./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce9b192c4304b665f71871b8c27751c04bbbec40 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:32:31,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:32:31,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:32:31,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:32:31,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:32:31,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:32:31,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:32:31,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:32:31,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:32:31,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:32:31,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:32:31,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:32:31,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:32:31,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:32:31,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:32:31,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:32:31,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:32:31,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:32:31,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:32:31,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:32:31,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:32:31,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:32:31,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:32:31,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:32:31,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:32:31,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:32:31,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:32:31,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:32:31,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:32:31,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:32:31,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:32:31,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:32:31,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:32:31,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:32:31,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:32:31,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:32:31,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:32:31,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:32:31,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:32:31,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:32:31,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:32:31,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 02:32:31,249 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:32:31,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:32:31,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:32:31,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:32:31,251 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:32:31,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:32:31,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:32:31,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:32:31,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:32:31,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:32:31,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:32:31,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:32:31,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:32:31,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:32:31,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:32:31,254 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:32:31,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:32:31,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:32:31,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:32:31,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:32:31,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:32:31,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:32:31,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:32:31,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:32:31,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:32:31,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:32:31,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:32:31,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:32:31,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce9b192c4304b665f71871b8c27751c04bbbec40 [2019-11-20 02:32:31,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:32:31,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:32:31,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:32:31,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:32:31,469 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:32:31,470 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2019-11-20 02:32:31,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/data/51ee71b0f/e1a3a2d023814ce3aa132702ad09c247/FLAGe986af131 [2019-11-20 02:32:32,091 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:32:32,091 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2019-11-20 02:32:32,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/data/51ee71b0f/e1a3a2d023814ce3aa132702ad09c247/FLAGe986af131 [2019-11-20 02:32:32,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/data/51ee71b0f/e1a3a2d023814ce3aa132702ad09c247 [2019-11-20 02:32:32,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:32:32,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:32:32,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:32:32,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:32:32,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:32:32,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:32:32" (1/1) ... [2019-11-20 02:32:32,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58893178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:32, skipping insertion in model container [2019-11-20 02:32:32,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:32:32" (1/1) ... [2019-11-20 02:32:32,429 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:32:32,500 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:32:32,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:32:32,914 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:32:33,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:32:33,081 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:32:33,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33 WrapperNode [2019-11-20 