L63(lines 63 67) no Hoare annotation was computed. [2020-10-20 01:42:15,753 INFO L274 CegarLoopResult]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2020-10-20 01:42:15,753 INFO L274 CegarLoopResult]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2020-10-20 01:42:15,753 INFO L274 CegarLoopResult]: For program point L592(lines 592 596) no Hoare annotation was computed. [2020-10-20 01:42:15,753 INFO L270 CegarLoopResult]: At program point L592-2(lines 623 629) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,754 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,754 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,754 INFO L270 CegarLoopResult]: At program point L528(lines 1 883) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,754 INFO L270 CegarLoopResult]: At program point L100(lines 95 103) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,755 INFO L270 CegarLoopResult]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2020-10-20 01:42:15,755 INFO L270 CegarLoopResult]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2020-10-20 01:42:15,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:15 BoogieIcfgContainer [2020-10-20 01:42:15,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:15,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:15,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:15,776 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:15,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:14" (3/4) ... [2020-10-20 01:42:15,781 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:15,796 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:15,797 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:15,797 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:15,798 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:15,798 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:15,799 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:15,799 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:15,833 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:15,879 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:15,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:15,882 INFO L168 Benchmark]: Toolchain (without parser) took 3169.99 ms. Allocated memory was 40.4 MB in the beginning and 54.5 MB in the end (delta: 14.2 MB). Free memory was 17.4 MB in the beginning and 16.6 MB in the end (delta: 749.1 kB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,883 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 30.9 MB. Free memory was 7.2 MB in the beginning and 7.2 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.67 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 16.4 MB in the beginning and 20.4 MB in the end (delta: -4.0 MB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.08 ms. Allocated memory is still 43.0 MB. Free memory was 20.4 MB in the beginning and 17.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,884 INFO L168 Benchmark]: Boogie Preprocessor took 43.77 ms. Allocated memory is still 43.0 MB. Free memory was 17.6 MB in the beginning and 15.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,885 INFO L168 Benchmark]: RCFGBuilder took 911.16 ms. Allocated memory was 43.0 MB in the beginning and 45.1 MB in the end (delta: 2.1 MB). Free memory was 15.3 MB in the beginning and 17.0 MB in the end (delta: -1.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,885 INFO L168 Benchmark]: TraceAbstraction took 1391.94 ms. Allocated memory was 45.1 MB in the beginning and 54.5 MB in the end (delta: 9.4 MB). Free memory was 16.3 MB in the beginning and 24.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,886 INFO L168 Benchmark]: Witness Printer took 104.15 ms. Allocated memory is still 54.5 MB. Free memory was 24.0 MB in the beginning and 16.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,889 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 30.9 MB. Free memory was 7.2 MB in the beginning and 7.2 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 635.67 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 16.4 MB in the beginning and 20.4 MB in the end (delta: -4.0 MB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 65.08 ms. Allocated memory is still 43.0 MB. Free memory was 20.4 MB in the beginning and 17.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 43.77 ms. Allocated memory is still 43.0 MB. Free memory was 17.6 MB in the beginning and 15.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 911.16 ms. Allocated memory was 43.0 MB in the beginning and 45.1 MB in the end (delta: 2.1 MB). Free memory was 15.3 MB in the beginning and 17.0 MB in the end (delta: -1.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1391.94 ms. Allocated memory was 45.1 MB in the beginning and 54.5 MB in the end (delta: 9.4 MB). Free memory was 16.3 MB in the beginning and 24.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. * Witness Printer took 104.15 ms. Allocated memory is still 54.5 MB. Free memory was 24.0 MB in the beginning and 16.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 64 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 67 NumberOfFragments, 101 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...