./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_product23.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce9b192c4304b665f71871b8c27751c04bbbec40 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:21:56,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:21:56,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:21:57,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:21:57,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:21:57,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:21:57,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:21:57,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:21:57,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:21:57,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:21:57,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:21:57,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:21:57,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:21:57,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:21:57,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:21:57,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:21:57,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:21:57,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:21:57,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:21:57,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:21:57,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:21:57,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:21:57,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:21:57,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:21:57,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:21:57,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:21:57,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:21:57,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:21:57,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:21:57,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:21:57,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:21:57,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:21:57,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:21:57,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:21:57,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:21:57,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:21:57,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:21:57,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:21:57,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:21:57,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:21:57,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:21:57,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:21:57,111 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:21:57,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:21:57,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:21:57,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:21:57,116 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:21:57,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:21:57,116 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:21:57,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:21:57,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:21:57,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:21:57,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:21:57,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:21:57,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:21:57,120 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:21:57,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:21:57,121 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:21:57,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:21:57,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:21:57,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:21:57,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:21:57,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:21:57,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:21:57,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:21:57,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:21:57,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:21:57,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:21:57,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:21:57,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:21:57,127 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(__VERIFIER_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 -> ce9b192c4304b665f71871b8c27751c04bbbec40 [2019-11-19 21:21:57,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:21:57,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:21:57,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:21:57,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:21:57,465 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:21:57,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2019-11-19 21:21:57,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4a26a54/ced89d00d7934dd68f39b74b936f1f99/FLAGc2fc7ebd4 [2019-11-19 21:21:58,096 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:21:58,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2019-11-19 21:21:58,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4a26a54/ced89d00d7934dd68f39b74b936f1f99/FLAGc2fc7ebd4 [2019-11-19 21:21:58,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de4a26a54/ced89d00d7934dd68f39b74b936f1f99 [2019-11-19 21:21:58,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:21:58,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:21:58,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:21:58,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:21:58,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:21:58,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:21:58" (1/1) ... [2019-11-19 21:21:58,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714c073b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:58, skipping insertion in model container [2019-11-19 21:21:58,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:21:58" (1/1) ... [2019-11-19 21:21:58,367 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:21:58,427 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:21:58,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:21:58,936 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:21:59,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:21:59,086 