02:32:33,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:32:33,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:32:33,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:32:33,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:32:33,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33" (1/1) ... [2019-11-20 02:32:33,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33" (1/1) ... [2019-11-20 02:32:33,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:32:33,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:32:33,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:32:33,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:32:33,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33" (1/1) ... [2019-11-20 02:32:33,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33" (1/1) ... [2019-11-20 02:32:33,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33" (1/1) ... [2019-11-20 02:32:33,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33" (1/1) ... [2019-11-20 02:32:33,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33" (1/1) ... [2019-11-20 02:32:33,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33" (1/1) ... [2019-11-20 02:32:33,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33" (1/1) ... [2019-11-20 02:32:33,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:32:33,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:32:33,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:32:33,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:32:33,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:32:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:32:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:32:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:32:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:32:34,253 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:32:34,253 INFO L285 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-20 02:32:34,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:32:34 BoogieIcfgContainer [2019-11-20 02:32:34,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:32:34,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:32:34,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:32:34,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:32:34,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:32:32" (1/3) ... [2019-11-20 02:32:34,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213a631d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:32:34, skipping insertion in model container [2019-11-20 02:32:34,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:33" (2/3) ... [2019-11-20 02:32:34,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213a631d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:32:34, skipping insertion in model container [2019-11-20 02:32:34,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:32:34" (3/3) ... [2019-11-20 02:32:34,274 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2019-11-20 02:32:34,283 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:32:34,289 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 02:32:34,297 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 02:32:34,327 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:32:34,327 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:32:34,328 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:32:34,328 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:32:34,328 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:32:34,328 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:32:34,328 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:32:34,329 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:32:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-11-20 02:32:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 02:32:34,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:32:34,356 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:32:34,357 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:32:34,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:32:34,363 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2019-11-20 02:32:34,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:32:34,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175330506] [2019-11-20 02:32:34,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:32:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:32:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:32:34,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175330506] [2019-11-20 02:32:34,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:32:34,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:32:34,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471697118] [2019-11-20 02:32:34,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 02:32:34,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:32:34,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 02:32:34,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:32:34,618 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-11-20 02:32:34,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:32:34,647 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-11-20 02:32:34,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:32:34,648 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-20 02:32:34,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:32:34,660 INFO L225 Difference]: With dead ends: 208 [2019-11-20 02:32:34,661 INFO L226 Difference]: Without dead ends: 103 [2019-11-20 02:32:34,664 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:32:34,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-11-20 02:32:34,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-11-20 02:32:34,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-11-20 02:32:34,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-11-20 02:32:34,718 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-11-20 02:32:34,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:32:34,719 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-11-20 02:32:34,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 02:32:34,719 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-11-20 02:32:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 02:32:34,721 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:32:34,721 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:32:34,721 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:32:34,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:32:34,722 