./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.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_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/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 484c358b13fd8def6bfbf41b26d96fd32414391c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:19:03,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:19:03,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:19:03,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:19:03,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:19:03,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:19:03,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:19:03,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:19:03,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:19:03,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:19:03,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:19:03,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:19:03,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:19:03,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:19:03,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:19:03,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:19:03,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:19:03,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:19:03,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:19:03,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:19:03,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:19:03,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:19:03,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:19:03,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:19:03,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:19:03,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:19:03,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:19:03,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:19:03,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:19:03,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:19:03,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:19:03,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:19:03,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:19:03,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:19:03,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:19:03,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:19:03,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:19:03,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:19:03,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:19:03,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:19:03,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:19:03,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 04:19:03,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:19:03,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:19:03,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:19:03,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:19:03,411 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:19:03,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:19:03,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:19:03,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:19:03,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:19:03,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:19:03,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:19:03,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:19:03,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:19:03,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:19:03,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:19:03,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:19:03,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:19:03,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:19:03,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:19:03,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:19:03,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:19:03,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:19:03,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:19:03,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:19:03,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:19:03,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:19:03,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:19:03,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:19:03,416 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_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/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 -> 484c358b13fd8def6bfbf41b26d96fd32414391c [2019-11-20 04:19:03,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:19:03,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:19:03,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:19:03,567 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:19:03,567 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:19:03,568 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2019-11-20 04:19:03,627 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/bin/uautomizer/data/01d681980/f10d33f4f77d4cf198969e1841146138/FLAG2df66ce64 [2019-11-20 04:19:04,087 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:19:04,088 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2019-11-20 04:19:04,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/bin/uautomizer/data/01d681980/f10d33f4f77d4cf198969e1841146138/FLAG2df66ce64 [2019-11-20 04:19:04,593 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/bin/uautomizer/data/01d681980/f10d33f4f77d4cf198969e1841146138 [2019-11-20 04:19:04,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:19:04,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:19:04,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:19:04,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:19:04,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:19:04,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:19:04" (1/1) ... [2019-11-20 04:19:04,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ed8bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:04, skipping insertion in model container [2019-11-20 04:19:04,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:19:04" (1/1) ... [2019-11-20 04:19:04,610 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:19:04,655 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:19:04,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:19:04,989 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:19:05,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:19:05,128 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:19:05,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05 WrapperNode [2019-11-20 04:19:05,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:19:05,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:19:05,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:19:05,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:19:05,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05" (1/1) ... [2019-11-20 04:19:05,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05" (1/1) ... [2019-11-20 04:19:05,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:19:05,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:19:05,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:19:05,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:19:05,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05" (1/1) ... [2019-11-20 