./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3897e59b530ba955e2bc8f3ddb0621a99e3d436 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:42,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:42,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:42,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:42,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:42,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:42,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:42,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:42,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:42,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:42,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:42,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:42,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:42,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:42,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:42,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:42,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:42,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:42,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:42,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:42,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:42,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:42,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:42,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:42,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:42,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:42,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:42,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:42,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:42,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:42,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:42,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:42,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:42,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:42,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:42,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:42,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:42,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:42,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:42,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:42,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:42,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:21:42,295 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:42,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:42,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:42,296 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:42,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:42,296 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:42,296 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:42,296 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:42,297 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:42,297 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:42,297 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:42,297 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:42,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:42,298 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:42,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:42,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:42,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:42,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:42,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:42,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:42,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:42,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:42,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:42,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:42,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:42,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:42,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:42,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:42,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:42,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:42,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:42,302 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:42,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:42,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:42,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:42,302 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan 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 -> Taipan 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 -> f3897e59b530ba955e2bc8f3ddb0621a99e3d436 [2019-10-22 11:21:42,326 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:42,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:42,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:42,340 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:42,340 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:42,341 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2019-10-22 11:21:42,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/data/f93c0dda6/a26162850c464c4d86789a3ae8aa711b/FLAG803fcb5e5 [2019-10-22 11:21:42,810 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:42,811 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2019-10-22 11:21:42,821 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/data/f93c0dda6/a26162850c464c4d86789a3ae8aa711b/FLAG803fcb5e5 [2019-10-22 11:21:42,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/data/f93c0dda6/a26162850c464c4d86789a3ae8aa711b [2019-10-22 11:21:42,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:42,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:42,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:42,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:42,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:42,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582e0139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:42, skipping insertion in model container [2019-10-22 11:21:42,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:42" (1/1) ... [2019-10-22 11:21:42,847 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:42,899 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:43,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:43,234 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:43,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:43,364 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:43,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43 WrapperNode [2019-10-22 11:21:43,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:43,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:43,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:43,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:43,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:43,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:43,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:43,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:43,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... [2019-10-22 11:21:43,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:43,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:43,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:43,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:43,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/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 [2019-10-22 11:21:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:21:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:45,098 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:45,099 INFO L284 CfgBuilder]: Removed 902 assume(true) statements. [2019-10-22 11:21:45,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:45 BoogieIcfgContainer [2019-10-22 11:21:45,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:45,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:45,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:45,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:45,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:42" (1/3) ... [2019-10-22 