./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer --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 f0abcca86e101e0402ce9c7a98a1409292a39ee1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:30:22,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:30:22,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:30:22,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:30:22,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:30:22,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:30:22,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:30:22,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:30:22,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:30:22,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:30:22,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:30:22,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:30:22,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:30:22,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:30:22,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:30:22,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:30:22,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:30:22,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:30:22,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:30:22,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:30:22,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:30:22,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:30:22,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:30:22,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:30:22,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:30:22,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:30:22,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:30:22,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:30:22,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:30:22,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:30:22,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:30:22,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:30:22,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:30:22,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:30:22,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:30:22,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:30:22,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:30:22,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:30:22,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:30:22,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:30:22,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:30:22,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:30:22,282 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:30:22,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:30:22,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:30:22,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:30:22,284 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:30:22,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:30:22,285 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:30:22,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:30:22,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:30:22,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:30:22,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:30:22,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:30:22,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:30:22,287 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:30:22,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:30:22,287 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:30:22,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:30:22,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:30:22,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:30:22,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:30:22,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:30:22,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:30:22,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:30:22,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:30:22,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:30:22,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:30:22,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:30:22,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:30:22,291 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer 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 -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2019-11-20 10:30:22,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:30:22,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:30:22,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:30:22,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:30:22,482 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:30:22,483 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2019-11-20 10:30:22,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/data/b4cc9304a/65bef9b8f19946f78139cdec4f9b4898/FLAG437d562ad [2019-11-20 10:30:23,103 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:30:23,104 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2019-11-20 10:30:23,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/data/b4cc9304a/65bef9b8f19946f78139cdec4f9b4898/FLAG437d562ad [2019-11-20 10:30:23,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/data/b4cc9304a/65bef9b8f19946f78139cdec4f9b4898 [2019-11-20 10:30:23,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:30:23,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:30:23,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:30:23,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:30:23,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:30:23,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:23" (1/1) ... [2019-11-20 10:30:23,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26de5b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:23, skipping insertion in model container [2019-11-20 10:30:23,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:23" (1/1) ... [2019-11-20 10:30:23,430 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:30:23,489 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:30:23,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:30:24,016 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:30:24,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:30:24,151 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:30:24,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24 WrapperNode [2019-11-20 10:30:24,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:30:24,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:30:24,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:30:24,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:30:24,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24" (1/1) ... [2019-11-20 10:30:24,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24" (1/1) ... [2019-11-20 10:30:24,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:30:24,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:30:24,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:30:24,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:30:24,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24" (1/1) ... [2019-11-20 10:30:24,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24" (1/1) ... [2019-11-20 10:30:24,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24" (1/1) ... [2019-11-20 10:30:24,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24" (1/1) ... [2019-11-20 10:30:24,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24" (1/1) ... [2019-11-20 10:30:24,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24" (1/1) ... [2019-11-20 10:30:24,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24" (1/1) ... [2019-11-20 10:30:24,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:30:24,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:30:24,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:30:24,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:30:24,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/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 [2019-11-20 10:30:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:30:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 10:30:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:30:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:30:25,546 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:30:25,547 INFO L285 CfgBuilder]: Removed 200 assume(true) statements. [2019-11-20 10:30:25,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:25 BoogieIcfgContainer [2019-11-20 10:30:25,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:30:25,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:30:25,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:30:25,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:30:25,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:23" (1/3) ... [2019-11-20 10:30:25,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480cdfa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:25, skipping insertion in model container [2019-11-20 10:30:25,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:24" (2/3) ... [2019-11-20 10:30:25,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480cdfa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:25, skipping insertion in model container [2019-11-20 10:30:25,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:25" (3/3) ... [2019-11-20 10:30:25,557 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2019-11-20 10:30:25,568 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:30:25,576 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 10:30:25,589 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 10:30:25,628 