04:19:05,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05" (1/1) ... [2019-11-20 04:19:05,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05" (1/1) ... [2019-11-20 04:19:05,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05" (1/1) ... [2019-11-20 04:19:05,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05" (1/1) ... [2019-11-20 04:19:05,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05" (1/1) ... [2019-11-20 04:19:05,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05" (1/1) ... [2019-11-20 04:19:05,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:19:05,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:19:05,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:19:05,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:19:05,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/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 04:19:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:19:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 04:19:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:19:05,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:19:06,270 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:19:06,270 INFO L285 CfgBuilder]: Removed 208 assume(true) statements. [2019-11-20 04:19:06,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:19:06 BoogieIcfgContainer [2019-11-20 04:19:06,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:19:06,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:19:06,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:19:06,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:19:06,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:19:04" (1/3) ... [2019-11-20 04:19:06,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a86691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:19:06, skipping insertion in model container [2019-11-20 04:19:06,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:19:05" (2/3) ... [2019-11-20 04:19:06,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a86691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:19:06, skipping insertion in model container [2019-11-20 04:19:06,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:19:06" (3/3) ... [2019-11-20 04:19:06,284 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2019-11-20 04:19:06,302 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:19:06,307 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 04:19:06,315 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 04:19:06,341 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:19:06,341 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:19:06,341 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:19:06,341 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:19:06,341 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:19:06,342 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:19:06,342 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:19:06,343 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:19:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2019-11-20 04:19:06,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 04:19:06,366 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:19:06,367 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 04:19:06,367 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:19:06,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:06,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1244104416, now seen corresponding path program 1 times [2019-11-20 04:19:06,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:06,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613898673] [2019-11-20 04:19:06,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:06,587 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 04:19:06,587 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613898673] [2019-11-20 04:19:06,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:19:06,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:19:06,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259729617] [2019-11-20 04:19:06,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 04:19:06,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:06,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 04:19:06,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 04:19:06,609 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2019-11-20 04:19:06,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:06,642 INFO L93 Difference]: Finished difference Result 269 states and 400 transitions. [2019-11-20 04:19:06,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 04:19:06,643 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-20 04:19:06,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:19:06,654 INFO L225 Difference]: With dead ends: 269 [2019-11-20 04:19:06,654 INFO L226 Difference]: Without dead ends: 134 [2019-11-20 04:19:06,658 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 04:19:06,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-20 04:19:06,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-11-20 04:19:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-20 04:19:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2019-11-20 04:19:06,702 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2019-11-20 04:19:06,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:19:06,702 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2019-11-20 04:19:06,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 04:19:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2019-11-20 04:19:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 04:19:06,704 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:19:06,704 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] [2019-11-20 04:19:06,704 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:19:06,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:06,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1970722193, now seen corresponding path program 1 times [2019-11-20 04:19:06,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:06,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583910027] [2019-11-20 04:19:06,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:06,813 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 04:19:06,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583910027] [2019-11-20 04:19:06,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:19:06,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:19:06,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338968626] [2019-11-20 04:19:06,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:19:06,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:06,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:19:06,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:19:06,816 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2019-11-20 04:19:06,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:06,834 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2019-11-20 04:19:06,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:19:06,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-20 04:19:06,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:19:06,835 