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2019-11-20 02:32:34,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:32:34,722 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349136040] [2019-11-20 02:32:34,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:32:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:32:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:32:34,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349136040] [2019-11-20 02:32:34,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:32:34,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:32:34,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951971434] [2019-11-20 02:32:34,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:32:34,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:32:34,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:32:34,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:32:34,849 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2019-11-20 02:32:34,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:32:34,861 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-11-20 02:32:34,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:32:34,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 02:32:34,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:32:34,863 INFO L225 Difference]: With dead ends: 103 [2019-11-20 02:32:34,864 INFO L226 Difference]: Without dead ends: 45 [2019-11-20 02:32:34,865 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:32:34,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-20 02:32:34,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-20 02:32:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-20 02:32:34,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-11-20 02:32:34,871 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-11-20 02:32:34,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:32:34,872 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-11-20 02:32:34,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:32:34,872 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-11-20 02:32:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 02:32:34,873 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:32:34,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:32:34,874 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:32:34,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:32:34,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2019-11-20 02:32:34,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:32:34,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125016161] [2019-11-20 02:32:34,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:32:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:32:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:32:35,024 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125016161] [2019-11-20 02:32:35,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:32:35,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:32:35,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355207048] [2019-11-20 02:32:35,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 02:32:35,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:32:35,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 02:32:35,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 02:32:35,026 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2019-11-20 02:32:35,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:32:35,193 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2019-11-20 02:32:35,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 02:32:35,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-20 02:32:35,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:32:35,195 INFO L225 Difference]: With dead ends: 146 [2019-11-20 02:32:35,195 INFO L226 Difference]: Without dead ends: 107 [2019-11-20 02:32:35,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 02:32:35,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-20 02:32:35,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2019-11-20 02:32:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-20 02:32:35,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2019-11-20 02:32:35,209 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2019-11-20 02:32:35,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:32:35,209 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2019-11-20 02:32:35,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 02:32:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2019-11-20 02:32:35,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 02:32:35,211 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:32:35,211 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:32:35,211 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:32:35,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:32:35,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2019-11-20 02:32:35,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:32:35,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315893457] [2019-11-20 02:32:35,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:32:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:32:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:32:35,335 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315893457] [2019-11-20 02:32:35,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:32:35,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 02:32:35,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376259131] [2019-11-20 02:32:35,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:32:35,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:32:35,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:32:35,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:32:35,337 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2019-11-20 02:32:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:32:35,483 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2019-11-20 02:32:35,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 02:32:35,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 02:32:35,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:32:35,487 INFO L225 Difference]: With dead ends: 309 [2019-11-20 02:32:35,487 INFO L226 Difference]: Without dead ends: 251 [2019-11-20 02:32:35,488 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-20 02:32:35,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-11-20 02:32:35,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2019-11-20 