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:30:25,628 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:30:25,628 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:30:25,629 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:30:25,629 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:30:25,630 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:30:25,630 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:30:25,630 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:30:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-20 10:30:25,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:30:25,683 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:25,684 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:25,684 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:25,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:25,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1179839814, now seen corresponding path program 1 times [2019-11-20 10:30:25,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:25,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488214941] [2019-11-20 10:30:25,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:25,981 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488214941] [2019-11-20 10:30:25,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:25,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:30:25,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108632337] [2019-11-20 10:30:25,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:30:25,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:26,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:30:26,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:30:26,007 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-20 10:30:26,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:26,047 INFO L93 Difference]: Finished difference Result 276 states and 413 transitions. [2019-11-20 10:30:26,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:30:26,049 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-20 10:30:26,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:26,063 INFO L225 Difference]: With dead ends: 276 [2019-11-20 10:30:26,063 INFO L226 Difference]: Without dead ends: 137 [2019-11-20 10:30:26,067 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 [2019-11-20 10:30:26,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-20 10:30:26,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-20 10:30:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-20 10:30:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2019-11-20 10:30:26,125 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2019-11-20 10:30:26,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:26,126 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2019-11-20 10:30:26,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:30:26,126 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2019-11-20 10:30:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 10:30:26,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:26,128 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:26,128 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:26,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:26,129 INFO L82 PathProgramCache]: Analyzing trace with hash -2090870567, now seen corresponding path program 1 times [2019-11-20 10:30:26,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:26,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360101697] [2019-11-20 10:30:26,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:26,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:26,300 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360101697] [2019-11-20 10:30:26,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:26,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:30:26,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334133586] [2019-11-20 10:30:26,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:30:26,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:26,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:30:26,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:30:26,304 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2019-11-20 10:30:26,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:26,334 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2019-11-20 10:30:26,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:30:26,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-20 10:30:26,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:26,338 INFO L225 Difference]: With dead ends: 137 [2019-11-20 10:30:26,338 INFO L226 Difference]: Without dead ends: 55 [2019-11-20 10:30:26,339 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 [2019-11-20 10:30:26,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-20 10:30:26,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-20 10:30:26,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 10:30:26,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-20 10:30:26,348 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-11-20 10:30:26,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:26,349 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-20 10:30:26,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:30:26,349 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-20 10:30:26,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 10:30:26,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:26,350 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] [2019-11-20 10:30:26,351 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:26,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:26,351 INFO L82 PathProgramCache]: Analyzing trace with hash -917137565, now seen corresponding path program 1 times [2019-11-20 10:30:26,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:26,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311536619] [2019-11-20 10:30:26,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:26,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:26,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311536619] [2019-11-20 10:30:26,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:26,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 10:30:26,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981934768] [2019-11-20 10:30:26,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:30:26,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:26,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:30:26,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:30:26,450 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2019-11-20 10:30:26,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:26,513 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2019-11-20 10:30:26,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:30:26,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 10:30:26,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:26,515 INFO L225 Difference]: With dead ends: 104 [2019-11-20 10:30:26,515 INFO L226 Difference]: Without dead ends: 55 [2019-11-20 10:30:26,516 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:30:26,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-20 10:30:26,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-20 10:30:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 10:30:26,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-20 10:30:26,525 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2019-11-20 10:30:26,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:26,525 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-20 10:30:26,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:30:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-20 10:30:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 10:30:26,527 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:26,527 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, 1] [2019-11-20 10:30:26,527 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:26,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:26,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1642774406, now seen corresponding path program 1 times [2019-11-20 10:30:26,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:26,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43260606] [2019-11-20 10:30:26,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:26,603 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43260606] [2019-11-20 10:30:26,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:26,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:30:26,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931406223] [2019-11-20 10:30:26,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:30:26,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:26,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:30:26,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:30:26,605 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-20 10:30:26,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:26,646 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2019-11-20 10:30:26,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:30:26,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 10:30:26,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:26,648 INFO L225 Difference]: With dead ends: 127 [2019-11-20 10:30:26,649 INFO L226 Difference]: Without dead ends: 78 [2019-11-20 10:30:26,649 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:30:26,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-11-20 10:30:26,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2019-11-20 10:30:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-20 10:30:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2019-11-20 10:30:26,660 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2019-11-20 