INFO L225 Difference]: With dead ends: 134 [2019-11-20 04:19:06,836 INFO L226 Difference]: Without dead ends: 55 [2019-11-20 04:19:06,837 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 04:19:06,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-20 04:19:06,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-20 04:19:06,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 04:19:06,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-20 04:19:06,843 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2019-11-20 04:19:06,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:19:06,844 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-20 04:19:06,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:19:06,844 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-20 04:19:06,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 04:19:06,845 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:19:06,845 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 04:19:06,846 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:19:06,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:06,846 INFO L82 PathProgramCache]: Analyzing trace with hash -739575047, now seen corresponding path program 1 times [2019-11-20 04:19:06,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:06,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42688514] [2019-11-20 04:19:06,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:06,921 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 04:19:06,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42688514] [2019-11-20 04:19:06,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:19:06,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 04:19:06,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583749203] [2019-11-20 04:19:06,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:19:06,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:06,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:19:06,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:19:06,923 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-20 04:19:06,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:06,952 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2019-11-20 04:19:06,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:19:06,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 04:19:06,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:19:06,954 INFO L225 Difference]: With dead ends: 103 [2019-11-20 04:19:06,954 INFO L226 Difference]: Without dead ends: 55 [2019-11-20 04:19:06,955 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 04:19:06,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-20 04:19:06,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-20 04:19:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 04:19:06,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2019-11-20 04:19:06,966 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2019-11-20 04:19:06,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:19:06,966 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2019-11-20 04:19:06,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:19:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2019-11-20 04:19:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 04:19:06,968 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:19:06,969 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] [2019-11-20 04:19:06,969 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:19:06,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:06,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1972933051, now seen corresponding path program 1 times [2019-11-20 04:19:06,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:06,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767058692] [2019-11-20 04:19:06,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:07,073 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 04:19:07,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767058692] [2019-11-20 04:19:07,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:19:07,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:19:07,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960581665] [2019-11-20 04:19:07,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:19:07,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:07,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:19:07,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:19:07,075 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2019-11-20 04:19:07,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:07,139 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2019-11-20 04:19:07,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:19:07,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-20 04:19:07,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:19:07,142 INFO L225 Difference]: With dead ends: 127 [2019-11-20 04:19:07,142 INFO L226 Difference]: Without dead ends: 79 [2019-11-20 04:19:07,142 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 04:19:07,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-11-20 04:19:07,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2019-11-20 04:19:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-20 04:19:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2019-11-20 04:19:07,152 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2019-11-20 04:19:07,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:19:07,152 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2019-11-20 04:19:07,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:19:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2019-11-20 04:19:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:19:07,154 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:19:07,154 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] [2019-11-20 04:19:07,154 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:19:07,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:07,154 INFO L82 PathProgramCache]: Analyzing trace with hash -2138258297, now seen corresponding path program 1 times [2019-11-20 04:19:07,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:07,155 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777469517] [2019-11-20 04:19:07,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:07,245 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 04:19:07,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777469517] [2019-11-20 04:19:07,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:19:07,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:19:07,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216296044] [2019-11-20 04:19:07,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 04:19:07,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:07,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:19:07,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:19:07,248 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2019-11-20 04:19:07,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:07,417 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2019-11-20 04:19:07,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 04:19:07,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-20 04:19:07,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:19:07,420 