./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/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 d073e73520d645b8f7658ef35479d738282f57bd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:47,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:47,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:47,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:47,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:47,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:47,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:47,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:47,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:47,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:47,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:47,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:47,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:47,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:47,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:47,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:47,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:47,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:47,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:47,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:47,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:47,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:47,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:47,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:47,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:47,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:47,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:47,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:47,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:47,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:47,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:47,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:47,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:47,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:47,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:47,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:47,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:47,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:47,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:47,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:47,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:47,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:54:47,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:47,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:47,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:47,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:47,349 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:47,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:47,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:47,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:47,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:47,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:47,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:54:47,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:54:47,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:54:47,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:47,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:47,350 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:47,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:54:47,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:47,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:47,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:54:47,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:54:47,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:54:47,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:47,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:54:47,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:54:47,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:47,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:54:47,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:54:47,352 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/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/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 -> d073e73520d645b8f7658ef35479d738282f57bd [2019-10-22 08:54:47,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:47,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:47,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:47,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:47,403 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:47,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2019-10-22 08:54:47,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/bin/uautomizer/data/a93294bb8/48533871c7404b0fabff72a37008e037/FLAGa84c92364 [2019-10-22 08:54:47,877 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:47,878 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2019-10-22 08:54:47,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/bin/uautomizer/data/a93294bb8/48533871c7404b0fabff72a37008e037/FLAGa84c92364 [2019-10-22 08:54:48,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/bin/uautomizer/data/a93294bb8/48533871c7404b0fabff72a37008e037 [2019-10-22 08:54:48,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:48,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:48,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:48,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:48,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:48,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:48" (1/1) ... [2019-10-22 08:54:48,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350c055c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48, skipping insertion in model container [2019-10-22 08:54:48,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:48" (1/1) ... [2019-10-22 08:54:48,264 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:48,314 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:48,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:48,695 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:48,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:48,808 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:48,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48 WrapperNode [2019-10-22 08:54:48,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:48,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:48,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:48,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:48,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48" (1/1) ... [2019-10-22 08:54:48,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48" (1/1) ... [2019-10-22 08:54:48,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:48,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:48,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:48,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:48,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48" (1/1) ... [2019-10-22 08:54:48,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48" (1/1) ... [2019-10-22 08:54:48,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48" (1/1) ... [2019-10-22 08:54:48,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48" (1/1) ... [2019-10-22 08:54:48,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48" (1/1) ... [2019-10-22 08:54:48,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48" (1/1) ... [2019-10-22 08:54:48,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48" (1/1) ... [2019-10-22 08:54:48,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:48,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:48,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:48,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:48,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/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 [2019-10-22 08:54:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:54:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:54:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:49,599 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:49,599 INFO L284 CfgBuilder]: Removed 104 assume(true) statements. [2019-10-22 08:54:49,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:49 BoogieIcfgContainer [2019-10-22 