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:21:59,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59 WrapperNode [2019-11-19 21:21:59,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:21:59,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:21:59,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:21:59,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:21:59,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59" (1/1) ... [2019-11-19 21:21:59,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59" (1/1) ... [2019-11-19 21:21:59,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:21:59,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:21:59,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:21:59,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:21:59,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59" (1/1) ... [2019-11-19 21:21:59,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59" (1/1) ... [2019-11-19 21:21:59,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59" (1/1) ... [2019-11-19 21:21:59,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59" (1/1) ... [2019-11-19 21:21:59,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59" (1/1) ... [2019-11-19 21:21:59,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59" (1/1) ... [2019-11-19 21:21:59,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59" (1/1) ... [2019-11-19 21:21:59,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:21:59,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:21:59,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:21:59,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:21:59,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59" (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 [2019-11-19 21:21:59,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:21:59,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:21:59,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:21:59,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:00,242 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:00,243 INFO L285 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-19 21:22:00,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:00 BoogieIcfgContainer [2019-11-19 21:22:00,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:00,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:00,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:00,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:00,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:21:58" (1/3) ... [2019-11-19 21:22:00,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b674c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:00, skipping insertion in model container [2019-11-19 21:22:00,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:59" (2/3) ... [2019-11-19 21:22:00,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b674c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:00, skipping insertion in model container [2019-11-19 21:22:00,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:00" (3/3) ... [2019-11-19 21:22:00,262 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2019-11-19 21:22:00,273 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:00,283 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:00,297 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:00,337 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:00,338 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:00,338 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:00,338 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:00,340 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:00,340 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:00,340 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:00,340 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-19 21:22:00,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 21:22:00,367 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:00,368 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:00,369 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:00,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:00,374 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2019-11-19 21:22:00,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:00,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622965078] [2019-11-19 21:22:00,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:00,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622965078] [2019-11-19 21:22:00,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:00,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:00,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035666965] [2019-11-19 21:22:00,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:00,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:00,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:00,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:00,633 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-11-19 21:22:00,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:00,669 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-11-19 21:22:00,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:00,671 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-19 21:22:00,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:00,684 INFO L225 Difference]: With dead ends: 208 [2019-11-19 21:22:00,685 INFO L226 Difference]: Without dead ends: 103 [2019-11-19 21:22:00,689 INFO L630 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 [2019-11-19 21:22:00,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-19 21:22:00,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-11-19 21:22:00,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-19 21:22:00,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-11-19 21:22:00,738 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-11-19 21:22:00,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:00,739 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-11-19 21:22:00,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-11-19 21:22:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 21:22:00,741 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:00,741 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:00,741 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:00,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:00,742 