INFO L225 Difference]: With dead ends: 260 [2019-11-20 04:19:07,421 INFO L226 Difference]: Without dead ends: 190 [2019-11-20 04:19:07,422 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 04:19:07,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-11-20 04:19:07,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2019-11-20 04:19:07,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-11-20 04:19:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2019-11-20 04:19:07,439 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2019-11-20 04:19:07,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:19:07,440 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2019-11-20 04:19:07,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 04:19:07,440 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2019-11-20 04:19:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 04:19:07,441 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:19:07,442 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 04:19:07,442 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:19:07,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:07,442 INFO L82 PathProgramCache]: Analyzing trace with hash 760139958, now seen corresponding path program 1 times [2019-11-20 04:19:07,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:07,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895871522] [2019-11-20 04:19:07,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:07,564 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 04:19:07,564 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895871522] [2019-11-20 04:19:07,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:19:07,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 04:19:07,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016867866] [2019-11-20 04:19:07,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 04:19:07,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:07,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:19:07,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 04:19:07,566 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2019-11-20 04:19:07,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:07,664 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2019-11-20 04:19:07,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 04:19:07,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-11-20 04:19:07,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:19:07,666 INFO L225 Difference]: With dead ends: 194 [2019-11-20 04:19:07,666 INFO L226 Difference]: Without dead ends: 125 [2019-11-20 04:19:07,667 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 04:19:07,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-20 04:19:07,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2019-11-20 04:19:07,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-20 04:19:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2019-11-20 04:19:07,689 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2019-11-20 04:19:07,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:19:07,691 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2019-11-20 04:19:07,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 04:19:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2019-11-20 04:19:07,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 04:19:07,693 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:19:07,694 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 04:19:07,697 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:19:07,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:07,698 INFO L82 PathProgramCache]: Analyzing trace with hash -250977292, now seen corresponding path program 1 times [2019-11-20 04:19:07,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:07,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698329566] [2019-11-20 04:19:07,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:07,773 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 04:19:07,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698329566] [2019-11-20 04:19:07,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:19:07,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 04:19:07,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422166146] [2019-11-20 04:19:07,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 04:19:07,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:07,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 04:19:07,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 04:19:07,776 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2019-11-20 04:19:07,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:07,827 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2019-11-20 04:19:07,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 04:19:07,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-11-20 04:19:07,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:19:07,829 INFO L225 Difference]: With dead ends: 189 [2019-11-20 04:19:07,829 INFO L226 Difference]: Without dead ends: 114 [2019-11-20 04:19:07,830 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 04:19:07,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-20 04:19:07,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2019-11-20 04:19:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-11-20 04:19:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2019-11-20 04:19:07,849 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2019-11-20 04:19:07,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:19:07,850 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2019-11-20 04:19:07,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 04:19:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2019-11-20 04:19:07,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 04:19:07,858 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:19:07,859 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 04:19:07,859 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:19:07,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:07,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1272045646, now seen corresponding path program 1 times [2019-11-20 04:19:07,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:07,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250706189] [2019-11-20 04:19:07,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:07,907 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 04:19:07,907 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250706189] [2019-11-20 04:19:07,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:19:07,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 04:19:07,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598168553] [2019-11-20 04:19:07,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 04:19:07,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:07,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 04:19:07,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 04:19:07,909 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2019-11-20 04:19:07,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:07,939 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2019-11-20 04:19:07,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:19:07,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-11-20 