./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/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 62215579489c65348c20dcb35d4d11bc17ff5b74 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:52:33,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:52:33,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:52:33,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:52:33,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:52:33,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:52:33,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:52:33,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:52:33,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:52:33,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:52:33,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:52:33,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:52:33,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:52:33,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:52:33,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:52:33,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:52:33,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:52:33,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:52:33,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:52:33,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:52:33,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:52:33,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:52:33,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:52:33,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:52:33,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:52:33,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:52:33,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:52:33,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:52:33,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:52:33,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:52:33,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:52:33,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:52:33,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:52:33,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:52:33,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:52:33,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:52:33,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:52:33,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:52:33,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:52:33,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:52:33,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:52:33,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:52:33,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:52:33,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:52:33,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:52:33,262 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:52:33,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:52:33,263 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:52:33,263 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:52:33,263 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:52:33,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:52:33,264 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:52:33,264 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:52:33,264 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:52:33,264 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:52:33,265 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:52:33,265 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:52:33,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:52:33,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:52:33,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:52:33,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:52:33,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:52:33,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:52:33,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:52:33,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:52:33,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:52:33,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:52:33,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:52:33,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:52:33,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:52:33,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:52:33,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:52:33,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:52:33,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:52:33,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:52:33,276 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:52:33,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:52:33,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:52:33,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:52:33,277 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/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/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 -> 62215579489c65348c20dcb35d4d11bc17ff5b74 [2019-11-26 02:52:33,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:52:33,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:52:33,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:52:33,429 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:52:33,430 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:52:33,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2019-11-26 02:52:33,483 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/data/ba2debd31/2810a9c2119d49b48c1ef5e11a0ca3ed/FLAG8433fef43 [2019-11-26 02:52:34,030 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:52:34,031 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2019-11-26 02:52:34,043 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/data/ba2debd31/2810a9c2119d49b48c1ef5e11a0ca3ed/FLAG8433fef43 [2019-11-26 02:52:34,450 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/data/ba2debd31/2810a9c2119d49b48c1ef5e11a0ca3ed [2019-11-26 02:52:34,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:52:34,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:52:34,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:34,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:52:34,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:52:34,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:34" (1/1) ... [2019-11-26 02:52:34,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a424f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:34, skipping insertion in model container [2019-11-26 02:52:34,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:34" (1/1) ... [2019-11-26 02:52:34,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:52:34,512 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:52:34,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:34,938 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:52:35,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:35,033 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:52:35,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35 WrapperNode [2019-11-26 02:52:35,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:35,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:35,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:52:35,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:52:35,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35" (1/1) ... [2019-11-26 02:52:35,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35" (1/1) ... [2019-11-26 02:52:35,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:35,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:52:35,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:52:35,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:52:35,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35" (1/1) ... [2019-11-26 02:52:35,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35" (1/1) ... [2019-11-26 02:52:35,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35" (1/1) ... [2019-11-26 