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2019-11-19 21:22:00,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:00,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418028439] [2019-11-19 21:22:00,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:00,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:00,861 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418028439] [2019-11-19 21:22:00,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:00,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:00,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333327969] [2019-11-19 21:22:00,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:00,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:00,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:00,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:00,867 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2019-11-19 21:22:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:00,895 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-11-19 21:22:00,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:00,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-19 21:22:00,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:00,901 INFO L225 Difference]: With dead ends: 103 [2019-11-19 21:22:00,901 INFO L226 Difference]: Without dead ends: 45 [2019-11-19 21:22:00,903 INFO L630 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 [2019-11-19 21:22:00,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-19 21:22:00,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-19 21:22:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-19 21:22:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-11-19 21:22:00,920 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-11-19 21:22:00,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:00,920 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-11-19 21:22:00,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-11-19 21:22:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 21:22:00,922 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:00,923 INFO L410 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] [2019-11-19 21:22:00,923 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:00,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:00,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2019-11-19 21:22:00,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:00,924 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813616493] [2019-11-19 21:22:00,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:01,130 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813616493] [2019-11-19 21:22:01,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:01,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:01,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174857849] [2019-11-19 21:22:01,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:22:01,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:01,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:22:01,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:22:01,134 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2019-11-19 21:22:01,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:01,331 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2019-11-19 21:22:01,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:22:01,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-19 21:22:01,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:01,333 INFO L225 Difference]: With dead ends: 146 [2019-11-19 21:22:01,334 INFO L226 Difference]: Without dead ends: 107 [2019-11-19 21:22:01,335 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:22:01,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-19 21:22:01,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2019-11-19 21:22:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-19 21:22:01,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2019-11-19 21:22:01,349 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2019-11-19 21:22:01,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:01,350 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2019-11-19 21:22:01,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:22:01,350 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2019-11-19 21:22:01,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:22:01,351 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:01,351 INFO L410 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] [2019-11-19 21:22:01,352 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:01,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:01,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2019-11-19 21:22:01,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:01,353 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461911501] [2019-11-19 21:22:01,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:01,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:01,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461911501] [2019-11-19 21:22:01,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:01,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:01,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577938490] [2019-11-19 21:22:01,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:01,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:01,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:01,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:01,442 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2019-11-19 21:22:01,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:01,607 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2019-11-19 21:22:01,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 21:22:01,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-19 21:22:01,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:01,611 INFO L225 Difference]: With dead ends: 309 [2019-11-19 21:22:01,611 INFO L226 Difference]: Without dead ends: 251 [2019-11-19 21:22:01,612 INFO L630 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 [2019-11-19 21:22:01,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-11-19 21:22:01,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2019-11-19 21:22:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-19 21:22:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2019-11-19 