04:19:07,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:19:07,941 INFO L225 Difference]: With dead ends: 193 [2019-11-20 04:19:07,941 INFO L226 Difference]: Without dead ends: 114 [2019-11-20 04:19:07,942 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 04:19:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-20 04:19:07,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-11-20 04:19:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-20 04:19:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2019-11-20 04:19:07,962 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2019-11-20 04:19:07,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:19:07,962 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2019-11-20 04:19:07,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 04:19:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2019-11-20 04:19:07,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 04:19:07,965 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:19:07,966 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, 1] [2019-11-20 04:19:07,966 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:19:07,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:07,966 INFO L82 PathProgramCache]: Analyzing trace with hash 263752306, now seen corresponding path program 1 times [2019-11-20 04:19:07,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:07,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028698432] [2019-11-20 04:19:07,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:08,089 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 04:19:08,090 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028698432] [2019-11-20 04:19:08,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:19:08,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 04:19:08,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038966375] [2019-11-20 04:19:08,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 04:19:08,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:08,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 04:19:08,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 04:19:08,091 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 6 states. [2019-11-20 04:19:08,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:08,333 INFO L93 Difference]: Finished difference Result 429 states and 571 transitions. [2019-11-20 04:19:08,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 04:19:08,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-11-20 04:19:08,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:19:08,336 INFO L225 Difference]: With dead ends: 429 [2019-11-20 04:19:08,336 INFO L226 Difference]: Without dead ends: 350 [2019-11-20 04:19:08,337 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-20 04:19:08,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-11-20 04:19:08,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 159. [2019-11-20 04:19:08,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-11-20 04:19:08,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 204 transitions. [2019-11-20 04:19:08,359 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 204 transitions. Word has length 38 [2019-11-20 04:19:08,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:19:08,359 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 204 transitions. [2019-11-20 04:19:08,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 04:19:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2019-11-20 04:19:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 04:19:08,361 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:19:08,361 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, 1] [2019-11-20 04:19:08,361 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:19:08,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:19:08,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1200946429, now seen corresponding path program 1 times [2019-11-20 04:19:08,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 04:19:08,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207868379] [2019-11-20 04:19:08,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 04:19:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:19:08,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207868379] [2019-11-20 04:19:08,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520196078] [2019-11-20 04:19:08,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/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 04:19:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:19:08,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:19:08,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:19:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:19:08,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 04:19:08,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-11-20 04:19:08,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68191355] [2019-11-20 04:19:08,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 04:19:08,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 04:19:08,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 04:19:08,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-20 04:19:08,731 INFO L87 Difference]: Start difference. First operand 159 states and 204 transitions. Second operand 9 states. [2019-11-20 04:19:08,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:19:08,931 INFO L93 Difference]: Finished difference Result 317 states and 423 transitions. [2019-11-20 04:19:08,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 04:19:08,932 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-11-20 04:19:08,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:19:08,932 INFO L225 Difference]: With dead ends: 317 [2019-11-20 04:19:08,932 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 04:19:08,933 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-11-20 04:19:08,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 04:19:08,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 04:19:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 04:19:08,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 04:19:08,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-11-20 04:19:08,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:19:08,934 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:19:08,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 04:19:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:19:08,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:19:09,145 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 04:19:09,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 04:19:09,930 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2019-11-20 04:19:10,158 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2019-11-20 04:19:10,434 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2019-11-20 04:19:10,668 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2019-11-20 04:19:10,950 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2019-11-20 04:19:11,227 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 22 [2019-11-20 04:19:11,461 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2019-11-20 04:19:11,519 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2019-11-20 04:19:11,519 INFO L444 