02:52:35,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35" (1/1) ... [2019-11-26 02:52:35,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35" (1/1) ... [2019-11-26 02:52:35,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35" (1/1) ... [2019-11-26 02:52:35,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35" (1/1) ... [2019-11-26 02:52:35,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:52:35,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:52:35,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:52:35,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:52:35,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/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 [2019-11-26 02:52:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:52:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:52:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:52:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:52:39,241 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:52:39,241 INFO L284 CfgBuilder]: Removed 348 assume(true) statements. [2019-11-26 02:52:39,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:39 BoogieIcfgContainer [2019-11-26 02:52:39,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:52:39,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:52:39,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:52:39,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:52:39,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:52:34" (1/3) ... [2019-11-26 02:52:39,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214c974a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:52:39, skipping insertion in model container [2019-11-26 02:52:39,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:35" (2/3) ... [2019-11-26 02:52:39,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214c974a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:52:39, skipping insertion in model container [2019-11-26 02:52:39,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:39" (3/3) ... [2019-11-26 02:52:39,250 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2019-11-26 02:52:39,258 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:52:39,265 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:52:39,275 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:52:39,302 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:52:39,302 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:52:39,302 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:52:39,302 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:52:39,302 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:52:39,303 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:52:39,303 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:52:39,303 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:52:39,320 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:52:39,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:52:39,327 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:52:39,328 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:52:39,329 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:52:39,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:52:39,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1157574490, now seen corresponding path program 1 times [2019-11-26 02:52:39,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:52:39,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104032572] [2019-11-26 02:52:39,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:52:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:52:39,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:52:39,754 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104032572] [2019-11-26 02:52:39,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:52:39,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:52:39,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203224562] [2019-11-26 02:52:39,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:52:39,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:52:39,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:52:39,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:52:39,774 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-26 02:52:39,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:52:39,890 INFO L93 Difference]: Finished difference Result 67 states and 94 transitions. [2019-11-26 02:52:39,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-26 02:52:39,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 02:52:39,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:52:39,902 INFO L225 Difference]: With dead ends: 67 [2019-11-26 02:52:39,902 INFO L226 Difference]: Without dead ends: 31 [2019-11-26 02:52:39,907 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:52:39,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-26 02:52:39,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 24. [2019-11-26 02:52:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 02:52:39,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-11-26 02:52:39,947 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2019-11-26 02:52:39,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:52:39,948 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-11-26 02:52:39,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:52:39,948 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-11-26 02:52:39,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:52:39,948 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:52:39,949 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-26 02:52:39,949 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:52:39,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:52:39,950 INFO L82 PathProgramCache]: Analyzing trace with hash -83590710, now seen corresponding path program 1 times [2019-11-26 02:52:39,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:52:39,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451037918] [2019-11-26 02:52:39,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:52:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:52:40,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:52:40,348 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451037918] [2019-11-26 02:52:40,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100015068] [2019-11-26 02:52:40,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:52:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:52:40,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-26 02:52:40,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:52:40,900 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2019-11-26 02:52:41,049 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,075 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,179 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,181 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,186 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,199 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,202 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,207 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,212 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,213 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,220 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,229 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,231 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,240 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,247 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,249 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,250 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,269 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:52:41,419 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:52:41,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,488 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,490 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,515 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,645 