11:21:45,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea04fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:45, skipping insertion in model container [2019-10-22 11:21:45,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:43" (2/3) ... [2019-10-22 11:21:45,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea04fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:45, skipping insertion in model container [2019-10-22 11:21:45,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:45" (3/3) ... [2019-10-22 11:21:45,108 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2019-10-22 11:21:45,117 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:45,125 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:21:45,140 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:21:45,174 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:45,174 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:45,174 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:45,174 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:45,175 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:45,175 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:45,175 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:45,175 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states. [2019-10-22 11:21:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:21:45,212 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:45,212 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:45,214 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:45,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:45,219 INFO L82 PathProgramCache]: Analyzing trace with hash -434502313, now seen corresponding path program 1 times [2019-10-22 11:21:45,227 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:45,227 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700039204] [2019-10-22 11:21:45,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:45,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:45,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:45,464 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700039204] [2019-10-22 11:21:45,465 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:45,466 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:45,466 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986298382] [2019-10-22 11:21:45,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:21:45,473 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:45,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:21:45,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:21:45,490 INFO L87 Difference]: Start difference. First operand 474 states. Second operand 2 states. [2019-10-22 11:21:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:45,567 INFO L93 Difference]: Finished difference Result 934 states and 1467 transitions. [2019-10-22 11:21:45,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:21:45,571 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2019-10-22 11:21:45,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:45,586 INFO L225 Difference]: With dead ends: 934 [2019-10-22 11:21:45,587 INFO L226 Difference]: Without dead ends: 470 [2019-10-22 11:21:45,592 INFO L600 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 [2019-10-22 11:21:45,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-10-22 11:21:45,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2019-10-22 11:21:45,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-10-22 11:21:45,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 729 transitions. [2019-10-22 11:21:45,671 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 729 transitions. Word has length 25 [2019-10-22 11:21:45,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:45,671 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 729 transitions. [2019-10-22 11:21:45,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:21:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 729 transitions. [2019-10-22 11:21:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:21:45,672 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:45,673 INFO L380 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] [2019-10-22 11:21:45,673 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:45,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:45,675 INFO L82 PathProgramCache]: Analyzing trace with hash 10066668, now seen corresponding path program 1 times [2019-10-22 11:21:45,675 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:45,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777868574] [2019-10-22 11:21:45,675 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:45,675 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:45,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:45,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:45,813 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777868574] [2019-10-22 11:21:45,813 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:45,813 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:45,813 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22595602] [2019-10-22 11:21:45,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:45,815 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:45,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:45,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:45,815 INFO L87 Difference]: Start difference. First operand 470 states and 729 transitions. Second operand 3 states. [2019-10-22 11:21:45,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:45,835 INFO L93 Difference]: Finished difference Result 470 states and 729 transitions. [2019-10-22 11:21:45,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:45,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 11:21:45,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:45,837 INFO L225 Difference]: With dead ends: 470 [2019-10-22 11:21:45,837 INFO L226 Difference]: Without dead ends: 174 [2019-10-22 11:21:45,839 INFO L600 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 [2019-10-22 11:21:45,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2019-10-22 11:21:45,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2019-10-22 11:21:45,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-10-22 11:21:45,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 266 transitions. [2019-10-22 11:21:45,850 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 266 transitions. Word has length 26 [2019-10-22 11:21:45,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:45,850 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 266 transitions. [2019-10-22 11:21:45,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:45,850 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 266 transitions. [2019-10-22 11:21:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:21:45,851 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:45,851 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:45,852 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:45,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:45,852 INFO L82 PathProgramCache]: Analyzing trace with hash 2146837231, now seen corresponding path program 1 times [2019-10-22 11:21:45,852 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:45,853 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665645216] [2019-10-22 11:21:45,853 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:45,853 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:45,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:45,984 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665645216] [2019-10-22 11:21:45,984 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:45,984 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:21:45,985 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725447645] [2019-10-22 11:21:45,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:21:45,985 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:45,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:21:45,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:21:45,986 INFO L87 Difference]: Start difference. First operand 174 states and 266 transitions. Second operand 7 