21:22:01,634 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2019-11-19 21:22:01,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:01,634 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2019-11-19 21:22:01,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:01,635 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2019-11-19 21:22:01,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 21:22:01,636 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:01,637 INFO L410 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] [2019-11-19 21:22:01,637 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:01,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:01,638 INFO L82 PathProgramCache]: Analyzing trace with hash -891352514, now seen corresponding path program 1 times [2019-11-19 21:22:01,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:01,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108307299] [2019-11-19 21:22:01,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:01,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:01,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108307299] [2019-11-19 21:22:01,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:01,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:01,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763445996] [2019-11-19 21:22:01,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:01,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:01,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:01,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:01,705 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand 5 states. [2019-11-19 21:22:01,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:01,791 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2019-11-19 21:22:01,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:01,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-19 21:22:01,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:01,793 INFO L225 Difference]: With dead ends: 312 [2019-11-19 21:22:01,793 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:22:01,796 INFO L630 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 [2019-11-19 21:22:01,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:22:01,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:22:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:22:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:22:01,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-19 21:22:01,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:01,798 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:22:01,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:22:01,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:22:01,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:22:02,160 INFO L440 ceAbstractionStarter]: At program point L894(lines 890 896) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-19 21:22:02,161 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2019-11-19 21:22:02,161 INFO L440 ceAbstractionStarter]: At program point L830(lines 825 833) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-19 21:22:02,161 INFO L444 ceAbstractionStarter]: For program point L535(lines 535 541) no Hoare annotation was computed. [2019-11-19 21:22:02,161 INFO L440 ceAbstractionStarter]: At program point L535-1(lines 535 541) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:02,161 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2019-11-19 21:22:02,161 INFO L444 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-11-19 21:22:02,162 INFO L444 ceAbstractionStarter]: For program point L935-1(line 935) no Hoare annotation was computed. [2019-11-19 21:22:02,162 INFO L444 ceAbstractionStarter]: For program point L935-2(line 935) no Hoare annotation was computed. [2019-11-19 21:22:02,162 INFO L444 ceAbstractionStarter]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-11-19 21:22:02,162 INFO L444 ceAbstractionStarter]: For program point L642(lines 642 659) no Hoare annotation was computed. [2019-11-19 21:22:02,162 INFO L444 ceAbstractionStarter]: For program point L642-1(lines 642 659) no Hoare annotation was computed. [2019-11-19 21:22:02,163 INFO L444 ceAbstractionStarter]: For program point L642-2(lines 642 659) no Hoare annotation was computed. [2019-11-19 21:22:02,163 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 558) no Hoare annotation was computed. [2019-11-19 21:22:02,163 INFO L444 ceAbstractionStarter]: For program point L744(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,163 INFO L444 ceAbstractionStarter]: For program point L744-2(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,163 INFO L444 ceAbstractionStarter]: For program point L744-3(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,163 INFO L444 ceAbstractionStarter]: For program point L744-5(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,163 INFO L444 ceAbstractionStarter]: For program point L744-6(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,164 INFO L444 ceAbstractionStarter]: For program point L744-8(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,164 INFO L444 ceAbstractionStarter]: For program point L744-9(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,164 INFO L444 ceAbstractionStarter]: For program point L744-11(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,164 INFO L444 ceAbstractionStarter]: For program point L744-12(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,164 INFO L444 ceAbstractionStarter]: For program point L744-14(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,164 INFO L444 ceAbstractionStarter]: For program point L744-15(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,165 INFO L444 ceAbstractionStarter]: For program point L744-17(lines 744 748) no Hoare annotation was computed. [2019-11-19 21:22:02,165 INFO L444 ceAbstractionStarter]: For program point L646(lines 646 654) no Hoare annotation was computed. [2019-11-19 21:22:02,165 INFO L444 ceAbstractionStarter]: For program point L646-1(lines 646 654) no Hoare annotation was computed. [2019-11-19 21:22:02,165 INFO L444 ceAbstractionStarter]: For program point L646-2(lines 646 654) no Hoare annotation was computed. [2019-11-19 21:22:02,165 INFO L444 ceAbstractionStarter]: For program point L779(lines 779 792) no Hoare annotation was computed. [2019-11-19 21:22:02,166 