10:30:26,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:26,661 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2019-11-20 10:30:26,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:30:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-11-20 10:30:26,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 10:30:26,662 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:26,663 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:26,663 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:26,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:26,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1904097010, now seen corresponding path program 1 times [2019-11-20 10:30:26,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:26,664 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821415359] [2019-11-20 10:30:26,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:26,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821415359] [2019-11-20 10:30:26,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:26,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:30:26,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958446507] [2019-11-20 10:30:26,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:30:26,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:26,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:30:26,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:30:26,822 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2019-11-20 10:30:27,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:27,014 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2019-11-20 10:30:27,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:30:27,015 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-20 10:30:27,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:27,020 INFO L225 Difference]: With dead ends: 381 [2019-11-20 10:30:27,021 INFO L226 Difference]: Without dead ends: 311 [2019-11-20 10:30:27,025 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:30:27,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-11-20 10:30:27,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2019-11-20 10:30:27,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-20 10:30:27,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2019-11-20 10:30:27,073 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2019-11-20 10:30:27,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:27,074 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2019-11-20 10:30:27,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:30:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2019-11-20 10:30:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 10:30:27,078 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:27,078 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:27,079 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:27,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:27,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1319823756, now seen corresponding path program 1 times [2019-11-20 10:30:27,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:27,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724342223] [2019-11-20 10:30:27,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:27,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724342223] [2019-11-20 10:30:27,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:27,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 10:30:27,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496810578] [2019-11-20 10:30:27,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:30:27,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:27,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:30:27,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:30:27,201 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 5 states. [2019-11-20 10:30:27,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:27,442 INFO L93 Difference]: Finished difference Result 561 states and 803 transitions. [2019-11-20 10:30:27,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:30:27,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-20 10:30:27,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:27,448 INFO L225 Difference]: With dead ends: 561 [2019-11-20 10:30:27,448 INFO L226 Difference]: Without dead ends: 491 [2019-11-20 10:30:27,450 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:30:27,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-11-20 10:30:27,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 185. [2019-11-20 10:30:27,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-20 10:30:27,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 256 transitions. [2019-11-20 10:30:27,508 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 256 transitions. Word has length 33 [2019-11-20 10:30:27,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:27,511 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 256 transitions. [2019-11-20 10:30:27,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:30:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 256 transitions. [2019-11-20 10:30:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 10:30:27,520 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:27,521 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:27,526 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:27,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:27,527 INFO L82 PathProgramCache]: Analyzing trace with hash 308706506, now seen corresponding path program 1 times [2019-11-20 10:30:27,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:27,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202112144] [2019-11-20 10:30:27,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:27,603 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202112144] [2019-11-20 10:30:27,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:27,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:30:27,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56809556] [2019-11-20 10:30:27,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:30:27,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:27,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:30:27,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:30:27,605 INFO L87 Difference]: Start difference. First operand 185 states and 256 transitions. Second operand 4 states. [2019-11-20 10:30:27,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:27,700 INFO L93 Difference]: Finished difference Result 569 states and 796 transitions. [2019-11-20 10:30:27,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:30:27,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-20 10:30:27,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:27,705 INFO L225 Difference]: With dead ends: 569 [2019-11-20 10:30:27,707 INFO L226 Difference]: Without dead ends: 435 [2019-11-20 10:30:27,710 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:30:27,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-11-20 10:30:27,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 185. [2019-11-20 10:30:27,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-11-20 10:30:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 254 transitions. [2019-11-20 10:30:27,743 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 254 transitions. Word has length 33 [2019-11-20 10:30:27,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:27,743 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 254 transitions. [2019-11-20 10:30:27,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:30:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 254 transitions. [2019-11-20 10:30:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 10:30:27,747 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:27,747 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:27,748 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:27,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:27,748 INFO L82 PathProgramCache]: Analyzing trace with hash 566871944, now seen corresponding path program 1 times [2019-11-20 10:30:27,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:27,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509973177] [2019-11-20 10:30:27,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:27,842 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509973177] [2019-11-20 10:30:27,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:27,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 10:30:27,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307030449] [2019-11-20 10:30:27,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 10:30:27,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:27,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 10:30:27,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:30:27,844 INFO L87 Difference]: Start difference. First operand 185 states and 254 transitions. Second operand 7 states. [2019-11-20 10:30:28,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:28,070 INFO L93 Difference]: Finished difference Result 710 states and 987 transitions. [2019-11-20 10:30:28,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 10:30:28,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-20 10:30:28,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:28,076 INFO L225 Difference]: With dead ends: 710 [2019-11-20 10:30:28,076 INFO L226 Difference]: Without dead ends: 531 [2019-11-20 10:30:28,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-20 10:30:28,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2019-11-20 10:30:28,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 194. [2019-11-20 10:30:28,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-11-20 10:30:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 