states. [2019-10-22 11:21:46,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:46,222 INFO L93 Difference]: Finished difference Result 680 states and 1062 transitions. [2019-10-22 11:21:46,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:21:46,223 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-10-22 11:21:46,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:46,227 INFO L225 Difference]: With dead ends: 680 [2019-10-22 11:21:46,229 INFO L226 Difference]: Without dead ends: 520 [2019-10-22 11:21:46,230 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:21:46,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2019-10-22 11:21:46,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 196. [2019-10-22 11:21:46,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-10-22 11:21:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 301 transitions. [2019-10-22 11:21:46,259 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 301 transitions. Word has length 32 [2019-10-22 11:21:46,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:46,259 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 301 transitions. [2019-10-22 11:21:46,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:21:46,260 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 301 transitions. [2019-10-22 11:21:46,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:21:46,261 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:46,261 INFO L380 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] [2019-10-22 11:21:46,261 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:46,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:46,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1270376866, now seen corresponding path program 1 times [2019-10-22 11:21:46,262 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:46,262 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192861221] [2019-10-22 11:21:46,262 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:46,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:46,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:46,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:46,346 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192861221] [2019-10-22 11:21:46,346 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:46,346 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:46,346 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675785202] [2019-10-22 11:21:46,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:46,347 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:46,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:46,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:46,347 INFO L87 Difference]: Start difference. First operand 196 states and 301 transitions. Second operand 5 states. [2019-10-22 11:21:46,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:46,682 INFO L93 Difference]: Finished difference Result 1065 states and 1693 transitions. [2019-10-22 11:21:46,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:21:46,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-10-22 11:21:46,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:46,686 INFO L225 Difference]: With dead ends: 1065 [2019-10-22 11:21:46,686 INFO L226 Difference]: Without dead ends: 883 [2019-10-22 11:21:46,687 INFO L600 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 [2019-10-22 11:21:46,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2019-10-22 11:21:46,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 370. [2019-10-22 11:21:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2019-10-22 11:21:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 573 transitions. [2019-10-22 11:21:46,721 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 573 transitions. Word has length 35 [2019-10-22 11:21:46,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:46,722 INFO L462 AbstractCegarLoop]: Abstraction has 370 states and 573 transitions. [2019-10-22 11:21:46,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:46,722 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 573 transitions. [2019-10-22 11:21:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:21:46,723 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:46,724 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:46,724 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:46,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:46,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1380973999, now seen corresponding path program 1 times [2019-10-22 11:21:46,724 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:46,725 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734052720] [2019-10-22 11:21:46,725 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:46,725 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:46,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:46,792 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734052720] [2019-10-22 11:21:46,792 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:46,792 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:46,792 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962693827] [2019-10-22 11:21:46,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:46,793 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:46,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:46,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:46,793 INFO L87 Difference]: Start difference. First operand 370 states and 573 transitions. Second operand 5 states. [2019-10-22 11:21:47,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:47,092 INFO L93 Difference]: Finished difference Result 1551 states and 2453 transitions. [2019-10-22 11:21:47,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:21:47,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 11:21:47,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:47,097 INFO L225 Difference]: With dead ends: 1551 [2019-10-22 11:21:47,097 INFO L226 Difference]: Without dead ends: 1195 [2019-10-22 11:21:47,098 INFO L600 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 [2019-10-22 11:21:47,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2019-10-22 11:21:47,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 385. [2019-10-22 11:21:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-10-22 11:21:47,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 576 transitions. [2019-10-22 11:21:47,134 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 576 transitions. Word has length 36 [2019-10-22 11:21:47,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:47,135 INFO L462 AbstractCegarLoop]: Abstraction has 385 states and 576 transitions. [2019-10-22 11:21:47,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:47,135 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 576 transitions. [2019-10-22 11:21:47,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 11:21:47,136 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:47,136 INFO L380 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, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:47,137 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:47,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:47,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1093992796, now seen corresponding path program 1 times [2019-10-22 11:21:47,137 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:47,137 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63635993] [2019-10-22 11:21:47,141 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,141 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:47,208 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63635993] [2019-10-22 11:21:47,208 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:47,209 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:47,209 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831073347] [2019-10-22 11:21:47,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:47,209 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:47,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:47,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:47,210 INFO L87 Difference]: Start difference. First operand 385 states