INFO L440 ceAbstractionStarter]: At program point L779-1(lines 1 938) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:02,166 INFO L444 ceAbstractionStarter]: For program point L779-2(lines 779 792) no Hoare annotation was computed. [2019-11-19 21:22:02,166 INFO L440 ceAbstractionStarter]: At program point L779-3(lines 1 938) the Hoare annotation is: false [2019-11-19 21:22:02,166 INFO L444 ceAbstractionStarter]: For program point L779-4(lines 779 792) no Hoare annotation was computed. [2019-11-19 21:22:02,166 INFO L440 ceAbstractionStarter]: At program point L779-5(lines 1 938) the Hoare annotation is: false [2019-11-19 21:22:02,166 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:22:02,167 INFO L440 ceAbstractionStarter]: At program point L846-2(lines 846 860) the Hoare annotation is: false [2019-11-19 21:22:02,167 INFO L444 ceAbstractionStarter]: For program point L516(lines 515 562) no Hoare annotation was computed. [2019-11-19 21:22:02,167 INFO L444 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-11-19 21:22:02,167 INFO L444 ceAbstractionStarter]: For program point L616(lines 616 633) no Hoare annotation was computed. [2019-11-19 21:22:02,167 INFO L444 ceAbstractionStarter]: For program point L616-1(lines 616 633) no Hoare annotation was computed. [2019-11-19 21:22:02,167 INFO L444 ceAbstractionStarter]: For program point L616-2(lines 616 633) no Hoare annotation was computed. [2019-11-19 21:22:02,167 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 521) no Hoare annotation was computed. [2019-11-19 21:22:02,168 INFO L444 ceAbstractionStarter]: For program point L616-3(lines 616 633) no Hoare annotation was computed. [2019-11-19 21:22:02,168 INFO L444 ceAbstractionStarter]: For program point L616-4(lines 616 633) no Hoare annotation was computed. [2019-11-19 21:22:02,168 INFO L444 ceAbstractionStarter]: For program point L616-5(lines 616 633) no Hoare annotation was computed. [2019-11-19 21:22:02,172 INFO L440 ceAbstractionStarter]: At program point L584(lines 583 602) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:02,172 INFO L444 ceAbstractionStarter]: For program point L551(lines 551 557) no Hoare annotation was computed. [2019-11-19 21:22:02,172 INFO L444 ceAbstractionStarter]: For program point L584-1(lines 584 590) no Hoare annotation was computed. [2019-11-19 21:22:02,172 INFO L440 ceAbstractionStarter]: At program point L551-1(lines 584 590) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:02,173 INFO L440 ceAbstractionStarter]: At program point L584-2(lines 583 602) the Hoare annotation is: false [2019-11-19 21:22:02,173 INFO L440 ceAbstractionStarter]: At program point L584-3(lines 583 602) the Hoare annotation is: false [2019-11-19 21:22:02,173 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-11-19 21:22:02,173 INFO L444 ceAbstractionStarter]: For program point L419-3(lines 419 423) no Hoare annotation was computed. [2019-11-19 21:22:02,173 INFO L444 ceAbstractionStarter]: For program point L419-6(lines 419 423) no Hoare annotation was computed. [2019-11-19 21:22:02,173 INFO L444 ceAbstractionStarter]: For program point L783(lines 783 789) no Hoare annotation was computed. [2019-11-19 21:22:02,174 INFO L440 ceAbstractionStarter]: At program point L750(lines 735 753) the Hoare annotation is: false [2019-11-19 21:22:02,174 INFO L440 ceAbstractionStarter]: At program point L750-1(lines 735 753) the Hoare annotation is: false [2019-11-19 21:22:02,174 INFO L444 ceAbstractionStarter]: For program point L783-2(lines 783 789) no Hoare annotation was computed. [2019-11-19 21:22:02,174 INFO L440 ceAbstractionStarter]: At program point L750-2(lines 735 753) the Hoare annotation is: false [2019-11-19 21:22:02,174 INFO L440 ceAbstractionStarter]: At program point L750-3(lines 735 753) the Hoare annotation is: false [2019-11-19 21:22:02,174 INFO L444 ceAbstractionStarter]: For program point L783-4(lines 783 789) no Hoare annotation was computed. [2019-11-19 21:22:02,175 INFO L440 ceAbstractionStarter]: At program point L750-4(lines 735 753) the Hoare annotation is: false [2019-11-19 21:22:02,175 INFO L440 ceAbstractionStarter]: At program point L750-5(lines 735 753) the Hoare annotation is: false [2019-11-19 21:22:02,175 INFO L444 ceAbstractionStarter]: For program point L850(lines 850 854) no Hoare annotation was computed. [2019-11-19 21:22:02,175 INFO L444 ceAbstractionStarter]: For program point L850-1(lines 584 590) no Hoare annotation was computed. [2019-11-19 21:22:02,175 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:22:02,175 INFO L444 ceAbstractionStarter]: For program point L917(lines 917 924) no Hoare annotation was computed. [2019-11-19 21:22:02,176 INFO L447 ceAbstractionStarter]: At program point L917-1(lines 917 924) the Hoare annotation is: true [2019-11-19 21:22:02,176 INFO L440 ceAbstractionStarter]: At program point L686(lines 679 689) the Hoare annotation is: false [2019-11-19 21:22:02,176 INFO L440 ceAbstractionStarter]: At program point L686-1(lines 679 689) the Hoare annotation is: false [2019-11-19 21:22:02,176 INFO L444 ceAbstractionStarter]: For program point L620(lines 620 628) no Hoare annotation was computed. [2019-11-19 21:22:02,176 INFO L440 ceAbstractionStarter]: At program point L686-2(lines 679 689) the Hoare annotation is: false [2019-11-19 21:22:02,176 INFO L444 ceAbstractionStarter]: For program point L620-1(lines 620 628) no Hoare annotation was computed. [2019-11-19 21:22:02,177 INFO L444 ceAbstractionStarter]: For program point L620-2(lines 620 628) no Hoare annotation was computed. [2019-11-19 21:22:02,178 INFO L444 ceAbstractionStarter]: For program point L620-3(lines 620 628) no Hoare annotation was computed. [2019-11-19 21:22:02,178 INFO L444 ceAbstractionStarter]: For program point L620-4(lines 620 628) no Hoare annotation was computed. [2019-11-19 21:22:02,178 INFO L444 ceAbstractionStarter]: For program point L620-5(lines 620 628) no Hoare annotation was computed. [2019-11-19 21:22:02,178 INFO L440 ceAbstractionStarter]: At program point L456(lines 451 459) the Hoare annotation is: false [2019-11-19 21:22:02,179 INFO L440 ceAbstractionStarter]: At program point L456-1(lines 451 459) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:02,179 INFO L440 ceAbstractionStarter]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2019-11-19 21:22:02,179 INFO L440 ceAbstractionStarter]: At program point