ceAbstractionStarter]: For program point L597(lines 597 601) no Hoare annotation was computed. [2019-11-20 04:19:11,520 INFO L444 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,520 INFO L444 ceAbstractionStarter]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,520 INFO L444 ceAbstractionStarter]: For program point L895-3(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,520 INFO L444 ceAbstractionStarter]: For program point L895-5(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,520 INFO L444 ceAbstractionStarter]: For program point L895-6(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,520 INFO L444 ceAbstractionStarter]: For program point L895-8(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,520 INFO L444 ceAbstractionStarter]: For program point L895-9(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,520 INFO L444 ceAbstractionStarter]: For program point L895-11(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,521 INFO L444 ceAbstractionStarter]: For program point L895-12(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,521 INFO L444 ceAbstractionStarter]: For program point L895-14(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,521 INFO L444 ceAbstractionStarter]: For program point L895-15(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,521 INFO L444 ceAbstractionStarter]: For program point L895-17(lines 895 899) no Hoare annotation was computed. [2019-11-20 04:19:11,521 INFO L444 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-11-20 04:19:11,521 INFO L440 ceAbstractionStarter]: At program point L70-1(lines 1 979) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and (and .cse0 (= ~pumpRunning~0 0) .cse3) .cse2) (and (<= 1 ~switchedOnBeforeTS~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse2 .cse3)))) [2019-11-20 04:19:11,521 INFO L444 ceAbstractionStarter]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2019-11-20 04:19:11,522 INFO L440 ceAbstractionStarter]: At program point L70-3(lines 1 979) the Hoare annotation is: false [2019-11-20 04:19:11,522 INFO L444 ceAbstractionStarter]: For program point L962(lines 962 966) no Hoare annotation was computed. [2019-11-20 04:19:11,522 INFO L444 ceAbstractionStarter]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2019-11-20 04:19:11,522 INFO L440 ceAbstractionStarter]: At program point L70-5(lines 1 979) the Hoare annotation is: false [2019-11-20 04:19:11,522 INFO L440 ceAbstractionStarter]: At program point L962-2(lines 962 966) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) .cse2) (and .cse3 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1)) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse2 .cse1)))) [2019-11-20 04:19:11,522 INFO L440 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: false [2019-11-20 04:19:11,522 INFO L444 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-11-20 04:19:11,522 INFO L444 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2019-11-20 04:19:11,523 INFO L444 ceAbstractionStarter]: For program point L700-1(line 700) no Hoare annotation was computed. [2019-11-20 04:19:11,523 INFO L444 ceAbstractionStarter]: For program point L700-2(line 700) no Hoare annotation was computed. [2019-11-20 04:19:11,523 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-11-20 04:19:11,523 INFO L444 ceAbstractionStarter]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2019-11-20 04:19:11,523 INFO L444 ceAbstractionStarter]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2019-11-20 04:19:11,523 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2019-11-20 04:19:11,523 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-20 04:19:11,523 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2019-11-20 04:19:11,523 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2019-11-20 04:19:11,524 INFO L444 ceAbstractionStarter]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2019-11-20 04:19:11,524 INFO L444 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2019-11-20 04:19:11,524 INFO L440 ceAbstractionStarter]: At program point L934-1(lines 934 940) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) .cse2) (and .cse3 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1)) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse2 .cse1)))) [2019-11-20 04:19:11,524 INFO L440 ceAbstractionStarter]: At program point L901(lines 886 904) the Hoare annotation is: false [2019-11-20 04:19:11,524 INFO L440 ceAbstractionStarter]: At program point L901-1(lines 886 904) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse1 (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 .cse3)))) [2019-11-20 04:19:11,524 INFO L440 ceAbstractionStarter]: At program point L901-2(lines 886 904) the Hoare annotation is: false [2019-11-20 04:19:11,524 INFO L440 ceAbstractionStarter]: At program point L901-3(lines 886 904) the Hoare annotation is: false [2019-11-20 04:19:11,524 INFO L440 ceAbstractionStarter]: At program point L901-4(lines 886 904) the Hoare annotation is: false [2019-11-20 04:19:11,525 INFO L440 ceAbstractionStarter]: At program point L901-5(lines 886 904) the Hoare annotation is: false [2019-11-20 04:19:11,525 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2019-11-20 04:19:11,525 INFO L440 ceAbstractionStarter]: At program point L837(lines 830 840) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 04:19:11,525 INFO L440 ceAbstractionStarter]: At program point L837-1(lines 830 840) the Hoare annotation is: false [2019-11-20 04:19:11,525 INFO L440 ceAbstractionStarter]: At program point L837-2(lines 830 840) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 04:19:11,525 INFO L440 ceAbstractionStarter]: At program point L837-3(lines 830 840) the Hoare annotation is: false [2019-11-20 04:19:11,525 INFO L440 ceAbstractionStarter]: At program point L837-4(lines 830 840) the Hoare annotation is: false [2019-11-20 04:19:11,525 INFO L440 ceAbstractionStarter]: At program point L837-5(lines 830 840) the Hoare annotation is: false [2019-11-20 04:19:11,526 INFO L440 ceAbstractionStarter]: At program point L837-6(lines 830 840) the Hoare annotation is: false [2019-11-20 04:19:11,526 INFO L440 ceAbstractionStarter]: At program point L837-7(lines 830 840) the Hoare annotation is: false [2019-11-20 04:19:11,526 INFO L444 ceAbstractionStarter]: For program point L573(lines 573 577) no Hoare annotation was computed. [2019-11-20 04:19:11,526 INFO L440 ceAbstractionStarter]: At program point L837-8(lines 830 840) the Hoare annotation is: false [2019-11-20 04:19:11,526 INFO L444 ceAbstractionStarter]: For program point L573-3(lines 573 577) no Hoare annotation was computed. [2019-11-20 04:19:11,526 INFO L444 ceAbstractionStarter]: For program point L573-6(lines 573 577) no Hoare annotation was computed. [2019-11-20 04:19:11,526 INFO L440 ceAbstractionStarter]: At program point L972(lines 923 973) the Hoare annotation is: false [2019-11-20 04:19:11,526 INFO L440 ceAbstractionStarter]: At program point L642(lines 637 645) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-11-20 04:19:11,527 INFO L440 ceAbstractionStarter]: At program point L642-1(lines 637 645) the Hoare annotation is: false [2019-11-20 04:19:11,527 INFO L440 ceAbstractionStarter]: At program point L642-2(lines 637 645) the Hoare annotation is: false [2019-11-20 04:19:11,527 INFO L440 ceAbstractionStarter]: At