and 576 transitions. Second operand 5 states. [2019-10-22 11:21:47,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:47,386 INFO L93 Difference]: Finished difference Result 1012 states and 1506 transitions. [2019-10-22 11:21:47,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:47,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-10-22 11:21:47,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:47,389 INFO L225 Difference]: With dead ends: 1012 [2019-10-22 11:21:47,389 INFO L226 Difference]: Without dead ends: 641 [2019-10-22 11:21:47,390 INFO L600 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 [2019-10-22 11:21:47,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2019-10-22 11:21:47,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 433. [2019-10-22 11:21:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2019-10-22 11:21:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 624 transitions. [2019-10-22 11:21:47,416 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 624 transitions. Word has length 44 [2019-10-22 11:21:47,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:47,416 INFO L462 AbstractCegarLoop]: Abstraction has 433 states and 624 transitions. [2019-10-22 11:21:47,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:47,416 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 624 transitions. [2019-10-22 11:21:47,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 11:21:47,417 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:47,417 INFO L380 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, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:47,422 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:47,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:47,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1352158234, now seen corresponding path program 1 times [2019-10-22 11:21:47,422 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:47,422 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355730283] [2019-10-22 11:21:47,423 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,423 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:47,458 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355730283] [2019-10-22 11:21:47,459 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:47,459 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:47,459 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992253277] [2019-10-22 11:21:47,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:47,459 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:47,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:47,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:47,460 INFO L87 Difference]: Start difference. First operand 433 states and 624 transitions. Second operand 4 states. [2019-10-22 11:21:47,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:47,580 INFO L93 Difference]: Finished difference Result 1040 states and 1486 transitions. [2019-10-22 11:21:47,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:47,581 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-10-22 11:21:47,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:47,583 INFO L225 Difference]: With dead ends: 1040 [2019-10-22 11:21:47,583 INFO L226 Difference]: Without dead ends: 621 [2019-10-22 11:21:47,583 INFO L600 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 [2019-10-22 11:21:47,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2019-10-22 11:21:47,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 465. [2019-10-22 11:21:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2019-10-22 11:21:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 656 transitions. [2019-10-22 11:21:47,613 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 656 transitions. Word has length 44 [2019-10-22 11:21:47,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:47,614 INFO L462 AbstractCegarLoop]: Abstraction has 465 states and 656 transitions. [2019-10-22 11:21:47,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:47,614 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 656 transitions. [2019-10-22 11:21:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 11:21:47,615 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:47,615 INFO L380 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, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:47,615 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:47,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:47,616 INFO L82 PathProgramCache]: Analyzing trace with hash 341040984, now seen corresponding path program 1 times [2019-10-22 11:21:47,616 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:47,616 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791014847] [2019-10-22 11:21:47,616 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,616 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:47,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:47,652 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791014847] [2019-10-22 11:21:47,652 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:47,652 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:47,652 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633370982] [2019-10-22 11:21:47,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:47,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:47,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:47,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:47,653 INFO L87 Difference]: Start difference. First operand 465 states and 656 transitions. Second operand 3 states. [2019-10-22 11:21:47,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:47,728 INFO L93 Difference]: Finished difference Result 1072 states and 1510 transitions. [2019-10-22 11:21:47,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:47,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-10-22 11:21:47,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:47,731 INFO L225 Difference]: With dead ends: 1072 [2019-10-22 11:21:47,731 INFO L226 Difference]: Without dead ends: 621 [2019-10-22 11:21:47,732 INFO L600 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 [2019-10-22 11:21:47,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2019-10-22 11:21:47,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 621. [2019-10-22 11:21:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2019-10-22 11:21:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 856 transitions. [2019-10-22 11:21:47,770 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 856 transitions. Word has length 44 [2019-10-22 11:21:47,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:47,770 INFO L462 AbstractCegarLoop]: Abstraction has 621 states and 856 transitions. [2019-10-22 11:21:47,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 856 transitions. [2019-10-22 11:21:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 11:21:47,771 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:47,772 INFO L380 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:47,772 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:47,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:47,772 INFO L82 PathProgramCache]: Analyzing trace with hash 772865075, now seen corresponding path program 1 times [2019-10-22 11:21:47,772 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:47,772 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658064061] [2019-10-22 11:21:47,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:47,816 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658064061] [2019-10-22 11:21:47,816 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:47,816 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:47,816 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328324156] [2019-10-22 11:21:47,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:47,817 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:47,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:47,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:47,817 INFO L87 Difference]: Start difference. First operand 621 states and 856 transitions. Second operand 3 states. [2019-10-22 11:21:47,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:47,895 