08:54:49,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:49,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:54:49,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:54:49,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:54:49,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:54:48" (1/3) ... [2019-10-22 08:54:49,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125c25f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:49, skipping insertion in model container [2019-10-22 08:54:49,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:48" (2/3) ... [2019-10-22 08:54:49,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125c25f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:54:49, skipping insertion in model container [2019-10-22 08:54:49,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:49" (3/3) ... [2019-10-22 08:54:49,607 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2019-10-22 08:54:49,618 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:54:49,625 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:54:49,634 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:54:49,655 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:54:49,655 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:54:49,655 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:54:49,656 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:49,656 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:49,656 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:54:49,656 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:49,656 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:54:49,670 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-10-22 08:54:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:54:49,675 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:49,676 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:49,682 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:49,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:49,688 INFO L82 PathProgramCache]: Analyzing trace with hash 312412164, now seen corresponding path program 1 times [2019-10-22 08:54:49,695 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:49,696 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184906769] [2019-10-22 08:54:49,696 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:49,696 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:49,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:49,933 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184906769] [2019-10-22 08:54:49,933 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:49,934 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:54:49,934 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976265610] [2019-10-22 08:54:49,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:54:49,938 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:49,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:54:49,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:49,952 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-10-22 08:54:49,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:49,973 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2019-10-22 08:54:49,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:54:49,975 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:54:49,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:49,985 INFO L225 Difference]: With dead ends: 143 [2019-10-22 08:54:49,985 INFO L226 Difference]: Without dead ends: 71 [2019-10-22 08:54:49,988 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:54:50,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-22 08:54:50,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-22 08:54:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-22 08:54:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2019-10-22 08:54:50,037 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2019-10-22 08:54:50,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:50,037 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2019-10-22 08:54:50,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:54:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2019-10-22 08:54:50,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:54:50,038 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:50,038 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:50,039 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:50,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:50,039 INFO L82 PathProgramCache]: Analyzing trace with hash 93576195, now seen corresponding path program 1 times [2019-10-22 08:54:50,039 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:50,040 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382866722] [2019-10-22 08:54:50,040 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:50,040 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:50,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:50,144 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382866722] [2019-10-22 08:54:50,144 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:50,144 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:50,144 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299735722] [2019-10-22 08:54:50,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:50,146 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:50,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:50,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:50,146 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2019-10-22 08:54:50,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:50,156 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2019-10-22 08:54:50,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:50,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:54:50,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:50,157 INFO L225 Difference]: With dead ends: 71 [2019-10-22 08:54:50,157 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 08:54:50,158 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:50,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 08:54:50,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-22 08:54:50,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-22 08:54:50,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-10-22 08:54:50,162 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-10-22 08:54:50,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:50,162 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-10-22 08:54:50,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:50,163 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-10-22 08:54:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:54:50,163 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:50,163 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:50,164 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:50,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:50,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2019-10-22 08:54:50,164 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:50,164 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782286670] [2019-10-22 08:54:50,164 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:50,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:50,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:50,232 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782286670] [2019-10-22 08:54:50,232 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:50,232 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:54:50,232 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899809489] [2019-10-22 08:54:50,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:54:50,233 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:50,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:54:50,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:50,234 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2019-10-22 08:54:50,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:50,273 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2019-10-22 08:54:50,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:54:50,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 08:54:50,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:50,275 INFO L225 Difference]: With dead ends: 91 [2019-10-22 08:54:50,275 INFO L226 Difference]: Without dead ends: 63 [2019-10-22 08:54:50,276 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:54:50,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-10-22 08:54:50,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2019-10-22 