02:32:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-20 02:32:35,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2019-11-20 02:32:35,518 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2019-11-20 02:32:35,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:32:35,519 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2019-11-20 02:32:35,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:32:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2019-11-20 02:32:35,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 02:32:35,521 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:32:35,521 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:32:35,521 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 02:32:35,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:32:35,522 INFO L82 PathProgramCache]: Analyzing trace with hash -891352514, now seen corresponding path program 1 times [2019-11-20 02:32:35,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:32:35,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8101701] [2019-11-20 02:32:35,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:32:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:32:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:32:35,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8101701] [2019-11-20 02:32:35,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:32:35,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 02:32:35,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089089626] [2019-11-20 02:32:35,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 02:32:35,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:32:35,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:32:35,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:32:35,620 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand 5 states. [2019-11-20 02:32:35,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:32:35,733 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2019-11-20 02:32:35,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:32:35,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-20 02:32:35,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:32:35,735 INFO L225 Difference]: With dead ends: 312 [2019-11-20 02:32:35,735 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 02:32:35,737 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 02:32:35,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 02:32:35,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 02:32:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 02:32:35,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:32:35,738 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-11-20 02:32:35,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:32:35,739 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:32:35,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 02:32:35,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:32:35,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:32:35,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 02:32:36,099 INFO L440 ceAbstractionStarter]: At program point L894(lines 890 896) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-11-20 02:32:36,099 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2019-11-20 02:32:36,099 INFO L440 ceAbstractionStarter]: At program point L830(lines 825 833) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-20 02:32:36,100 INFO L444 ceAbstractionStarter]: For program point L535(lines 535 541) no Hoare annotation was computed. [2019-11-20 02:32:36,100 INFO L440 ceAbstractionStarter]: At program point L535-1(lines 535 541) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:32:36,100 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2019-11-20 02:32:36,100 INFO L444 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-11-20 02:32:36,100 INFO L444 ceAbstractionStarter]: For program point L935-1(line 935) no Hoare annotation was computed. [2019-11-20 02:32:36,100 INFO L444 ceAbstractionStarter]: For program point L935-2(line 935) no Hoare annotation was computed. [2019-11-20 02:32:36,100 INFO L444 ceAbstractionStarter]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-11-20 02:32:36,101 INFO L444 ceAbstractionStarter]: For program point L642(lines 642 659) no Hoare annotation was computed. [2019-11-20 02:32:36,101 INFO L444 ceAbstractionStarter]: For program point L642-1(lines 642 659) no Hoare annotation was computed. [2019-11-20 02:32:36,101 INFO L444 ceAbstractionStarter]: For program point L642-2(lines 642 659) no Hoare annotation was computed. [2019-11-20 02:32:36,101 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 558) no Hoare annotation was computed. [2019-11-20 02:32:36,101 INFO L444 ceAbstractionStarter]: For program point L744(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,101 INFO L444 ceAbstractionStarter]: For program point L744-2(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,101 INFO L444 ceAbstractionStarter]: For program point L744-3(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,102 INFO L444 ceAbstractionStarter]: For program point L744-5(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,102 INFO L444 ceAbstractionStarter]: For program point L744-6(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,103 INFO L444 ceAbstractionStarter]: For program point L744-8(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,103 INFO L444 ceAbstractionStarter]: For program point L744-9(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,103 INFO L444 ceAbstractionStarter]: For program point L744-11(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,103 INFO L444 ceAbstractionStarter]: For program point L744-12(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,104 INFO L444 ceAbstractionStarter]: For program point L744-14(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,104 INFO L444 ceAbstractionStarter]: For program point L744-15(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,104 INFO L444 ceAbstractionStarter]: For program point L744-17(lines 744 748) no Hoare annotation was computed. [2019-11-20 02:32:36,105 INFO L444 ceAbstractionStarter]: For program point L646(lines 646 654) no Hoare annotation was computed. [2019-11-20 02:32:36,105 INFO L444 ceAbstractionStarter]: For program point L646-1(lines 646 654) no Hoare annotation was computed. [2019-11-20 02:32:36,105 INFO L444 ceAbstractionStarter]: For program point L646-2(lines 