INFO L93 Difference]: Finished difference Result 1008 states and 1401 transitions. [2019-10-22 11:21:47,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:47,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-22 11:21:47,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:47,900 INFO L225 Difference]: With dead ends: 1008 [2019-10-22 11:21:47,900 INFO L226 Difference]: Without dead ends: 1006 [2019-10-22 11:21:47,901 INFO L600 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 [2019-10-22 11:21:47,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2019-10-22 11:21:47,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 771. [2019-10-22 11:21:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-10-22 11:21:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1087 transitions. [2019-10-22 11:21:47,959 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1087 transitions. Word has length 45 [2019-10-22 11:21:47,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:47,960 INFO L462 AbstractCegarLoop]: Abstraction has 771 states and 1087 transitions. [2019-10-22 11:21:47,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1087 transitions. [2019-10-22 11:21:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 11:21:47,965 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:47,965 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1] [2019-10-22 11:21:47,965 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:47,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:47,966 INFO L82 PathProgramCache]: Analyzing trace with hash 883644073, now seen corresponding path program 1 times [2019-10-22 11:21:47,966 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:47,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740571174] [2019-10-22 11:21:47,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:47,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:48,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740571174] [2019-10-22 11:21:48,028 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:48,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:48,028 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509160718] [2019-10-22 11:21:48,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:48,028 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:48,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:48,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:48,029 INFO L87 Difference]: Start difference. First operand 771 states and 1087 transitions. Second operand 3 states. [2019-10-22 11:21:48,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:48,192 INFO L93 Difference]: Finished difference Result 1623 states and 2315 transitions. [2019-10-22 11:21:48,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:48,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2019-10-22 11:21:48,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:48,196 INFO L225 Difference]: With dead ends: 1623 [2019-10-22 11:21:48,196 INFO L226 Difference]: Without dead ends: 1022 [2019-10-22 11:21:48,197 INFO L600 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 [2019-10-22 11:21:48,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2019-10-22 11:21:48,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1020. [2019-10-22 11:21:48,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1020 states. [2019-10-22 11:21:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1419 transitions. [2019-10-22 11:21:48,257 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1419 transitions. Word has length 66 [2019-10-22 11:21:48,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:48,257 INFO L462 AbstractCegarLoop]: Abstraction has 1020 states and 1419 transitions. [2019-10-22 11:21:48,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1419 transitions. [2019-10-22 11:21:48,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 11:21:48,259 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:48,259 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1] [2019-10-22 11:21:48,259 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:48,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:48,259 INFO L82 PathProgramCache]: Analyzing trace with hash 625478635, now seen corresponding path program 1 times [2019-10-22 11:21:48,260 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:48,260 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718340270] [2019-10-22 11:21:48,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:48,260 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:48,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:48,314 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718340270] [2019-10-22 11:21:48,314 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:48,314 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:48,314 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991630590] [2019-10-22 11:21:48,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:48,315 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:48,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:48,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:48,315 INFO L87 Difference]: Start difference. First operand 1020 states and 1419 transitions. Second operand 3 states. [2019-10-22 11:21:48,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:48,448 INFO L93 Difference]: Finished difference Result 2326 states and 3260 transitions. [2019-10-22 11:21:48,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:48,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2019-10-22 11:21:48,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:48,453 INFO L225 Difference]: With dead ends: 2326 [2019-10-22 11:21:48,454 INFO L226 Difference]: Without dead ends: 1320 [2019-10-22 11:21:48,455 INFO L600 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 [2019-10-22 11:21:48,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2019-10-22 11:21:48,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2019-10-22 11:21:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2019-10-22 11:21:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1808 transitions. [2019-10-22 11:21:48,533 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1808 transitions. Word has length 66 [2019-10-22 11:21:48,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:48,533 INFO L462 AbstractCegarLoop]: Abstraction has 1320 states and 1808 transitions. [2019-10-22 11:21:48,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1808 transitions. [2019-10-22 11:21:48,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 11:21:48,535 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:48,536 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2019-10-22 11:21:48,536 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:48,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:48,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1336211215, now seen corresponding path program 1 times [2019-10-22 11:21:48,536 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:48,536 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443777990] [2019-10-22 11:21:48,537 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:48,537 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:48,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:21:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:21:49,169 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:21:49,169 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:21:49,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:49 BoogieIcfgContainer [2019-10-22 11:21:49,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:49,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:49,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:49,332 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:49,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:45" (3/4) ... [2019-10-22 11:21:49,337 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:21:49,485 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b3b19954-34b3-43cb-b8ed-80a9dff3f3f0/bin/utaipan/witness.graphml [2019-10-22 11:21:49,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:49,487 INFO L168 Benchmark]: Toolchain (without parser) took 6653.17 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 364.9 MB). Free memory was 940.5 MB in the beginning and 967.1 MB in the end (delta: -26.6 MB). Peak memory consumption was 338.