program point L610(lines 605 613) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 04:19:11,527 INFO L440 ceAbstractionStarter]: At program point L610-1(lines 605 613) the Hoare annotation is: false [2019-11-20 04:19:11,527 INFO L440 ceAbstractionStarter]: At program point L610-2(lines 605 613) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 04:19:11,527 INFO L440 ceAbstractionStarter]: At program point L610-3(lines 605 613) the Hoare annotation is: false [2019-11-20 04:19:11,527 INFO L440 ceAbstractionStarter]: At program point L610-4(lines 605 613) the Hoare annotation is: false [2019-11-20 04:19:11,527 INFO L440 ceAbstractionStarter]: At program point L610-5(lines 605 613) the Hoare annotation is: false [2019-11-20 04:19:11,527 INFO L440 ceAbstractionStarter]: At program point L610-6(lines 605 613) the Hoare annotation is: false [2019-11-20 04:19:11,528 INFO L440 ceAbstractionStarter]: At program point L610-7(lines 605 613) the Hoare annotation is: false [2019-11-20 04:19:11,528 INFO L440 ceAbstractionStarter]: At program point L610-8(lines 605 613) the Hoare annotation is: false [2019-11-20 04:19:11,528 INFO L440 ceAbstractionStarter]: At program point L49(lines 44 51) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:19:11,528 INFO L444 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2019-11-20 04:19:11,528 INFO L444 ceAbstractionStarter]: For program point L776-1(lines 776 793) no Hoare annotation was computed. [2019-11-20 04:19:11,528 INFO L444 ceAbstractionStarter]: For program point L776-2(lines 776 793) no Hoare annotation was computed. [2019-11-20 04:19:11,528 INFO L444 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2019-11-20 04:19:11,532 INFO L447 ceAbstractionStarter]: At program point L183-1(lines 183 190) the Hoare annotation is: true [2019-11-20 04:19:11,532 INFO L444 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-11-20 04:19:11,533 INFO L440 ceAbstractionStarter]: At program point L944-1(lines 944 950) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) .cse2) (and .cse3 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1)) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse2 .cse1)))) [2019-11-20 04:19:11,533 INFO L444 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2019-11-20 04:19:11,533 INFO L444 ceAbstractionStarter]: For program point L812-2(lines 812 818) no Hoare annotation was computed. [2019-11-20 04:19:11,533 INFO L444 ceAbstractionStarter]: For program point L812-4(lines 812 818) no Hoare annotation was computed. [2019-11-20 04:19:11,533 INFO L444 ceAbstractionStarter]: For program point L812-6(lines 812 818) no Hoare annotation was computed. [2019-11-20 04:19:11,534 INFO L444 ceAbstractionStarter]: For program point L812-8(lines 812 818) no Hoare annotation was computed. [2019-11-20 04:19:11,534 INFO L444 ceAbstractionStarter]: For program point L812-10(lines 812 818) no Hoare annotation was computed. [2019-11-20 04:19:11,534 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 04:19:11,534 INFO L440 ceAbstractionStarter]: At program point L846(lines 841 849) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4 (and .cse0 .cse1 .cse2)) (and .cse1 (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)))) [2019-11-20 04:19:11,534 INFO L440 ceAbstractionStarter]: At program point L846-1(lines 841 849) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-11-20 04:19:11,535 INFO L444 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2019-11-20 04:19:11,535 INFO L440 ceAbstractionStarter]: At program point L846-2(lines 841 849) the Hoare annotation is: false [2019-11-20 04:19:11,535 INFO L444 ceAbstractionStarter]: For program point L780-1(lines 780 788) no Hoare annotation was computed. [2019-11-20 04:19:11,535 INFO L440 ceAbstractionStarter]: At program point L846-3(lines 841 849) the Hoare annotation is: false [2019-11-20 04:19:11,535 INFO L440 ceAbstractionStarter]: At program point L846-4(lines 841 849) the Hoare annotation is: false [2019-11-20 04:19:11,537 INFO L444 ceAbstractionStarter]: For program point L780-2(lines 780 788) no Hoare annotation was computed. [2019-11-20 04:19:11,537 INFO L440 ceAbstractionStarter]: At program point L846-5(lines 841 849) the Hoare annotation is: false [2019-11-20 04:19:11,538 INFO L440 ceAbstractionStarter]: At program point L683(lines 1 979) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:19:11,538 INFO L444 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2019-11-20 04:19:11,538 INFO L444 ceAbstractionStarter]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2019-11-20 04:19:11,538 INFO L444 ceAbstractionStarter]: For program point L650-2(lines 650 656) no Hoare annotation was computed. [2019-11-20 04:19:11,538 INFO L444 ceAbstractionStarter]: For program point L650-3(lines 650 656) no Hoare annotation was computed. [2019-11-20 04:19:11,538 INFO L444 ceAbstractionStarter]: For program point L650-4(lines 650 656) no Hoare annotation was computed. [2019-11-20 04:19:11,538 INFO L444 ceAbstractionStarter]: For program point L650-5(lines 650 656) no Hoare annotation was computed. [2019-11-20 04:19:11,539 INFO L440 ceAbstractionStarter]: At program point L155(lines 151 157) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:19:11,539 INFO L444 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2019-11-20 04:19:11,539 INFO L444 ceAbstractionStarter]: For program point L750-1(lines 750 767) no Hoare annotation was computed. [2019-11-20 04:19:11,539 INFO L444 ceAbstractionStarter]: For program point L750-2(lines 750 767) no Hoare annotation was computed. [2019-11-20 04:19:11,539 INFO L444 ceAbstractionStarter]: For program point L750-3(lines 750 767) no Hoare annotation was computed. [2019-11-20 04:19:11,539 INFO L444 ceAbstractionStarter]: For program point L750-4(lines 750 767) no Hoare annotation was computed. [2019-11-20 04:19:11,540 INFO L444 ceAbstractionStarter]: For program point L585(lines 585 589) no Hoare annotation was computed. [2019-11-20 04:19:11,541 INFO L444 ceAbstractionStarter]: For program point L750-5(lines 750 767) no Hoare annotation was computed. [2019-11-20 04:19:11,542 INFO L440 ceAbstractionStarter]: At program point L718(lines 714 736) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse1 .cse2)))) [2019-11-20 04:19:11,542 INFO L440 ceAbstractionStarter]: At program point L718-1(lines 714 736) the Hoare annotation is: false [2019-11-20 04:19:11,542 INFO L440 ceAbstractionStarter]: At program point L718-2(lines 714 736) the Hoare annotation is: false [2019-11-20 04:19:11,542 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 04:19:11,542 INFO L440 ceAbstractionStarter]: At program point L59(lines 718 724) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse1 .cse2)) (and .cse1 (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)))) [2019-11-20 04:19:11,543 INFO L440 ceAbstractionStarter]: At program point L59-1(lines 718 724) the Hoare annotation is: false [2019-11-20 04:19:11,543 INFO L440 ceAbstractionStarter]: At program point L59-2(lines 718 724) the Hoare annotation is: false [2019-11-20 04:19:11,543 INFO L447 ceAbstractionStarter]: At program point L192(lines 173 195) the Hoare annotation is: true [2019-11-20 04:19:11,543 INFO L444 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2019-11-20 04:19:11,543 INFO L444 ceAbstractionStarter]: For program point L754-1(lines 754 