646 654) no Hoare annotation was computed. [2019-11-20 02:32:36,105 INFO L444 ceAbstractionStarter]: For program point L779(lines 779 792) no Hoare annotation was computed. [2019-11-20 02:32:36,106 INFO L440 ceAbstractionStarter]: At program point L779-1(lines 1 938) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:32:36,106 INFO L444 ceAbstractionStarter]: For program point L779-2(lines 779 792) no Hoare annotation was computed. [2019-11-20 02:32:36,107 INFO L440 ceAbstractionStarter]: At program point L779-3(lines 1 938) the Hoare annotation is: false [2019-11-20 02:32:36,107 INFO L444 ceAbstractionStarter]: For program point L779-4(lines 779 792) no Hoare annotation was computed. [2019-11-20 02:32:36,108 INFO L440 ceAbstractionStarter]: At program point L779-5(lines 1 938) the Hoare annotation is: false [2019-11-20 02:32:36,108 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 02:32:36,108 INFO L440 ceAbstractionStarter]: At program point L846-2(lines 846 860) the Hoare annotation is: false [2019-11-20 02:32:36,108 INFO L444 ceAbstractionStarter]: For program point L516(lines 515 562) no Hoare annotation was computed. [2019-11-20 02:32:36,112 INFO L444 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-11-20 02:32:36,113 INFO L444 ceAbstractionStarter]: For program point L616(lines 616 633) no Hoare annotation was computed. [2019-11-20 02:32:36,114 INFO L444 ceAbstractionStarter]: For program point L616-1(lines 616 633) no Hoare annotation was computed. [2019-11-20 02:32:36,114 INFO L444 ceAbstractionStarter]: For program point L616-2(lines 616 633) no Hoare annotation was computed. [2019-11-20 02:32:36,114 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 521) no Hoare annotation was computed. [2019-11-20 02:32:36,115 INFO L444 ceAbstractionStarter]: For program point L616-3(lines 616 633) no Hoare annotation was computed. [2019-11-20 02:32:36,115 INFO L444 ceAbstractionStarter]: For program point L616-4(lines 616 633) no Hoare annotation was computed. [2019-11-20 02:32:36,117 INFO L444 ceAbstractionStarter]: For program point L616-5(lines 616 633) no Hoare annotation was computed. [2019-11-20 02:32:36,117 INFO L440 ceAbstractionStarter]: At program point L584(lines 583 602) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:32:36,117 INFO L444 ceAbstractionStarter]: For program point L551(lines 551 557) no Hoare annotation was computed. [2019-11-20 02:32:36,118 INFO L444 ceAbstractionStarter]: For program point L584-1(lines 584 590) no Hoare annotation was computed. [2019-11-20 02:32:36,118 INFO L440 ceAbstractionStarter]: At program point L551-1(lines 584 590) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:32:36,126 INFO L440 ceAbstractionStarter]: At program point L584-2(lines 583 602) the Hoare annotation is: false [2019-11-20 02:32:36,127 INFO L440 ceAbstractionStarter]: At program point L584-3(lines 583 602) the Hoare annotation is: false [2019-11-20 02:32:36,127 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-11-20 02:32:36,127 INFO L444 ceAbstractionStarter]: For program point L419-3(lines 419 423) no Hoare annotation was computed. [2019-11-20 02:32:36,127 INFO L444 ceAbstractionStarter]: For program point L419-6(lines 419 423) no Hoare annotation was computed. [2019-11-20 02:32:36,128 INFO L444 ceAbstractionStarter]: For program point L783(lines 783 789) no Hoare annotation was computed. [2019-11-20 02:32:36,128 INFO L440 ceAbstractionStarter]: At program point L750(lines 735 753) the Hoare annotation is: false [2019-11-20 02:32:36,128 INFO L440 ceAbstractionStarter]: At program point L750-1(lines 735 753) the Hoare annotation is: false [2019-11-20 02:32:36,128 INFO L444 ceAbstractionStarter]: For program point L783-2(lines 783 789) no Hoare annotation was computed. [2019-11-20 02:32:36,128 INFO L440 ceAbstractionStarter]: At program point L750-2(lines 735 753) the Hoare annotation is: false [2019-11-20 02:32:36,129 INFO L440 ceAbstractionStarter]: At program point L750-3(lines 735 753) the Hoare annotation is: false [2019-11-20 02:32:36,129 INFO L444 ceAbstractionStarter]: For program point L783-4(lines 783 789) no Hoare annotation was computed. [2019-11-20 02:32:36,129 INFO L440 ceAbstractionStarter]: At program point L750-4(lines 735 753) the Hoare annotation is: false [2019-11-20 02:32:36,129 INFO L440 ceAbstractionStarter]: At program point L750-5(lines 735 753) the Hoare annotation is: false [2019-11-20 02:32:36,129 INFO L444 ceAbstractionStarter]: For program point L850(lines 850 854) no Hoare annotation was computed. [2019-11-20 02:32:36,129 INFO L444 ceAbstractionStarter]: For program point L850-1(lines 584 590) no Hoare annotation was computed. [2019-11-20 02:32:36,130 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 02:32:36,130 INFO L444 ceAbstractionStarter]: For program point L917(lines 917 924) no Hoare annotation was computed. [2019-11-20 02:32:36,130 INFO L447 ceAbstractionStarter]: At program point L917-1(lines 917 924) the Hoare annotation is: true [2019-11-20 02:32:36,130 INFO L440 ceAbstractionStarter]: At program point L686(lines 679 689) the Hoare annotation is: false [2019-11-20 02:32:36,130 INFO L440 ceAbstractionStarter]: At program point L686-1(lines 679 689) the Hoare annotation is: false [2019-11-20 02:32:36,131 INFO L444 ceAbstractionStarter]: For program point L620(lines 620 628) no Hoare annotation was computed. [2019-11-20 02:32:36,131 INFO L440 ceAbstractionStarter]: At program point L686-2(lines 679 689) the Hoare annotation is: false [2019-11-20 02:32:36,131 INFO L444 ceAbstractionStarter]: For program point L620-1(lines 620 628) no Hoare annotation was computed. [2019-11-20 02:32:36,131 INFO L444 ceAbstractionStarter]: For program point L620-2(lines 620 628) no Hoare annotation was computed. [2019-11-20 02:32:36,131 INFO L444 ceAbstractionStarter]: For program point L620-3(lines 620 628) no Hoare annotation was computed. [2019-11-20 02:32:36,131 INFO L444 ceAbstractionStarter]: For program point L620-4(lines 620 628) no Hoare annotation was computed. [2019-11-20 02:32:36,132 INFO L444 ceAbstractionStarter]: For program point L620-5(lines 620 628) no Hoare annotation was computed. [2019-11-20 02:32:36,132 INFO L440 ceAbstractionStarter]: At program point L456(lines 451 459) the Hoare annotation is: false [2019-11-20 02:32:36,132 INFO L440 ceAbstractionStarter]: At program point L456-1(lines 451 459) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:32:36,132 INFO L440 ceAbstractionStarter]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2019-11-20 