261 transitions. [2019-11-20 10:30:28,152 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 261 transitions. Word has length 33 [2019-11-20 10:30:28,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:28,153 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 261 transitions. [2019-11-20 10:30:28,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 10:30:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 261 transitions. [2019-11-20 10:30:28,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 10:30:28,154 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:28,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:28,155 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:28,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:28,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1083058712, now seen corresponding path program 1 times [2019-11-20 10:30:28,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:28,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849827531] [2019-11-20 10:30:28,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:28,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:28,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849827531] [2019-11-20 10:30:28,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:28,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 10:30:28,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975081200] [2019-11-20 10:30:28,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:30:28,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:28,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:30:28,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:30:28,250 INFO L87 Difference]: Start difference. First operand 194 states and 261 transitions. Second operand 6 states. [2019-11-20 10:30:28,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:28,641 INFO L93 Difference]: Finished difference Result 1521 states and 2031 transitions. [2019-11-20 10:30:28,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-20 10:30:28,642 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-11-20 10:30:28,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:28,652 INFO L225 Difference]: With dead ends: 1521 [2019-11-20 10:30:28,652 INFO L226 Difference]: Without dead ends: 1333 [2019-11-20 10:30:28,654 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-20 10:30:28,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2019-11-20 10:30:28,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 380. [2019-11-20 10:30:28,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2019-11-20 10:30:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 504 transitions. [2019-11-20 10:30:28,720 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 504 transitions. Word has length 36 [2019-11-20 10:30:28,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:28,722 INFO L462 AbstractCegarLoop]: Abstraction has 380 states and 504 transitions. [2019-11-20 10:30:28,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:30:28,723 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 504 transitions. [2019-11-20 10:30:28,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 10:30:28,725 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:28,725 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:28,725 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:28,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:28,726 INFO L82 PathProgramCache]: Analyzing trace with hash -403000342, now seen corresponding path program 1 times [2019-11-20 10:30:28,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:28,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923258573] [2019-11-20 10:30:28,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:28,803 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923258573] [2019-11-20 10:30:28,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:28,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 10:30:28,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30378659] [2019-11-20 10:30:28,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:30:28,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:28,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:30:28,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:30:28,805 INFO L87 Difference]: Start difference. First operand 380 states and 504 transitions. Second operand 5 states. [2019-11-20 10:30:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:29,058 INFO L93 Difference]: Finished difference Result 1004 states and 1359 transitions. [2019-11-20 10:30:29,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:30:29,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-20 10:30:29,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:29,063 INFO L225 Difference]: With dead ends: 1004 [2019-11-20 10:30:29,064 INFO L226 Difference]: Without dead ends: 630 [2019-11-20 10:30:29,065 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:30:29,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2019-11-20 10:30:29,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 338. [2019-11-20 10:30:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-11-20 10:30:29,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 438 transitions. [2019-11-20 10:30:29,123 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 438 transitions. Word has length 36 [2019-11-20 10:30:29,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:29,124 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 438 transitions. [2019-11-20 10:30:29,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:30:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 438 transitions. [2019-11-20 10:30:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 10:30:29,126 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:29,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:29,127 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:29,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:29,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1138138450, now seen corresponding path program 1 times [2019-11-20 10:30:29,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:29,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497315766] [2019-11-20 10:30:29,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:29,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:29,215 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497315766] [2019-11-20 10:30:29,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:29,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 10:30:29,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580286970] [2019-11-20 10:30:29,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 10:30:29,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:29,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 10:30:29,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:30:29,217 INFO L87 Difference]: Start difference. First operand 338 states and 438 transitions. Second operand 7 states. [2019-11-20 10:30:29,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:29,552 INFO L93 Difference]: Finished difference Result 1049 states and 1355 transitions. [2019-11-20 10:30:29,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 10:30:29,553 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2019-11-20 10:30:29,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:29,558 INFO L225 Difference]: With dead ends: 1049 [2019-11-20 10:30:29,558 INFO L226 Difference]: Without dead ends: 717 [2019-11-20 10:30:29,560 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2019-11-20 10:30:29,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2019-11-20 10:30:29,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 322. [2019-11-20 10:30:29,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-11-20 10:30:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 407 transitions. [2019-11-20 10:30:29,610 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 407 transitions. Word has length 37 [2019-11-20 10:30:29,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:29,610 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 407 transitions. [2019-11-20 10:30:29,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 10:30:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 407 transitions. [2019-11-20 10:30:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 10:30:29,612 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:29,612 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:29,613 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:29,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:29,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1478001787, now seen corresponding path program 1 times [2019-11-20 10:30:29,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:29,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719735716] [2019-11-20 10:30:29,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:30:29,688 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719735716] [2019-11-20 10:30:29,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:29,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 10:30:29,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886527394] [2019-11-20 10:30:29,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:30:29,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:29,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:30:29,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:30:29,690 INFO L87 Difference]: Start difference. First operand 322 states and 407 transitions. Second operand 5 states. [2019-11-20 10:30:29,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:29,847 INFO L93 Difference]: Finished difference Result 838 states and 1060 transitions. [2019-11-20 10:30:29,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 