./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ac176d5f6a200147241aca05fd00270bccec34f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:09:30,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:09:30,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:09:30,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:09:30,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:09:30,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:09:30,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:09:30,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:09:30,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:09:30,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:09:30,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:09:30,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:09:30,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:09:30,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:09:30,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:09:30,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:09:30,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:09:30,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:09:30,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:09:30,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:09:30,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:09:30,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:09:30,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:09:30,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:09:30,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:09:30,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:09:30,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:09:30,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:09:30,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:09:30,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:09:30,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:09:30,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:09:30,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:09:30,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:09:30,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:09:30,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:09:30,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:09:30,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:09:30,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:09:30,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:09:30,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:09:30,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:09:30,265 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:09:30,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:09:30,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:09:30,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:09:30,268 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:09:30,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:09:30,269 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:09:30,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:09:30,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:09:30,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:09:30,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:09:30,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:09:30,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:09:30,272 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:09:30,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:09:30,272 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:09:30,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:09:30,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:09:30,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:09:30,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:09:30,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:09:30,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:09:30,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:09:30,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:09:30,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:09:30,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:09:30,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:09:30,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:09:30,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:09:30,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ac176d5f6a200147241aca05fd00270bccec34f [2020-11-28 03:09:30,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:09:30,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:09:30,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:09:30,693 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:09:30,694 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:09:30,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2020-11-28 03:09:30,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/data/79ed3e40f/0e4f43aac6bc41b4a5f4b3ca6ef4f42e/FLAGcc7615ff9 [2020-11-28 03:09:31,430 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:09:31,431 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2020-11-28 03:09:31,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/data/79ed3e40f/0e4f43aac6bc41b4a5f4b3ca6ef4f42e/FLAGcc7615ff9 [2020-11-28 03:09:31,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/data/79ed3e40f/0e4f43aac6bc41b4a5f4b3ca6ef4f42e [2020-11-28 03:09:31,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:09:31,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:09:31,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:31,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:09:31,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:09:31,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:31" (1/1) ... [2020-11-28 03:09:31,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fecb5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:31, skipping insertion in model container [2020-11-28 03:09:31,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:31" (1/1) ... [2020-11-28 03:09:31,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:09:31,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:09:32,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:32,285 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:09:32,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:09:32,419 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:09:32,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32 WrapperNode [2020-11-28 03:09:32,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:09:32,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:32,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:09:32,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:09:32,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32" (1/1) ... [2020-11-28 03:09:32,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32" (1/1) ... [2020-11-28 03:09:32,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:09:32,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:09:32,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:09:32,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:09:32,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32" (1/1) ... [2020-11-28 03:09:32,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32" (1/1) ... [2020-11-28 03:09:32,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32" (1/1) ... [2020-11-28 03:09:32,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32" (1/1) ... [2020-11-28 03:09:32,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32" (1/1) ... [2020-11-28 03:09:32,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32" (1/1) ... [2020-11-28 03:09:32,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32" (1/1) ... [2020-11-28 03:09:32,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:09:32,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:09:32,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:09:32,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:09:32,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/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 [2020-11-28 