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:49,487 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:49,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 940.5 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:49,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:49,488 INFO L168 Benchmark]: Boogie Preprocessor took 100.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:49,488 INFO L168 Benchmark]: RCFGBuilder took 1518.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.7 MB in the end (delta: 165.8 MB). Peak memory consumption was 165.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:49,488 INFO L168 Benchmark]: TraceAbstraction took 4229.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 966.7 MB in the beginning and 1.0 GB in the end (delta: -42.1 MB). Peak memory consumption was 146.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:49,489 INFO L168 Benchmark]: Witness Printer took 153.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 967.1 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:49,492 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 530.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 940.5 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 100.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1518.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.7 MB in the end (delta: 165.8 MB). Peak memory consumption was 165.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4229.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 966.7 MB in the beginning and 1.0 GB in the end (delta: -42.1 MB). Peak memory consumption was 146.2 MB. Max. memory is 11.5 GB. * Witness Printer took 153.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 967.1 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1087]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int __SELECTED_FEATURE_base ; [L41] int __SELECTED_FEATURE_highWaterSensor ; [L42] int __SELECTED_FEATURE_lowWaterSensor ; [L43] int __SELECTED_FEATURE_methaneQuery ; [L44] int __SELECTED_FEATURE_methaneAlarm ; [L45] int __SELECTED_FEATURE_stopCommand ; [L46] int __SELECTED_FEATURE_startCommand ; [L47] int __GUIDSL_ROOT_PRODUCTION ; [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L166] int pumpRunning = 0; [L167] int systemActive = 1; [L498] int cleanupTimeShifts = 4; [L678] int methAndRunningLastTime ; [L886] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L577] int retValue_acc ; [L578] int tmp ; [L1123] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1108] __SELECTED_FEATURE_base = 1 [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1109] __SELECTED_FEATURE_highWaterSensor = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1110] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1111] __SELECTED_FEATURE_methaneQuery = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1112] __SELECTED_FEATURE_methaneAlarm = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1113] __SELECTED_FEATURE_stopCommand = select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1114] __SELECTED_FEATURE_startCommand = select_one() [L1128] int retValue_acc ; [L1131] retValue_acc = __SELECTED_FEATURE_base [L1132] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L584] tmp = valid_product() [L586] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L683] methAndRunningLastTime = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L601] int splverifierCounter ; [L602] int tmp ; [L603] int tmp___0 ; [L604] int tmp___1 ; [L605] int tmp___2 ; [L608] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L610] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L612] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L618] tmp = __VERIFIER_nondet_int() [L620] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] COND TRUE waterLevel < 2 [L75] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] tmp___0 = __VERIFIER_nondet_int() [L630] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] COND FALSE !(\read(methaneLevelCritical)) [L89] methaneLevelCritical = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L638] tmp___2 = __VERIFIER_nondet_int() [L640] COND FALSE !(\read(tmp___2)) [L650] tmp___1 = __VERIFIER_nondet_int() [L652] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L174] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L181] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L317] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L274] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L231] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L203] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L206] COND TRUE ! pumpRunning [L437] int retValue_acc ; [L438] int tmp ; [L439] int tmp___0 ; [L136] int retValue_acc ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L139] COND FALSE !(waterLevel < 2) [L143] retValue_acc = 0 [L144] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L443] tmp = isHighWaterSensorDry() [L445] COND FALSE !(\read(tmp)) [L448] tmp___0 = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L450] retValue_acc = tmp___0 [L451] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L208] tmp = isHighWaterLevel() [L210] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L359] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L334] pumpRunning = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L688] int tmp ; [L689] int tmp___0 ; [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L693] tmp = isMethaneLevelCritical() [L695] COND TRUE \read(tmp) [L392] int retValue_acc ; [L395] retValue_acc = pumpRunning [L396] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L697] tmp___0 = isPumpRunning() [L699] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L700] COND FALSE !(\read(methAndRunningLastTime)) [L705] methAndRunningLastTime = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L610] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L612] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L618] tmp = __VERIFIER_nondet_int() [L620] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L628] tmp___0 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L638] tmp___2 = __VERIFIER_nondet_int() [L640] COND FALSE !(\read(tmp___2)) [L650] tmp___1 = __VERIFIER_nondet_int() [L652] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L174] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L62] COND TRUE waterLevel > 0 [L63] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L181] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L317] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L274] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L231] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L203] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L206] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int tmp ; [L689] int tmp___0 ; [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L693] tmp = isMethaneLevelCritical() [L695] COND TRUE \read(tmp) [L392] int retValue_acc ; [L395] retValue_acc = pumpRunning [L396] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L697] tmp___0 = isPumpRunning() [L699] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L700] COND TRUE \read(methAndRunningLastTime) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L1087] __VERIFIER_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=11, __SELECTED_FEATURE_stopCommand=19, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 474 locations, 3 error locations. Result: UNSAFE, OverallTime: 4.1s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3862 SDtfs, 5018 SDslu, 5943 SDs, 0 SdLazy, 575 SolverSat, 151 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1320occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 2248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 530 NumberOfCodeBlocks, 530 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 41200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 40/40 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 incorrect! Received shutdown request...