08:54:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-10-22 08:54:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2019-10-22 08:54:50,290 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2019-10-22 08:54:50,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:50,290 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2019-10-22 08:54:50,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:54:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2019-10-22 08:54:50,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 08:54:50,291 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:50,291 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:50,292 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:50,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:50,292 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2019-10-22 08:54:50,292 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:50,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590117199] [2019-10-22 08:54:50,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:50,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:50,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:50,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590117199] [2019-10-22 08:54:50,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:50,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:54:50,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148863714] [2019-10-22 08:54:50,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:54:50,390 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:50,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:54:50,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:50,391 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 5 states. [2019-10-22 08:54:50,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:50,517 INFO L93 Difference]: Finished difference Result 265 states and 407 transitions. [2019-10-22 08:54:50,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:54:50,520 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 08:54:50,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:50,521 INFO L225 Difference]: With dead ends: 265 [2019-10-22 08:54:50,521 INFO L226 Difference]: Without dead ends: 213 [2019-10-22 08:54:50,522 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:54:50,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-10-22 08:54:50,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 103. [2019-10-22 08:54:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-22 08:54:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2019-10-22 08:54:50,539 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 25 [2019-10-22 08:54:50,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:50,542 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2019-10-22 08:54:50,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:54:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2019-10-22 08:54:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:54:50,543 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:54:50,543 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:50,543 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:54:50,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:50,544 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2019-10-22 08:54:50,544 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:50,544 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501403100] [2019-10-22 08:54:50,544 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:50,544 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:50,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:50,634 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501403100] [2019-10-22 08:54:50,634 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:54:50,635 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:54:50,635 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699677849] [2019-10-22 08:54:50,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:54:50,635 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:54:50,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:54:50,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:54:50,636 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 5 states. [2019-10-22 08:54:50,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:54:50,732 INFO L93 Difference]: Finished difference Result 299 states and 448 transitions. [2019-10-22 08:54:50,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:54:50,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 08:54:50,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:54:50,735 INFO L225 Difference]: With dead ends: 299 [2019-10-22 08:54:50,735 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:54:50,736 INFO L600 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 [2019-10-22 08:54:50,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:54:50,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:54:50,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:54:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:54:50,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-10-22 08:54:50,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:54:50,738 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:50,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:54:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:54:50,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:54:50,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:54:50,967 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-22 08:54:50,967 INFO L443 ceAbstractionStarter]: For program point L448-1(line 448) no Hoare annotation was computed. [2019-10-22 08:54:50,967 INFO L439 ceAbstractionStarter]: At program point L894(lines 889 896) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:50,967 INFO L443 ceAbstractionStarter]: For program point L448-2(line 448) no Hoare annotation was computed. [2019-10-22 08:54:50,967 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2019-10-22 08:54:50,968 INFO L443 ceAbstractionStarter]: For program point L465-3(lines 465 469) no Hoare annotation was computed. [2019-10-22 08:54:50,968 INFO L443 ceAbstractionStarter]: For program point L465-6(lines 465 469) no Hoare annotation was computed. [2019-10-22 08:54:50,968 INFO L439 ceAbstractionStarter]: At program point L746(lines 739 749) the Hoare annotation is: false [2019-10-22 08:54:50,968 INFO L439 ceAbstractionStarter]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2019-10-22 08:54:50,968 INFO L439 ceAbstractionStarter]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2019-10-22 08:54:50,968 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:54:50,968 INFO L439 ceAbstractionStarter]: At program point L879(lines 828 880) the Hoare annotation is: false [2019-10-22 08:54:50,969 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2019-10-22 08:54:50,969 INFO L443 ceAbstractionStarter]: For program point L830(lines 829 878) no Hoare annotation was computed. [2019-10-22 08:54:50,969 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2019-10-22 08:54:50,969 INFO L439 ceAbstractionStarter]: At program point L600(lines 596 602) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:50,969 INFO L439 ceAbstractionStarter]: At program point L551-2(lines 551 565) the Hoare annotation is: false [2019-10-22 08:54:50,969 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 805) no Hoare annotation was computed. [2019-10-22 08:54:50,970 INFO L439 ceAbstractionStarter]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:50,970 INFO L439 ceAbstractionStarter]: At program point L502(lines 497 505) the Hoare annotation is: false [2019-10-22 08:54:50,970 INFO L439 ceAbstractionStarter]: At program point L502-1(lines 497 505) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:50,970 INFO L439 ceAbstractionStarter]: At program point L502-2(lines 497 505) the Hoare annotation is: false [2019-10-22 08:54:50,970 INFO L439 ceAbstractionStarter]: At program point L502-3(lines 497 505) the Hoare annotation is: false [2019-10-22 08:54:50,970 INFO L439 ceAbstractionStarter]: At program point L502-4(lines 497 505) the Hoare annotation is: false [2019-10-22 08:54:50,971 INFO L443 ceAbstractionStarter]: For program point L849(lines 849 855) no Hoare annotation was computed. [2019-10-22 08:54:50,971 INFO L439 ceAbstractionStarter]: At program point L502-5(lines 497 505) the Hoare annotation is: false [2019-10-22 08:54:50,971 INFO L439 ceAbstractionStarter]: At program