03:09:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:09:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:09:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:09:32,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:09:33,574 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:09:33,578 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-28 03:09:33,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:33 BoogieIcfgContainer [2020-11-28 03:09:33,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:09:33,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:09:33,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:09:33,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:09:33,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:09:31" (1/3) ... [2020-11-28 03:09:33,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64463aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:33, skipping insertion in model container [2020-11-28 03:09:33,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:32" (2/3) ... [2020-11-28 03:09:33,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64463aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:33, skipping insertion in model container [2020-11-28 03:09:33,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:33" (3/3) ... [2020-11-28 03:09:33,591 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2020-11-28 03:09:33,605 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:09:33,611 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:09:33,626 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:09:33,661 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:09:33,661 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:09:33,661 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:09:33,662 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:09:33,662 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:09:33,662 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:09:33,662 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:09:33,662 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:09:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-11-28 03:09:33,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:09:33,695 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:33,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:33,697 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:33,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:33,704 INFO L82 PathProgramCache]: Analyzing trace with hash -2113786432, now seen corresponding path program 1 times [2020-11-28 03:09:33,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:33,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793154661] [2020-11-28 03:09:33,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:33,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793154661] [2020-11-28 03:09:33,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:33,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:09:33,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083454576] [2020-11-28 03:09:33,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:09:33,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:34,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:09:34,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:09:34,009 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-11-28 03:09:34,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:34,033 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-11-28 03:09:34,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:09:34,034 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 03:09:34,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:34,044 INFO L225 Difference]: With dead ends: 115 [2020-11-28 03:09:34,044 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:09:34,047 INFO L677 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 [2020-11-28 03:09:34,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:09:34,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:09:34,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:09:34,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-11-28 03:09:34,123 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-11-28 03:09:34,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:34,124 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-11-28 03:09:34,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:09:34,125 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-11-28 03:09:34,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:09:34,128 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:34,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:09:34,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:09:34,130 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:34,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:34,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1134423967, now seen corresponding path program 1 times [2020-11-28 03:09:34,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:34,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332153347] [2020-11-28 03:09:34,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:34,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332153347] [2020-11-28 03:09:34,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:34,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:09:34,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560603804] [2020-11-28 03:09:34,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:09:34,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:34,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:09:34,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:09:34,344 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-11-28 03:09:34,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:34,358 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-11-28 03:09:34,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:09:34,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 03:09:34,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:34,361 INFO L225 Difference]: With dead ends: 55 [2020-11-28 03:09:34,362 INFO L226 Difference]: Without dead ends: 29 [2020-11-28 03:09:34,363 INFO L677 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 [2020-11-28 03:09:34,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-28 03:09:34,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-28 03:09:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 03:09:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-28 03:09:34,373 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-11-28 03:09:34,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:34,373 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-28 03:09:34,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:09:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-28 03:09:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:09:34,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:34,376 INFO L422 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] [2020-11-28 03:09:34,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:09:34,377 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:34,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:34,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2020-11-28 03:09:34,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:34,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808525320] [2020-11-28 03:09:34,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:34,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:34,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808525320] [2020-11-28 03:09:34,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:34,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:09:34,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390722550] [2020-11-28 03:09:34,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:09:34,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:34,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:09:34,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:09:34,481 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-11-28 