L456-3(lines 451 459) the Hoare annotation is: false [2019-11-19 21:22:02,179 INFO L440 ceAbstractionStarter]: At program point L456-4(lines 451 459) the Hoare annotation is: false [2019-11-19 21:22:02,179 INFO L440 ceAbstractionStarter]: At program point L456-5(lines 451 459) the Hoare annotation is: false [2019-11-19 21:22:02,179 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:22:02,180 INFO L440 ceAbstractionStarter]: At program point L822(lines 1 938) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-19 21:22:02,180 INFO L440 ceAbstractionStarter]: At program point L591(lines 591 597) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:02,183 INFO L440 ceAbstractionStarter]: At program point L591-1(lines 591 597) the Hoare annotation is: false [2019-11-19 21:22:02,183 INFO L444 ceAbstractionStarter]: For program point L525(lines 525 531) no Hoare annotation was computed. [2019-11-19 21:22:02,183 INFO L440 ceAbstractionStarter]: At program point L591-2(lines 591 597) the Hoare annotation is: false [2019-11-19 21:22:02,183 INFO L440 ceAbstractionStarter]: At program point L525-1(lines 525 531) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:02,183 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 764) no Hoare annotation was computed. [2019-11-19 21:22:02,184 INFO L440 ceAbstractionStarter]: At program point L758-1(lines 758 764) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:02,184 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:22:02,184 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2019-11-19 21:22:02,184 INFO L447 ceAbstractionStarter]: At program point L926(lines 907 929) the Hoare annotation is: true [2019-11-19 21:22:02,184 INFO L440 ceAbstractionStarter]: At program point L695(lines 690 698) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:02,185 INFO L440 ceAbstractionStarter]: At program point L695-1(lines 690 698) the Hoare annotation is: false [2019-11-19 21:22:02,185 INFO L440 ceAbstractionStarter]: At program point L695-2(lines 690 698) the Hoare annotation is: false [2019-11-19 21:22:02,185 INFO L440 ceAbstractionStarter]: At program point L563(lines 514 564) the Hoare annotation is: false [2019-11-19 21:22:02,185 INFO L440 ceAbstractionStarter]: At program point L497(lines 492 500) the Hoare annotation is: false [2019-11-19 21:22:02,185 INFO L440 ceAbstractionStarter]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2019-11-19 21:22:02,185 INFO L444 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-11-19 21:22:02,186 INFO L440 ceAbstractionStarter]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2019-11-19 21:22:02,192 INFO L440 ceAbstractionStarter]: At program point L497-3(lines 492 500) the Hoare annotation is: false [2019-11-19 21:22:02,193 INFO L440 ceAbstractionStarter]: At program point L497-4(lines 492 500) the Hoare annotation is: false [2019-11-19 21:22:02,193 INFO L440 ceAbstractionStarter]: At program point L497-5(lines 492 500) the Hoare annotation is: false [2019-11-19 21:22:02,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:22:02 BoogieIcfgContainer [2019-11-19 21:22:02,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:22:02,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:22:02,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:22:02,240 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:22:02,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:00" (3/4) ... [2019-11-19 21:22:02,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:22:02,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:22:02,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-19 21:22:02,284 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 21:22:02,285 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:22:02,286 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:22:02,287 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:22:02,342 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-11-19 21:22:02,342 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-11-19 21:22:02,347 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:22:02,451 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:22:02,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:22:02,454 INFO L168 Benchmark]: Toolchain (without parser) took 4102.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 955.0 MB in the beginning and 852.8 MB in the end (delta: 102.2 MB). Peak memory consumption was 211.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:02,455 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:22:02,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:02,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:02,456 INFO L168 Benchmark]: Boogie Preprocessor took 70.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:22:02,456 INFO L168 Benchmark]: RCFGBuilder took 989.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:02,456 INFO L168 Benchmark]: TraceAbstraction took 1991.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 866.4 MB in the end (delta: 150.5 MB). Peak memory consumption was 150.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:02,457 INFO L168 Benchmark]: Witness Printer took 212.55 ms. Allocated memory is still 1.1 GB. Free memory was 866.4 MB in the beginning and 852.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:02,459 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 734.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 989.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1991.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 866.4 MB in the end (delta: 150.5 MB). Peak memory consumption was 150.5 MB. Max. memory is 11.5 GB. * Witness Printer took 212.55 ms. Allocated memory is still 1.1 GB. Free memory was 866.4 MB in the beginning and 852.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 935]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 935]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 935]: 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: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 432 SDtfs, 610 SDslu, 653 SDs, 0 SdLazy, 82 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s 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, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 137 HoareAnnotationTreeSize, 44 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4976 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...