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,648 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 02:52:41,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 02:52:41,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,714 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 02:52:41,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,727 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,729 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,735 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,749 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 02:52:41,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,761 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 02:52:41,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,784 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,794 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-26 02:52:41,800 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:52:41,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:52:41,837 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [560435599] [2019-11-26 02:52:41,868 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:52:41,868 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:52:41,882 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:52:41,891 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:52:41,892 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:52:50,830 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-26 02:52:52,570 WARN L192 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-26 02:52:52,709 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-11-26 02:52:53,272 WARN L192 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 598 [2019-11-26 02:52:54,429 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:52:56,254 WARN L192 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 402 DAG size of output: 212 [2019-11-26 02:53:00,297 WARN L192 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 484 DAG size of output: 429 [2019-11-26 02:53:01,397 WARN L192 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 149 [2019-11-26 02:53:03,662 WARN L192 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 390 DAG size of output: 288 [2019-11-26 02:53:05,388 WARN L192 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 400 DAG size of output: 223 [2019-11-26 02:53:05,391 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:53:05,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:53:05,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2019-11-26 02:53:05,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036778390] [2019-11-26 02:53:05,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-26 02:53:05,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:05,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-26 02:53:05,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2019-11-26 02:53:05,395 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 15 states. [2019-11-26 02:53:05,684 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-11-26 02:53:06,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:06,074 INFO L93 Difference]: Finished difference Result 54 states and 70 transitions. [2019-11-26 02:53:06,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-26 02:53:06,074 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 10 [2019-11-26 02:53:06,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:06,075 INFO L225 Difference]: With dead ends: 54 [2019-11-26 02:53:06,075 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:53:06,076 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2019-11-26 02:53:06,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:53:06,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:53:06,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:53:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:53:06,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-26 02:53:06,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:06,077 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:53:06,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-26 02:53:06,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:53:06,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:53:06,277 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:53:06,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:53:06,774 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 33 [2019-11-26 02:53:07,027 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:53:07,027 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-26 02:53:07,027 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-26 02:53:07,027 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-26 02:53:07,027 INFO L440 ceAbstractionStarter]: At program point L913-2(lines 913 927) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0))) (let ((.cse0 (or (and (not (= 1 ~waterLevel~0)) (not (= 0 ~waterLevel~0)) (not (= (+ ~waterLevel~0 1) 0))) .cse3)) (.cse1 (or .cse3 (not (= 0 ~systemActive~0)))) (.cse2 (or (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) (= ~pumpRunning~0 1)) .cse3))) (or (and (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3) .cse0 .cse1 .cse2) (and (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) .cse0 .cse1 .cse2)))) [2019-11-26 02:53:07,028 INFO L440 ceAbstractionStarter]: At program point L518(lines 518 531) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (and (not (= 1 ~waterLevel~0)) (not (= 0 ~waterLevel~0)) (not (= (+ ~waterLevel~0 1) 0))) .cse0) (or .cse0 (not (= 0 ~systemActive~0))) (or (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) (= ~pumpRunning~0 1)) .cse0))) [2019-11-26 02:53:07,028 INFO L440 ceAbstractionStarter]: At program point L518-1(lines 1 996) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse2 (or (and (not .cse0) (not (= 0 ~waterLevel~0)) (not (= (+ ~waterLevel~0 1) 0))) .cse1)) (.cse3 (or .cse1 (not (= 0 ~systemActive~0)))) (.cse4 (or (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) (= ~pumpRunning~0 1)) .cse1))) (or (and (= 1 ~systemActive~0) .cse0 .cse1) (and (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3) .cse2 .cse3 .cse4) (and (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) .cse2 .cse3 .cse4)))) [2019-11-26 02:53:07,028 INFO L440 ceAbstractionStarter]: At program point L518-2(lines 518 531) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (and (not (= 1 ~waterLevel~0)) (not (= 0 ~waterLevel~0)) (not (= (+ ~waterLevel~0 1) 0))) .cse0) (or .cse0 (not (= 0 ~systemActive~0))) (or (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) (= ~pumpRunning~0 1)) .cse0))) [2019-11-26 02:53:07,028 INFO L440 ceAbstractionStarter]: At program point L518-3(lines 1 996) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0))) (let ((.cse0 (or (and (not (= 1 ~waterLevel~0)) (not (= 0 ~waterLevel~0)) (not (= (+ ~waterLevel~0 1) 0))) .cse3)) (.cse1 (or .cse3 (not (= 0 ~systemActive~0)))) (.cse2 (or (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) (= ~pumpRunning~0 1)) .cse3))) (or (and (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3) .cse0 .cse1 .cse2) (and (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) .cse0 .cse1 .cse2)))) [2019-11-26 02:53:07,028 INFO L440 ceAbstractionStarter]: At program point L518-4(lines 518 531) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (and (not (= 1 ~waterLevel~0)) (not (= 0 ~waterLevel~0)) (not (= (+ ~waterLevel~0 1) 0))) .cse0) (or .cse0 (not (= 0 ~systemActive~0))) (or (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) (= ~pumpRunning~0 1)) .cse0))) [2019-11-26 02:53:07,028 INFO L440 ceAbstractionStarter]: At program point L518-5(lines 1 996) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0))) (let ((.cse0 (or (and (not (= 1 ~waterLevel~0)) (not (= 0 ~waterLevel~0)) (not (= (+ ~waterLevel~0 1) 0))) .cse3)) (.cse1 (or .cse3 (not (= 0 ~systemActive~0)))) (.cse2 (or (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) (= ~pumpRunning~0 1)) .cse3))) (or (and (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3) .cse0 .cse1 .cse2) (and (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) .cse0 .cse1 .cse2)))) [2019-11-26 02:53:07,029 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:53:07,029 INFO L440 ceAbstractionStarter]: At program point L917(lines 917 921) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0))) (let ((.cse0 (or (and (not (= 1 ~waterLevel~0)) (not (= 0 ~waterLevel~0)) (not (= (+ ~waterLevel~0 1) 0))) .cse3)) (.cse1 (or .cse3 (not (= 0 ~systemActive~0)))) (.cse2 (or (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) (= ~pumpRunning~0 1)) .cse3))) (or (and (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3) .cse0 .cse1 .cse2) (and (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) .cse0 .cse1 .cse2)))) [2019-11-26 02:53:07,029 INFO L440 ceAbstractionStarter]: At program point L984(lines 984 991) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-26 02:53:07,029 INFO L447 ceAbstractionStarter]: At program point L984-1(lines 984 991) the Hoare annotation is: true [2019-11-26 02:53:07,029 INFO L444 ceAbstractionStarter]: For program point L522(lines 522 528) no Hoare annotation was computed. [2019-11-26 02:53:07,029 INFO L444 ceAbstractionStarter]: For program point L522-2(lines 522 528) no Hoare annotation was computed. [2019-11-26 02:53:07,029 INFO L444 ceAbstractionStarter]: For program point L522-4(lines 522 528) no Hoare annotation was computed. [2019-11-26 02:53:07,029 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:53:07,030 INFO L440 ceAbstractionStarter]: At program point L397(lines 350 398) the Hoare annotation is: (let ((.cse3 (= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse0 (or (and (not .cse3) (not (= 0 ~waterLevel~0)) (not (= (+ ~waterLevel~0 1) 0))) .cse4)) (.cse1 (or .cse4 (not (= 0 ~systemActive~0)))) (.cse2 (or (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) (= ~pumpRunning~0 1)) .cse4))) (or (and (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3) .cse0 .cse1 .cse2) (and .cse3 .cse4) (and (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) .cse0 .cse1 .cse2)))) [2019-11-26 02:53:07,030 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-26 02:53:07,030 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:53:07,030 INFO L440 ceAbstractionStarter]: At program point L352(lines 351 396) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse2 (or (and (not .cse0) (not (= 0 ~waterLevel~0)) (not (= (+ ~waterLevel~0 1) 0))) .cse1)) (.cse3 (or .cse1 (not (= 0 ~systemActive~0)))) (.cse4 (or (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) (= ~pumpRunning~0 1)) .cse1))) (or (and (= 1 ~systemActive~0) .cse0 .cse1) (and (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3) .cse2 .cse3 .cse4) (and (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) .cse2 .cse3 .cse4)))) [2019-11-26 02:53:07,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:53:07 BoogieIcfgContainer [2019-11-26 02:53:07,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:53:07,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:53:07,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:53:07,062 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:53:07,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:39" (3/4) ... [2019-11-26 02:53:07,066 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:53:07,096 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 211 nodes and edges [2019-11-26 02:53:07,099 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2019-11-26 02:53:07,101 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-26 02:53:07,104 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:53:07,106 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:53:07,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:53:07,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:53:07,279 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_27ce3b09-a2ba-4fff-a721-030e09812e09/bin/utaipan/witness.graphml [2019-11-26 02:53:07,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:53:07,281 INFO L168 Benchmark]: Toolchain (without parser) took 32827.05 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 777.0 MB). Free memory was 944.7 MB in the beginning and 1.7 GB in the end (delta: -715.3 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:07,281 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:07,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:07,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:07,282 INFO L168 Benchmark]: Boogie Preprocessor took 111.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:07,282 INFO L168 Benchmark]: RCFGBuilder took 3998.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 99.1 MB). Free memory was 1.1 GB in the beginning and 952.9 MB in the end (delta: 125.0 MB). Peak memory consumption was 325.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:07,283 INFO L168 Benchmark]: TraceAbstraction took 27818.32 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 567.8 MB). Free memory was 952.9 MB in the beginning and 1.7 GB in the end (delta: -731.7 MB). Peak memory consumption was 602.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:07,283 INFO L168 Benchmark]: Witness Printer took 217.37 ms. Allocated memory is still 1.8 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:07,285 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 579.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3998.26 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 99.1 MB). Free memory was 1.1 GB in the beginning and 952.9 MB in the end (delta: 125.0 MB). Peak memory consumption was 325.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27818.32 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 567.8 MB). Free memory was 952.9 MB in the beginning and 1.7 GB in the end (delta: -731.7 MB). Peak memory consumption was 602.6 MB. Max. memory is 11.5 GB. * Witness Printer took 217.37 ms. Allocated memory is still 1.8 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: ((((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == tmp___0 && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) || (((!(0 == tmp) && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) - InvariantResult [Line: 984]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((0 == tmp___0 && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) || (1 == waterLevel && pumpRunning == 0)) || (((!(0 == tmp) && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: ((((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0) - InvariantResult [Line: 984]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == tmp___0 && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) || (((!(0 == tmp) && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) || (((0 == tmp___0 && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0))) || (((!(0 == tmp) && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: (((0 == tmp___0 && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) || (((!(0 == tmp) && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: ((((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) || (((0 == tmp___0 && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0))) || (((!(0 == tmp) && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (((0 == tmp___0 && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) || (((!(0 == tmp) && (((!(1 == waterLevel) && !(0 == waterLevel)) && !(waterLevel + 1 == 0)) || pumpRunning == 0)) && (pumpRunning == 0 || !(0 == systemActive))) && ((2 <= tmp && pumpRunning == 1) || pumpRunning == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 27.7s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 40 SDtfs, 172 SDslu, 119 SDs, 0 SdLazy, 153 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 12.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 54 NumberOfFragments, 758 HoareAnnotationTreeSize, 13 FomulaSimplifications, 91 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 675 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 5175 SizeOfPredicates, 85 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...