03:09:34,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:34,557 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-11-28 03:09:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:09:34,560 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-28 03:09:34,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:34,564 INFO L225 Difference]: With dead ends: 75 [2020-11-28 03:09:34,564 INFO L226 Difference]: Without dead ends: 52 [2020-11-28 03:09:34,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:09:34,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-28 03:09:34,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-11-28 03:09:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-28 03:09:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-11-28 03:09:34,585 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-11-28 03:09:34,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:34,586 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-11-28 03:09:34,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:09:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-11-28 03:09:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:09:34,588 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:34,588 INFO L422 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] [2020-11-28 03:09:34,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:09:34,588 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:34,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:34,591 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2020-11-28 03:09:34,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:34,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86712105] [2020-11-28 03:09:34,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:34,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86712105] [2020-11-28 03:09:34,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:34,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:09:34,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024593226] [2020-11-28 03:09:34,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:09:34,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:34,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:09:34,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:09:34,706 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-11-28 03:09:34,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:34,843 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2020-11-28 03:09:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:09:34,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-28 03:09:34,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:34,848 INFO L225 Difference]: With dead ends: 214 [2020-11-28 03:09:34,848 INFO L226 Difference]: Without dead ends: 172 [2020-11-28 03:09:34,849 INFO L677 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 [2020-11-28 03:09:34,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-11-28 03:09:34,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2020-11-28 03:09:34,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-28 03:09:34,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2020-11-28 03:09:34,875 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2020-11-28 03:09:34,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:34,876 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2020-11-28 03:09:34,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:09:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-11-28 03:09:34,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:09:34,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:09:34,878 INFO L422 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] [2020-11-28 03:09:34,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:09:34,879 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:09:34,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:09:34,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1127718650, now seen corresponding path program 1 times [2020-11-28 03:09:34,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:09:34,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272793013] [2020-11-28 03:09:34,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:09:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:09:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:09:34,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272793013] [2020-11-28 03:09:34,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:09:34,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:09:35,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061854704] [2020-11-28 03:09:35,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:09:35,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:09:35,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:09:35,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:09:35,001 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2020-11-28 03:09:35,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:09:35,091 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2020-11-28 03:09:35,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:09:35,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 03:09:35,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:09:35,092 INFO L225 Difference]: With dead ends: 268 [2020-11-28 03:09:35,092 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:09:35,096 INFO L677 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 [2020-11-28 03:09:35,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:09:35,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:09:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:09:35,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:09:35,099 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-11-28 03:09:35,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:09:35,100 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:09:35,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:09:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:09:35,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:09:35,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:09:35,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:09:35,602 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:09:35,603 INFO L274 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2020-11-28 03:09:35,603 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:09:35,603 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:09:35,603 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:09:35,603 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:09:35,604 INFO L274 CegarLoopResult]: For program point L87(lines 87 93) no Hoare annotation was computed. [2020-11-28 03:09:35,604 INFO L270 CegarLoopResult]: At program point L87-1(lines 87 93) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:35,604 INFO L274 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-11-28 03:09:35,604 INFO L274 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-11-28 03:09:35,605 INFO L270 CegarLoopResult]: At program point L105-1(lines 141 147) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:35,605 INFO L277 CegarLoopResult]: At program point L866(lines 847 869) the Hoare annotation is: true [2020-11-28 03:09:35,605 INFO L270 CegarLoopResult]: At program point L834(lines 830 836) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:35,605 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:09:35,605 INFO L270 CegarLoopResult]: At program point L141(lines 140 159) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:35,605 INFO L274 CegarLoopResult]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2020-11-28 03:09:35,606 INFO L270 CegarLoopResult]: At program point L141-2(lines 140 159) the Hoare annotation is: false [2020-11-28 03:09:35,606 INFO L270 CegarLoopResult]: At program point L141-3(lines 140 159) the Hoare annotation is: false [2020-11-28 03:09:35,606 INFO L270 CegarLoopResult]: At program point L736(lines 1 869) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-11-28 03:09:35,606 INFO L274 