point L849-1(lines 849 855) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:50,971 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:50,971 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-10-22 08:54:50,971 INFO L446 ceAbstractionStarter]: At program point L635(lines 616 638) the Hoare annotation is: true [2019-10-22 08:54:50,972 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 702) no Hoare annotation was computed. [2019-10-22 08:54:50,972 INFO L443 ceAbstractionStarter]: For program point L685-1(lines 685 702) no Hoare annotation was computed. [2019-10-22 08:54:50,972 INFO L443 ceAbstractionStarter]: For program point L685-2(lines 685 702) no Hoare annotation was computed. [2019-10-22 08:54:50,972 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 873) no Hoare annotation was computed. [2019-10-22 08:54:50,972 INFO L439 ceAbstractionStarter]: At program point L867-1(lines 653 659) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:50,972 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:54:50,972 INFO L439 ceAbstractionStarter]: At program point L653(lines 652 671) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:50,973 INFO L443 ceAbstractionStarter]: For program point L653-1(lines 653 659) no Hoare annotation was computed. [2019-10-22 08:54:50,973 INFO L439 ceAbstractionStarter]: At program point L653-2(lines 652 671) the Hoare annotation is: false [2019-10-22 08:54:50,973 INFO L439 ceAbstractionStarter]: At program point L653-3(lines 652 671) the Hoare annotation is: false [2019-10-22 08:54:50,973 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2019-10-22 08:54:50,973 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2019-10-22 08:54:50,973 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 653 659) no Hoare annotation was computed. [2019-10-22 08:54:50,974 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2019-10-22 08:54:50,974 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:54:50,974 INFO L439 ceAbstractionStarter]: At program point L755(lines 750 758) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:50,974 INFO L439 ceAbstractionStarter]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2019-10-22 08:54:50,974 INFO L443 ceAbstractionStarter]: For program point L689(lines 689 697) no Hoare annotation was computed. [2019-10-22 08:54:50,974 INFO L439 ceAbstractionStarter]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2019-10-22 08:54:50,974 INFO L443 ceAbstractionStarter]: For program point L689-1(lines 689 697) no Hoare annotation was computed. [2019-10-22 08:54:50,975 INFO L443 ceAbstractionStarter]: For program point L689-2(lines 689 697) no Hoare annotation was computed. [2019-10-22 08:54:50,975 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 922) no Hoare annotation was computed. [2019-10-22 08:54:50,975 INFO L439 ceAbstractionStarter]: At program point L905-1(lines 1 925) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:50,975 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-10-22 08:54:50,975 INFO L443 ceAbstractionStarter]: For program point L905-2(lines 905 922) no Hoare annotation was computed. [2019-10-22 08:54:50,975 INFO L439 ceAbstractionStarter]: At program point L839-1(lines 839 845) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:50,975 INFO L439 ceAbstractionStarter]: At program point L905-3(lines 1 925) the Hoare annotation is: false [2019-10-22 08:54:50,976 INFO L443 ceAbstractionStarter]: For program point L905-4(lines 905 922) no Hoare annotation was computed. [2019-10-22 08:54:50,976 INFO L439 ceAbstractionStarter]: At program point L905-5(lines 1 925) the Hoare annotation is: false [2019-10-22 08:54:50,976 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 481) no Hoare annotation was computed. [2019-10-22 08:54:50,976 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 633) no Hoare annotation was computed. [2019-10-22 08:54:50,976 INFO L446 ceAbstractionStarter]: At program point L626-1(lines 626 633) the Hoare annotation is: true [2019-10-22 08:54:50,976 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 925) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-22 08:54:50,976 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:54:50,977 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2019-10-22 08:54:50,977 INFO L439 ceAbstractionStarter]: At program point L660(lines 660 666) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:54:50,977 INFO L439 ceAbstractionStarter]: At program point L660-1(lines 660 666) the Hoare annotation is: false [2019-10-22 08:54:50,977 INFO L439 ceAbstractionStarter]: At program point L660-2(lines 660 666) the Hoare annotation is: false [2019-10-22 08:54:50,977 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 874) no Hoare annotation was computed. [2019-10-22 08:54:50,977 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 919) no Hoare annotation was computed. [2019-10-22 08:54:50,977 INFO L443 ceAbstractionStarter]: For program point L909-2(lines 909 919) no Hoare annotation was computed. [2019-10-22 08:54:50,977 INFO L443 ceAbstractionStarter]: For program point L909-4(lines 909 919) no Hoare annotation was computed. [2019-10-22 08:54:50,978 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 916) no Hoare annotation was computed. [2019-10-22 08:54:50,978 INFO L443 ceAbstractionStarter]: For program point L910-2(lines 910 916) no Hoare annotation was computed. [2019-10-22 08:54:50,978 INFO L443 ceAbstractionStarter]: For program point L910-4(lines 910 916) no Hoare annotation was computed. [2019-10-22 08:54:50,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:54:50 BoogieIcfgContainer [2019-10-22 08:54:50,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:54:50,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:50,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:50,992 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:50,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:49" (3/4) ... [2019-10-22 08:54:50,996 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:54:51,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:54:51,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 08:54:51,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 08:54:51,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:54:51,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:54:51,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:54:51,038 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 08:54:51,083 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55ef8bdb-8fff-4725-b1b2-97d43bd74eaa/bin/uautomizer/witness.graphml [2019-10-22 08:54:51,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:51,085 INFO L168 Benchmark]: Toolchain (without parser) took 2835.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 939.1 MB in the beginning and 931.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 156.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,085 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:51,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -193.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.51 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,086 INFO L168 Benchmark]: Boogie Preprocessor took 43.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,086 INFO L168 Benchmark]: RCFGBuilder took 668.06 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,087 INFO L168 Benchmark]: TraceAbstraction took 1390.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.6 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,087 INFO L168 Benchmark]: Witness Printer took 91.85 ms. Allocated memory is still 1.2 GB. Free memory was 942.6 MB in the beginning and 931.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:51,088 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 558.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -193.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.51 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 668.06 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1390.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.6 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * Witness Printer took 91.85 ms. Allocated memory is still 1.2 GB. Free memory was 942.6 MB in the beginning and 931.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 448]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 325 SDtfs, 306 SDslu, 327 SDs, 0 SdLazy, 65 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 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...