10:30:29,848 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-11-20 10:30:29,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:29,852 INFO L225 Difference]: With dead ends: 838 [2019-11-20 10:30:29,852 INFO L226 Difference]: Without dead ends: 522 [2019-11-20 10:30:29,853 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:30:29,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-11-20 10:30:29,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 322. [2019-11-20 10:30:29,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-11-20 10:30:29,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 401 transitions. [2019-11-20 10:30:29,907 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 401 transitions. Word has length 56 [2019-11-20 10:30:29,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:29,908 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 401 transitions. [2019-11-20 10:30:29,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:30:29,908 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 401 transitions. [2019-11-20 10:30:29,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:30:29,910 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:29,910 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:29,910 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:29,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:29,911 INFO L82 PathProgramCache]: Analyzing trace with hash 458072168, now seen corresponding path program 1 times [2019-11-20 10:30:29,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:29,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962630983] [2019-11-20 10:30:29,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:30:29,983 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962630983] [2019-11-20 10:30:29,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:30:29,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 10:30:29,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527521372] [2019-11-20 10:30:29,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 10:30:29,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:29,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:30:29,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:30:29,986 INFO L87 Difference]: Start difference. First operand 322 states and 401 transitions. Second operand 5 states. [2019-11-20 10:30:30,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:30,125 INFO L93 Difference]: Finished difference Result 714 states and 901 transitions. [2019-11-20 10:30:30,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 10:30:30,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-20 10:30:30,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:30,129 INFO L225 Difference]: With dead ends: 714 [2019-11-20 10:30:30,130 INFO L226 Difference]: Without dead ends: 490 [2019-11-20 10:30:30,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 10:30:30,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-11-20 10:30:30,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 334. [2019-11-20 10:30:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-11-20 10:30:30,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 413 transitions. [2019-11-20 10:30:30,201 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 413 transitions. Word has length 58 [2019-11-20 10:30:30,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:30,201 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 413 transitions. [2019-11-20 10:30:30,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 10:30:30,202 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 413 transitions. [2019-11-20 10:30:30,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 10:30:30,203 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:30:30,203 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:30:30,204 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:30:30,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:30:30,204 INFO L82 PathProgramCache]: Analyzing trace with hash 716237606, now seen corresponding path program 1 times [2019-11-20 10:30:30,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:30:30,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238523750] [2019-11-20 10:30:30,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:30:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:30:30,328 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238523750] [2019-11-20 10:30:30,329 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861281392] [2019-11-20 10:30:30,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:30:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:30:30,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 10:30:30,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:30:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:30:30,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 10:30:30,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2019-11-20 10:30:30,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873706042] [2019-11-20 10:30:30,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 10:30:30,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:30:30,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 10:30:30,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:30:30,549 INFO L87 Difference]: Start difference. First operand 334 states and 413 transitions. Second operand 6 states. [2019-11-20 10:30:30,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:30:30,852 INFO L93 Difference]: Finished difference Result 1182 states and 1488 transitions. [2019-11-20 10:30:30,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 10:30:30,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-20 10:30:30,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:30:30,854 INFO L225 Difference]: With dead ends: 1182 [2019-11-20 10:30:30,854 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:30:30,856 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-20 10:30:30,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:30:30,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:30:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:30:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:30:30,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-20 10:30:30,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:30:30,858 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:30:30,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 10:30:30,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:30:30,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:30:31,063 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:30:31,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:30:31,513 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 180 [2019-11-20 10:30:32,933 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 371 DAG size of output: 313 [2019-11-20 10:30:33,153 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2019-11-20 10:30:34,136 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 271 [2019-11-20 10:30:34,275 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 116 [2019-11-20 10:30:35,111 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 300 [2019-11-20 10:30:35,514 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 201 [2019-11-20 10:30:35,666 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 142 [2019-11-20 10:30:36,244 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 300 [2019-11-20 10:30:36,450 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 141 [2019-11-20 10:30:36,740 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 211 [2019-11-20 10:30:37,039 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 205 [2019-11-20 10:30:38,283 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 173 DAG size of output: 40 [2019-11-20 10:30:41,580 WARN L191 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 310 DAG size of output: 32 [2019-11-20 10:30:42,117 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 21 [2019-11-20 10:30:43,956 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 270 DAG size of output: 26 [2019-11-20 10:30:44,521 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 46 [2019-11-20 10:30:46,632 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 295 DAG size of output: 26 [2019-11-20 10:30:48,019 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 199 DAG size of output: 32 [2019-11-20 10:30:48,712 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 26 [2019-11-20 10:30:50,967 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 295 DAG size of output: 26 [2019-11-20 10:30:51,491 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 21 [2019-11-20 10:30:52,491 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 39 [2019-11-20 10:30:53,042 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 50 [2019-11-20 10:30:54,033 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 53 [2019-11-20 10:30:54,218 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 33 [2019-11-20 10:30:54,240 INFO L444 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-11-20 10:30:54,240 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-20 10:30:54,242 INFO L440 ceAbstractionStarter]: At program point L729-1(lines 729 735) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (and (= ~pumpRunning~0 1) (and (and .cse0 .cse1 .cse2 .cse3) (= 0 ULTIMATE.start_activatePump_~tmp~8))) .cse4) (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) .cse4))) [2019-11-20 10:30:54,242 INFO L440 ceAbstractionStarter]: At program point L895(lines 888 898) the Hoare annotation is: false [2019-11-20 10:30:54,243 INFO L440 ceAbstractionStarter]: At program point L895-1(lines 888 898) the Hoare annotation is: (let ((.cse9 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse13 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse14 