02:32:36,132 INFO L440 ceAbstractionStarter]: At program point L456-3(lines 451 459) the Hoare annotation is: false [2019-11-20 02:32:36,133 INFO L440 ceAbstractionStarter]: At program point L456-4(lines 451 459) the Hoare annotation is: false [2019-11-20 02:32:36,133 INFO L440 ceAbstractionStarter]: At program point L456-5(lines 451 459) the Hoare annotation is: false [2019-11-20 02:32:36,133 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 02:32:36,134 INFO L440 ceAbstractionStarter]: At program point L822(lines 1 938) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-20 02:32:36,134 INFO L440 ceAbstractionStarter]: At program point L591(lines 591 597) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:32:36,134 INFO L440 ceAbstractionStarter]: At program point L591-1(lines 591 597) the Hoare annotation is: false [2019-11-20 02:32:36,135 INFO L444 ceAbstractionStarter]: For program point L525(lines 525 531) no Hoare annotation was computed. [2019-11-20 02:32:36,135 INFO L440 ceAbstractionStarter]: At program point L591-2(lines 591 597) the Hoare annotation is: false [2019-11-20 02:32:36,135 INFO L440 ceAbstractionStarter]: At program point L525-1(lines 525 531) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:32:36,135 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 764) no Hoare annotation was computed. [2019-11-20 02:32:36,135 INFO L440 ceAbstractionStarter]: At program point L758-1(lines 758 764) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:32:36,136 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 02:32:36,136 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2019-11-20 02:32:36,136 INFO L447 ceAbstractionStarter]: At program point L926(lines 907 929) the Hoare annotation is: true [2019-11-20 02:32:36,136 INFO L440 ceAbstractionStarter]: At program point L695(lines 690 698) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 02:32:36,137 INFO L440 ceAbstractionStarter]: At program point L695-1(lines 690 698) the Hoare annotation is: false [2019-11-20 02:32:36,137 INFO L440 ceAbstractionStarter]: At program point L695-2(lines 690 698) the Hoare annotation is: false [2019-11-20 02:32:36,137 INFO L440 ceAbstractionStarter]: At program point L563(lines 514 564) the Hoare annotation is: false [2019-11-20 02:32:36,137 INFO L440 ceAbstractionStarter]: At program point L497(lines 492 500) the Hoare annotation is: false [2019-11-20 02:32:36,137 INFO L440 ceAbstractionStarter]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2019-11-20 02:32:36,138 INFO L444 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-11-20 02:32:36,138 INFO L440 ceAbstractionStarter]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2019-11-20 02:32:36,138 INFO L440 ceAbstractionStarter]: At program point L497-3(lines 492 500) the Hoare annotation is: false [2019-11-20 02:32:36,138 INFO L440 ceAbstractionStarter]: At program point L497-4(lines 492 500) the Hoare annotation is: false [2019-11-20 02:32:36,138 INFO L440 ceAbstractionStarter]: At program point L497-5(lines 492 500) the Hoare annotation is: false [2019-11-20 02:32:36,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:32:36 BoogieIcfgContainer [2019-11-20 02:32:36,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:32:36,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:32:36,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:32:36,168 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:32:36,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:32:34" (3/4) ... [2019-11-20 02:32:36,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:32:36,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 02:32:36,204 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 02:32:36,205 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 02:32:36,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 02:32:36,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:32:36,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:32:36,263 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-11-20 02:32:36,263 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-11-20 02:32:36,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 02:32:36,401 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_21059c1b-8122-4fc2-9b15-83f63f328cbc/bin/uautomizer/witness.graphml [2019-11-20 02:32:36,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:32:36,404 INFO L168 Benchmark]: Toolchain (without parser) took 3989.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 950.0 MB in the beginning and 876.1 MB in the end (delta: 73.9 MB). Peak memory consumption was 210.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:36,404 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:32:36,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:36,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:32:36,408 INFO L168 Benchmark]: Boogie Preprocessor took 86.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:36,409 INFO L168 Benchmark]: RCFGBuilder took 1020.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:36,409 INFO L168 Benchmark]: TraceAbstraction took 1911.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 889.6 MB in the end (delta: 147.9 MB). Peak memory consumption was 147.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:36,410 INFO L168 Benchmark]: Witness Printer took 233.89 ms. Allocated memory is still 1.2 GB. Free memory was 889.6 MB in the beginning and 876.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:32:36,412 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 668.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.20 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 1020.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1911.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 889.6 MB in the end (delta: 147.9 MB). Peak memory consumption was 147.9 MB. Max. memory is 11.5 GB. * Witness Printer took 233.89 ms. Allocated memory is still 1.2 GB. Free memory was 889.6 MB in the beginning and 876.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 935]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 935]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 935]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 432 SDtfs, 610 SDslu, 653 SDs, 0 SdLazy, 82 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 137 HoareAnnotationTreeSize, 44 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4976 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...