762) no Hoare annotation was computed. [2019-11-20 04:19:11,543 INFO L444 ceAbstractionStarter]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2019-11-20 04:19:11,544 INFO L440 ceAbstractionStarter]: At program point L655(lines 646 659) the Hoare annotation is: false [2019-11-20 04:19:11,544 INFO L444 ceAbstractionStarter]: For program point L754-3(lines 754 762) no Hoare annotation was computed. [2019-11-20 04:19:11,544 INFO L440 ceAbstractionStarter]: At program point L655-1(lines 646 659) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-11-20 04:19:11,545 INFO L444 ceAbstractionStarter]: For program point L754-4(lines 754 762) no Hoare annotation was computed. [2019-11-20 04:19:11,545 INFO L440 ceAbstractionStarter]: At program point L655-2(lines 646 659) the Hoare annotation is: false [2019-11-20 04:19:11,545 INFO L444 ceAbstractionStarter]: For program point L754-5(lines 754 762) no Hoare annotation was computed. [2019-11-20 04:19:11,545 INFO L440 ceAbstractionStarter]: At program point L655-3(lines 646 659) the Hoare annotation is: false [2019-11-20 04:19:11,545 INFO L440 ceAbstractionStarter]: At program point L655-4(lines 646 659) the Hoare annotation is: false [2019-11-20 04:19:11,545 INFO L440 ceAbstractionStarter]: At program point L655-5(lines 646 659) the Hoare annotation is: false [2019-11-20 04:19:11,545 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 04:19:11,546 INFO L444 ceAbstractionStarter]: For program point L954(lines 954 967) no Hoare annotation was computed. [2019-11-20 04:19:11,546 INFO L440 ceAbstractionStarter]: At program point L691(lines 686 694) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 04:19:11,546 INFO L440 ceAbstractionStarter]: At program point L725(lines 725 731) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse3 (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-11-20 04:19:11,546 INFO L440 ceAbstractionStarter]: At program point L725-1(lines 725 731) the Hoare annotation is: false [2019-11-20 04:19:11,546 INFO L440 ceAbstractionStarter]: At program point L725-2(lines 725 731) the Hoare annotation is: false [2019-11-20 04:19:11,546 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 04:19:11,547 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2019-11-20 04:19:11,547 INFO L444 ceAbstractionStarter]: For program point L925(lines 924 971) no Hoare annotation was computed. [2019-11-20 04:19:11,547 INFO L444 ceAbstractionStarter]: For program point L926(lines 926 930) no Hoare annotation was computed. [2019-11-20 04:19:11,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:19:11 BoogieIcfgContainer [2019-11-20 04:19:11,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:19:11,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:19:11,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:19:11,594 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:19:11,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:19:06" (3/4) ... [2019-11-20 04:19:11,598 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:19:11,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 04:19:11,632 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 04:19:11,633 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 04:19:11,634 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 04:19:11,636 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 04:19:11,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 04:19:11,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 04:19:11,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 04:19:11,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 04:19:11,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 04:19:11,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= pumpRunning) && 1 <= \result) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 04:19:11,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 04:19:11,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-11-20 04:19:11,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-20 04:19:11,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-20 04:19:11,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-20 04:19:11,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-11-20 04:19:11,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 04:19:11,697 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-11-20 04:19:11,698 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 04:19:11,770 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5a9cb9d4-13e2-42e3-a5c9-e731b1522012/bin/uautomizer/witness.graphml [2019-11-20 04:19:11,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:19:11,772 INFO L168 Benchmark]: Toolchain (without parser) took 7175.20 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 278.9 MB). Free memory was 950.1 MB in the beginning and 1.3 GB in the end (delta: -308.8 MB). Peak memory consumption was 396.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:19:11,772 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:19:11,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:19:11,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:19:11,773 INFO L168 Benchmark]: Boogie Preprocessor took 71.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:19:11,773 INFO L168 Benchmark]: RCFGBuilder took 966.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:19:11,774 INFO L168 Benchmark]: TraceAbstraction took 5320.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 92.3 MB). Free memory was 1.0 GB in the beginning and 750.3 MB in the end (delta: 250.3 MB). Peak memory consumption was 342.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:19:11,774 INFO L168 Benchmark]: Witness Printer took 176.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 750.3 MB in the beginning and 1.3 GB in the end (delta: -508.7 MB). Peak memory consumption was 84.1 kB. Max. memory is 11.5 GB. [2019-11-20 04:19:11,776 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 531.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 966.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5320.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 92.3 MB). Free memory was 1.0 GB in the beginning and 750.3 MB in the end (delta: 250.3 MB). Peak memory consumption was 342.6 MB. Max. memory is 11.5 GB. * Witness Printer took 176.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 750.3 MB in the beginning and 1.3 GB in the end (delta: -508.7 MB). Peak memory consumption was 84.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 700]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 700]: 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: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= pumpRunning) && 1 <= \result) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Result: SAFE, OverallTime: 5.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, HoareTripleCheckerStatistics: 1088 SDtfs, 1228 SDslu, 1260 SDs, 0 SdLazy, 227 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 378 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 145 NumberOfFragments, 714 HoareAnnotationTreeSize, 62 FomulaSimplifications, 25477 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6472 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 31937 SizeOfPredicates, 4 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 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...