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse16 (not (= 0 ~systemActive~0))) (.cse17 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 0)))) (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse10 (and (and .cse13 .cse14 (<= ~waterLevel~0 1) .cse15 .cse16 .cse17) .cse7)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse5 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse11 (not .cse4)) (.cse6 (and .cse13 .cse14 .cse15 .cse16 .cse17)) (.cse8 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse12 (not .cse9))) (or (and .cse0 (and (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9)) (and (and .cse3 .cse4 .cse10) .cse9) (and .cse11 .cse10 .cse12) (and .cse0 (and .cse1 .cse2 .cse5 .cse11 .cse6 .cse7 .cse8 .cse12))))) [2019-11-20 10:30:54,243 INFO L440 ceAbstractionStarter]: At program point L895-2(lines 888 898) the Hoare annotation is: false [2019-11-20 10:30:54,243 INFO L440 ceAbstractionStarter]: At program point L895-3(lines 888 898) the Hoare annotation is: false [2019-11-20 10:30:54,243 INFO L440 ceAbstractionStarter]: At program point L895-4(lines 888 898) the Hoare annotation is: false [2019-11-20 10:30:54,243 INFO L440 ceAbstractionStarter]: At program point L895-5(lines 888 898) the Hoare annotation is: false [2019-11-20 10:30:54,243 INFO L440 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 10:30:54,243 INFO L444 ceAbstractionStarter]: For program point L566(lines 566 570) no Hoare annotation was computed. [2019-11-20 10:30:54,244 INFO L444 ceAbstractionStarter]: For program point L566-3(lines 566 570) no Hoare annotation was computed. [2019-11-20 10:30:54,244 INFO L444 ceAbstractionStarter]: For program point L566-6(lines 566 570) no Hoare annotation was computed. [2019-11-20 10:30:54,244 INFO L447 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-11-20 10:30:54,244 INFO L444 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-11-20 10:30:54,244 INFO L444 ceAbstractionStarter]: For program point L833-1(lines 833 850) no Hoare annotation was computed. [2019-11-20 10:30:54,244 INFO L444 ceAbstractionStarter]: For program point L833-2(lines 833 850) no Hoare annotation was computed. [2019-11-20 10:30:54,244 INFO L440 ceAbstractionStarter]: At program point L635(lines 630 638) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (and .cse1 .cse2 (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) .cse3 .cse4) .cse5 .cse6) (<= ~waterLevel~0 2)) (and .cse1 .cse2 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse5 .cse6 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0) .cse3 .cse4))) [2019-11-20 10:30:54,244 INFO L440 ceAbstractionStarter]: At program point L635-1(lines 630 638) the Hoare annotation is: false [2019-11-20 10:30:54,244 INFO L440 ceAbstractionStarter]: At program point L635-2(lines 630 638) the Hoare annotation is: false [2019-11-20 10:30:54,244 INFO L440 ceAbstractionStarter]: At program point L603(lines 598 606) the Hoare annotation is: false [2019-11-20 10:30:54,244 INFO L440 ceAbstractionStarter]: At program point L603-1(lines 598 606) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse13 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse15 (not (= 0 ~systemActive~0))) (.cse16 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 0)))) (let ((.cse0 (and (and .cse12 .cse13 (<= ~waterLevel~0 1) .cse14 .cse15 .cse16) .cse10)) (.cse3 (not .cse1)) (.cse4 (not .cse2)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse8 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse9 (and .cse12 .cse13 .cse14 .cse15 .cse16)) (.cse11 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4) (and .cse5 (and .cse6 .cse7 .cse8 .cse3 .cse9 .cse10 .cse11 .cse4)) (and .cse5 (and .cse6 .cse7 .cse1 .cse8 .cse9 .cse2 .cse10 .cse11))))) [2019-11-20 10:30:54,245 INFO L440 ceAbstractionStarter]: At program point L603-2(lines 598 606) the Hoare annotation is: (let ((.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse10 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse11 (not (= 0 ~systemActive~0))) (.cse12 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse10 .cse9 .cse11 .cse12)) (.cse2 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse3 (= ~pumpRunning~0 1)) (.cse8 (and .cse10 (= ~pumpRunning~0 0) .cse11 .cse12)) (.cse0 (not .cse6)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (not .cse7))) (or (and (and .cse0 (and (and .cse1 .cse2) .cse3) .cse4) .cse5) (and .cse5 (and (and .cse6 .cse1 .cse7 .cse2) .cse3)) (and (<= ~waterLevel~0 1) (and .cse6 .cse7 (and .cse8 .cse9))) (and .cse8 .cse0 .cse9 .cse5 .cse4)))) [2019-11-20 10:30:54,245 INFO L440 ceAbstractionStarter]: At program point L603-3(lines 598 606) the Hoare annotation is: false [2019-11-20 10:30:54,245 INFO L440 ceAbstractionStarter]: At program point L603-4(lines 598 606) the Hoare annotation is: false [2019-11-20 10:30:54,245 INFO L440 ceAbstractionStarter]: At program point L603-5(lines 598 606) the Hoare annotation is: false [2019-11-20 10:30:54,245 INFO L440 ceAbstractionStarter]: At program point L603-6(lines 598 606) the Hoare annotation is: false [2019-11-20 10:30:54,245 INFO L440 ceAbstractionStarter]: At program point L603-7(lines 598 606) the Hoare annotation is: false [2019-11-20 10:30:54,245 INFO L440 ceAbstractionStarter]: At program point L603-8(lines 598 606) the Hoare annotation is: false [2019-11-20 10:30:54,245 INFO L440 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 10:30:54,245 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-20 10:30:54,245 INFO L444 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2019-11-20 10:30:54,245 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2019-11-20 10:30:54,246 INFO L444 ceAbstractionStarter]: For program point L870-2(lines 870 876) no Hoare annotation was computed. [2019-11-20 10:30:54,246 INFO L444 ceAbstractionStarter]: For program point L837-1(lines 837 845) no Hoare annotation was computed. [2019-11-20 10:30:54,246 INFO L444 ceAbstractionStarter]: For program point L837-2(lines 837 845) no Hoare annotation was computed. [2019-11-20 10:30:54,246 INFO L444 ceAbstractionStarter]: For program point L870-4(lines 870 876) no Hoare annotation was computed. [2019-11-20 10:30:54,246 INFO L444 ceAbstractionStarter]: For program point L870-6(lines 870 876) no Hoare annotation was computed. [2019-11-20 10:30:54,246 INFO L444 ceAbstractionStarter]: For program point L870-8(lines 870 876) no Hoare annotation was computed. [2019-11-20 10:30:54,246 INFO L444 ceAbstractionStarter]: For program point L870-10(lines 870 876) no Hoare annotation was computed. [2019-11-20 10:30:54,246 INFO L440 ceAbstractionStarter]: At program point L904(lines 899 907) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ULTIMATE.start_main_~tmp~0) (<= ~waterLevel~0 2) (= 0 ULTIMATE.start_activatePump_~tmp~8) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:30:54,246 INFO L440 ceAbstractionStarter]: At program point L904-1(lines 899 907) the Hoare annotation is: false [2019-11-20 10:30:54,246 INFO L440 ceAbstractionStarter]: At program point L904-2(lines 899 907) the Hoare annotation is: false [2019-11-20 10:30:54,246 INFO L444 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2019-11-20 10:30:54,246 INFO L444 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2019-11-20 10:30:54,246 INFO L444 ceAbstractionStarter]: For program point L673-2(lines 673 693) no Hoare annotation was computed. [2019-11-20 10:30:54,246 INFO L444 ceAbstractionStarter]: For program point L673-4(lines 673 693) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L972-3(lines 972 976) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L972-5(lines 972 976) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L972-6(lines 972 976) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L807-3(lines 807 824) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L972-8(lines 972 976) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L807-4(lines 807 824) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L807-5(lines 807 824) no Hoare annotation was computed. [2019-11-20 10:30:54,247 INFO L440 ceAbstractionStarter]: At program point L775(lines 774 793) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (= 0 ULTIMATE.start_activatePump_~tmp~8) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3)) (= ~pumpRunning~0 1)) (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (<= ~waterLevel~0 2)))) [2019-11-20 10:30:54,247 INFO L444 ceAbstractionStarter]: For program point L775-1(lines 775 781) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L440 ceAbstractionStarter]: At program point L775-2(lines 774 793) the Hoare annotation is: false [2019-11-20 10:30:54,248 INFO L440 ceAbstractionStarter]: At program point L775-3(lines 774 793) the Hoare annotation is: false [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L643-1(lines 643 649) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L643-2(lines 643 649) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L643-3(lines 643 649) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L643-4(lines 643 649) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L643-5(lines 643 649) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2019-11-20 10:30:54,248 INFO L444 ceAbstractionStarter]: For program point L811-3(lines 811 819) no Hoare annotation was computed. [2019-11-20 10:30:54,249 INFO L444 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2019-11-20 10:30:54,249 INFO L444 ceAbstractionStarter]: For program point L811-4(lines 811 819) no Hoare annotation was computed. [2019-11-20 10:30:54,249 INFO L440 ceAbstractionStarter]: At program point L679-1(lines 1 989) the Hoare annotation is: (let ((.cse11 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse14 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse10 (and .cse1 .cse5 .cse3 .cse4)) (.cse12 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse13 (= ~pumpRunning~0 1)) (.cse6 (not .cse0)) (.cse8 (not .cse14)) (.cse9 (not .cse11)) (.cse7 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (and (and .cse1 (= 1 ~waterLevel~0) .cse2 .cse3 .cse4) .cse5)) (and (and .cse1 .cse2 .cse3 .cse4) .cse6 .cse5 .cse7 .cse8 .cse9) (and .cse7 (and (and (and .cse0 .cse10 .cse11 .cse12) .cse13) .cse14)) (and (and (and (and .cse10 .cse12) .cse13) .cse6 .cse8 .cse9) .cse7) (and (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1) .cse14 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse11 (and .cse0 (and (and .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) .cse5)))))) [2019-11-20 10:30:54,249 INFO L444 ceAbstractionStarter]: For program point L811-5(lines 811 819) no Hoare annotation was computed. [2019-11-20 10:30:54,249 INFO L444 ceAbstractionStarter]: For program point L679-2(lines 679 692) no Hoare annotation was computed. [2019-11-20 10:30:54,249 INFO L440 ceAbstractionStarter]: At program point L679-3(lines 1 989) the Hoare annotation is: false [2019-11-20 10:30:54,249 INFO L444 ceAbstractionStarter]: For program point L679-4(lines 679 692) no Hoare annotation was computed. [2019-11-20 10:30:54,249 INFO L440 ceAbstractionStarter]: At program point L679-5(lines 1 989) the Hoare annotation is: false [2019-11-20 10:30:54,249 INFO L440 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-20 10:30:54,249 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:30:54,249 INFO L444 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-20 10:30:54,250 INFO L440 ceAbstractionStarter]: At program point L978(lines 963 981) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:30:54,250 INFO L440 ceAbstractionStarter]: At program point L978-1(lines 963 981) the Hoare annotation is: false [2019-11-20 10:30:54,250 INFO L440 ceAbstractionStarter]: At program point L978-2(lines 963 981) the Hoare annotation is: false [2019-11-20 10:30:54,250 INFO L444 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-11-20 10:30:54,250 INFO L440 ceAbstractionStarter]: At program point L747-2(lines 775 781) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (and (= ~pumpRunning~0 1) (and (and .cse0 .cse1 .cse2 .cse3) (= 0 ULTIMATE.start_activatePump_~tmp~8))) .cse4) (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) .cse4))) [2019-11-20 10:30:54,250 INFO L440 ceAbstractionStarter]: At program point L648(lines 639 652) the Hoare annotation is: false [2019-11-20 10:30:54,250 INFO L440 ceAbstractionStarter]: At program point L648-1(lines 639 652) the Hoare annotation is: (let ((.cse0 (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= ~waterLevel~0 2) (and (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0) .cse1)) (and (<= ~waterLevel~0 1) (and .cse0 .cse1)))) [2019-11-20 10:30:54,251 INFO L440 ceAbstractionStarter]: At program point L648-2(lines 639 652) the Hoare annotation is: false [2019-11-20 10:30:54,251 INFO L444 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-11-20 10:30:54,251 INFO L440 ceAbstractionStarter]: At program point L648-3(lines 639 652) the Hoare annotation is: false [2019-11-20 10:30:54,251 INFO L444 ceAbstractionStarter]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-11-20 10:30:54,251 INFO L440 ceAbstractionStarter]: At program point L648-4(lines 639 652) the Hoare annotation is: false [2019-11-20 10:30:54,251 INFO L440 ceAbstractionStarter]: At program point L648-5(lines 639 652) the Hoare annotation is: false [2019-11-20 10:30:54,251 INFO L444 ceAbstractionStarter]: For program point L549-2(line 549) no Hoare annotation was computed. [2019-11-20 10:30:54,252 INFO L440 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and (and (and (= 0 ULTIMATE.start_activatePump_~tmp~8) (and .cse0 .cse1 .cse3 .cse4)) (= ~pumpRunning~0 1)) .cse5) (and .cse5 (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 ~methaneLevelCritical~0)))))) [2019-11-20 10:30:54,252 INFO L440 ceAbstractionStarter]: At program point L782-1(lines 782 788) the Hoare annotation is: false [2019-11-20 10:30:54,252 INFO L440 ceAbstractionStarter]: At program point L782-2(lines 782 788) the Hoare annotation is: false [2019-11-20 10:30:54,252 INFO L444 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2019-11-20 10:30:54,252 INFO L444 ceAbstractionStarter]: For program point L683-2(lines 683 689) no Hoare annotation was computed. [2019-11-20 10:30:54,252 INFO L444 ceAbstractionStarter]: For program point L683-4(lines 683 689) no Hoare annotation was computed. [2019-11-20 10:30:54,252 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-20 10:30:54,252 INFO L444 ceAbstractionStarter]: For program point L56-1(lines 775 781) no Hoare annotation was computed. [2019-11-20 10:30:54,253 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:30:54,253 INFO L444 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-11-20 10:30:54,253 INFO L440 ceAbstractionStarter]: At program point L719-1(lines 719 725) the Hoare annotation is: (let ((.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (.cse10 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse11 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse12 (not (= 0 ~systemActive~0))) (.cse13 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (and .cse10 .cse11 .cse12 .cse13)) (.cse4 (= 0 ULTIMATE.start_activatePump_~tmp~8)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (and .cse10 .cse11 (= ~pumpRunning~0 0) .cse12 .cse13)) (.cse8 (not .cse0)) (.cse9 (not .cse1))) (or (and (and .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5)) .cse6) (and .cse2 .cse6 .cse7) (and (and (not .cse2) (and .cse3 .cse4 .cse5) .cse8 .cse9) .cse6) (and .cse6 .cse7 .cse8 .cse9)))) [2019-11-20 10:30:54,253 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:30:54,253 INFO L444 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,254 INFO L444 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,254 INFO L444 ceAbstractionStarter]: For program point L953-3(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,254 INFO L444 ceAbstractionStarter]: For program point L953-5(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,254 INFO L444 ceAbstractionStarter]: For program point L953-6(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,254 INFO L444 ceAbstractionStarter]: For program point L953-8(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,255 INFO L444 ceAbstractionStarter]: For program point L953-9(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,255 INFO L444 ceAbstractionStarter]: For program point L590(lines 590 594) no Hoare annotation was computed. [2019-11-20 10:30:54,255 INFO L444 ceAbstractionStarter]: For program point L953-11(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,255 INFO L444 ceAbstractionStarter]: For program point L953-12(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,255 INFO L444 ceAbstractionStarter]: For program point L953-14(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,255 INFO L444 ceAbstractionStarter]: For program point L953-15(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,256 INFO L444 ceAbstractionStarter]: For program point L953-17(lines 953 957) no Hoare annotation was computed. [2019-11-20 10:30:54,256 INFO L440 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: false [2019-11-20 10:30:54,256 INFO L440 ceAbstractionStarter]: At program point L658(lines 653 661) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= 0 ULTIMATE.start_activatePump_~tmp~8) (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 10:30:54,256 INFO L440 ceAbstractionStarter]: At program point L658-1(lines 653 661) the Hoare annotation is: false [2019-11-20 10:30:54,257 INFO L440 ceAbstractionStarter]: At program point L658-2(lines 653 661) the Hoare annotation is: false [2019-11-20 10:30:54,257 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-20 10:30:54,257 INFO L447 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-20 10:30:54,257 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:30:54,257 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-11-20 10:30:54,258 INFO L440 ceAbstractionStarter]: At program point L166(lines 1 989) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-20 10:30:54,258 INFO L440 ceAbstractionStarter]: At program point L959(lines 944 962) the Hoare annotation is: false [2019-11-20 10:30:54,258 INFO L440 ceAbstractionStarter]: At program point L959-1(lines 944 962) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= ~waterLevel~0 2) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)))) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4))) [2019-11-20 10:30:54,258 INFO L440 ceAbstractionStarter]: At program point L959-2(lines 944 962) the Hoare annotation is: false [2019-11-20 10:30:54,259 INFO L440 ceAbstractionStarter]: At program point L959-3(lines 944 962) the Hoare annotation is: false [2019-11-20 10:30:54,259 INFO L440 ceAbstractionStarter]: At program point L959-4(lines 944 962) the Hoare annotation is: false [2019-11-20 10:30:54,259 INFO L440 ceAbstractionStarter]: At program point L959-5(lines 944 962) the Hoare annotation is: false [2019-11-20 10:30:54,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:30:54 BoogieIcfgContainer [2019-11-20 10:30:54,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:30:54,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:30:54,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:30:54,307 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:30:54,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:25" (3/4) ... [2019-11-20 10:30:54,312 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:30:54,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 10:30:54,343 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 10:30:54,345 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 10:30:54,346 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 10:30:54,348 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:30:54,350 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:30:54,384 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-20 10:30:54,385 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-11-20 10:30:54,385 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && ((((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || ((((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && !(0 == \result))) || (waterLevel <= 2 && ((((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1) && 0 == tmp)) || (((((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || ((((tmp___0 <= 1 && 0 == tmp) && \result <= 1) && 0 == \result) && 0 == methaneLevelCritical && ((((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) [2019-11-20 10:30:54,386 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == tmp && 0 == \result) && ((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && waterLevel <= 2) || ((0 == methaneLevelCritical && waterLevel <= 2) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || (((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp)) && !(0 == \result)) [2019-11-20 10:30:54,386 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 10:30:54,387 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 10:30:54,387 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == tmp && (((\result == 1 && 1 == tmp) && waterLevel <= 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 10:30:54,388 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((0 == tmp && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && waterLevel <= 2)) || (waterLevel <= 2 && ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) [2019-11-20 10:30:54,389 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == \result)) && waterLevel <= 2) || (waterLevel <= 2 && (((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1)) || (waterLevel <= 1 && (0 == methaneLevelCritical && 0 == \result) && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp)) || (((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == \result)) [2019-11-20 10:30:54,390 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 10:30:54,391 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (\result == 0 && ((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || (waterLevel <= 1 && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) [2019-11-20 10:30:54,391 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == tmp && ((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 == tmp) && waterLevel <= 2) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-20 10:30:54,392 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 10:30:54,393 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (((\result == 0 && 0 == tmp) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-20 10:30:54,394 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-20 10:30:54,395 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == methaneLevelCritical) && 0 == \result) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && !(tmp == 0)) && !(0 == tmp___0)) [2019-11-20 10:30:54,396 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && (((((((\result == 0 && 0 == tmp) && 0 == \result) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && 0 == \result) || (((0 == \result && 0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == \result)) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result)) [2019-11-20 10:30:54,483 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8a1501e7-20a7-4411-b55c-33de264db656/bin/uautomizer/witness.graphml [2019-11-20 10:30:54,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:30:54,484 INFO L168 Benchmark]: Toolchain (without parser) took 31070.78 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 763.4 MB). Free memory was 947.5 MB in the beginning and 1.6 GB in the end (delta: -618.2 MB). Peak memory consumption was 145.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:30:54,484 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:30:54,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:30:54,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:30:54,485 INFO L168 Benchmark]: Boogie Preprocessor took 62.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:30:54,486 INFO L168 Benchmark]: RCFGBuilder took 1230.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:30:54,486 INFO L168 Benchmark]: TraceAbstraction took 28757.29 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 615.0 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -554.1 MB). Peak memory consumption was 747.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:30:54,486 INFO L168 Benchmark]: Witness Printer took 176.07 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:30:54,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 738.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1230.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.9 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28757.29 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 615.0 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -554.1 MB). Peak memory consumption was 747.0 MB. Max. memory is 11.5 GB. * Witness Printer took 176.07 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 549]: 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: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == \result)) && waterLevel <= 2) || (waterLevel <= 2 && (((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1)) || (waterLevel <= 1 && (0 == methaneLevelCritical && 0 == \result) && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp)) || (((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == \result)) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((0 == tmp && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && waterLevel <= 2)) || (waterLevel <= 2 && ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: ((0 == tmp && (((\result == 1 && 1 == tmp) && waterLevel <= 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: ((((((((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == methaneLevelCritical) && 0 == \result) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && !(tmp == 0)) && !(0 == tmp___0)) - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (((\result == 0 && 0 == tmp) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) || (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && 1 == tmp) && waterLevel <= 2) && 0 == tmp) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (\result == 0 && ((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || (waterLevel <= 1 && (((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: ((pumpRunning == 1 && (((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && waterLevel <= 2) || (((((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == tmp) && waterLevel <= 1) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (((((0 == tmp && 0 == \result) && ((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && waterLevel <= 2) || ((0 == methaneLevelCritical && waterLevel <= 2) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((!(0 == methaneLevelCritical) && ((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || (((waterLevel <= 2 && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp)) && !(0 == \result)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && (((((((\result == 0 && 0 == tmp) && 0 == \result) && 0 == methaneLevelCritical) && !(0 == \result)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && 0 == \result) || (((0 == \result && 0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && 0 == \result)) || ((!(0 == methaneLevelCritical) && (((((\result == 1 && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == \result))) || (waterLevel <= 2 && ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && !(0 == methaneLevelCritical)) && (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(tmp == 0)) && !(0 == tmp___0)) && !(0 == \result)) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && ((((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) || ((((((((\result == 1 && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && 1 == tmp) && waterLevel <= 2) && !(0 == tmp)) && !(0 == \result))) || (waterLevel <= 2 && ((((0 == methaneLevelCritical && ((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == tmp) && pumpRunning == 1) && 0 == tmp)) || (((((((((\result == 1 && 1 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && pumpRunning == 1) && !(0 == methaneLevelCritical)) && !(0 == tmp)) && !(0 == \result)) && waterLevel <= 2)) || ((((tmp___0 <= 1 && 0 == tmp) && \result <= 1) && 0 == \result) && 0 == methaneLevelCritical && ((((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == tmp) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((((0 == tmp && ((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && pumpRunning == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 1 == tmp) && waterLevel <= 2) || (((((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && 1 == tmp) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 28.6s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.1s, HoareTripleCheckerStatistics: 1744 SDtfs, 3247 SDslu, 3126 SDs, 0 SdLazy, 458 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 3079 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 446 NumberOfFragments, 1323 HoareAnnotationTreeSize, 58 FomulaSimplifications, 46310309 FormulaSimplificationTreeSizeReduction, 6.0s HoareSimplificationTime, 58 FomulaSimplificationsInter, 9914688 FormulaSimplificationTreeSizeReductionInter, 17.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 45672 SizeOfPredicates, 4 NumberOfNonLiveVariables, 441 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 54/62 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...