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-11-28 03:09:35,606 INFO L274 CegarLoopResult]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2020-11-28 03:09:35,606 INFO L274 CegarLoopResult]: For program point L637-6(lines 637 641) no Hoare annotation was computed. [2020-11-28 03:09:35,607 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:09:35,607 INFO L270 CegarLoopResult]: At program point L786-2(lines 786 800) the Hoare annotation is: false [2020-11-28 03:09:35,607 INFO L274 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-11-28 03:09:35,607 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-28 03:09:35,607 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:35,607 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:09:35,608 INFO L274 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2020-11-28 03:09:35,608 INFO L270 CegarLoopResult]: At program point L244-1(lines 244 250) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:35,608 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 03:09:35,627 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 03:09:35,627 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 03:09:35,628 INFO L270 CegarLoopResult]: At program point L674(lines 669 677) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:35,628 INFO L270 CegarLoopResult]: At program point L674-1(lines 669 677) the Hoare annotation is: false [2020-11-28 03:09:35,628 INFO L270 CegarLoopResult]: At program point L674-2(lines 669 677) the Hoare annotation is: false [2020-11-28 03:09:35,628 INFO L274 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-11-28 03:09:35,628 INFO L274 CegarLoopResult]: For program point L757(lines 757 770) no Hoare annotation was computed. [2020-11-28 03:09:35,628 INFO L274 CegarLoopResult]: For program point L790-1(lines 141 147) no Hoare annotation was computed. [2020-11-28 03:09:35,629 INFO L270 CegarLoopResult]: At program point L757-1(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:35,629 INFO L274 CegarLoopResult]: For program point L757-2(lines 757 770) no Hoare annotation was computed. [2020-11-28 03:09:35,629 INFO L270 CegarLoopResult]: At program point L757-3(lines 1 869) the Hoare annotation is: false [2020-11-28 03:09:35,629 INFO L274 CegarLoopResult]: For program point L757-4(lines 757 770) no Hoare annotation was computed. [2020-11-28 03:09:35,629 INFO L270 CegarLoopResult]: At program point L757-5(lines 1 869) the Hoare annotation is: false [2020-11-28 03:09:35,629 INFO L274 CegarLoopResult]: For program point L97(lines 97 112) no Hoare annotation was computed. [2020-11-28 03:09:35,630 INFO L274 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-11-28 03:09:35,630 INFO L277 CegarLoopResult]: At program point L857-1(lines 857 864) the Hoare annotation is: true [2020-11-28 03:09:35,630 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:09:35,630 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:09:35,630 INFO L270 CegarLoopResult]: At program point L148(lines 148 154) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:35,631 INFO L270 CegarLoopResult]: At program point L148-1(lines 148 154) the Hoare annotation is: false [2020-11-28 03:09:35,631 INFO L270 CegarLoopResult]: At program point L148-2(lines 148 154) the Hoare annotation is: false [2020-11-28 03:09:35,631 INFO L274 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-11-28 03:09:35,631 INFO L270 CegarLoopResult]: At program point L744(lines 739 747) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:35,631 INFO L274 CegarLoopResult]: For program point L761(lines 761 767) no Hoare annotation was computed. [2020-11-28 03:09:35,631 INFO L274 CegarLoopResult]: For program point L761-2(lines 761 767) no Hoare annotation was computed. [2020-11-28 03:09:35,632 INFO L270 CegarLoopResult]: At program point L117(lines 66 118) the Hoare annotation is: false [2020-11-28 03:09:35,632 INFO L274 CegarLoopResult]: For program point L761-4(lines 761 767) no Hoare annotation was computed. [2020-11-28 03:09:35,632 INFO L270 CegarLoopResult]: At program point L200(lines 195 203) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:09:35,632 INFO L270 CegarLoopResult]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2020-11-28 03:09:35,632 INFO L270 CegarLoopResult]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2020-11-28 03:09:35,632 INFO L274 CegarLoopResult]: For program point L68(lines 67 116) no Hoare annotation was computed. [2020-11-28 03:09:35,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:09:35 BoogieIcfgContainer [2020-11-28 03:09:35,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:09:35,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:09:35,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:09:35,678 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:09:35,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:33" (3/4) ... [2020-11-28 03:09:35,682 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:09:35,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:09:35,723 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:09:35,724 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:09:35,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:09:35,728 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:09:35,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:09:35,730 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:09:35,766 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 03:09:35,767 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-11-28 03:09:35,767 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:09:35,768 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:09:35,768 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:09:35,769 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:09:35,769 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:09:35,770 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:09:35,770 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:09:35,771 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:09:35,772 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:09:35,843 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d8feae75-7c10-46ab-bc68-c9ab2f10d38a/bin/uautomizer/witness.graphml [2020-11-28 03:09:35,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:09:35,848 INFO L168 Benchmark]: Toolchain (without parser) took 4094.27 ms. Allocated memory was 92.3 MB in the beginning and 146.8 MB in the end (delta: 54.5 MB). Free memory was 60.7 MB in the beginning and 79.7 MB in the end (delta: -19.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:35,849 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory was 50.1 MB in the beginning and 50.1 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:09:35,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.31 ms. Allocated memory was 92.3 MB in the beginning and 146.8 MB in the end (delta: 54.5 MB). Free memory was 60.3 MB in the beginning and 114.7 MB in the end (delta: -54.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:35,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.00 ms. Allocated memory is still 146.8 MB. Free memory was 114.7 MB in the beginning and 111.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:35,858 INFO L168 Benchmark]: Boogie Preprocessor took 37.21 ms. Allocated memory is still 146.8 MB. Free memory was 111.4 MB in the beginning and 109.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:35,858 INFO L168 Benchmark]: RCFGBuilder took 1060.08 ms. Allocated memory is still 146.8 MB. Free memory was 109.3 MB in the beginning and 62.3 MB in the end (delta: 47.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:35,859 INFO L168 Benchmark]: TraceAbstraction took 2094.12 ms. Allocated memory is still 146.8 MB. Free memory was 62.3 MB in the beginning and 84.9 MB in the end (delta: -22.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:35,860 INFO L168 Benchmark]: Witness Printer took 168.07 ms. Allocated memory is still 146.8 MB. Free memory was 84.9 MB in the beginning and 79.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:09:35,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory was 50.1 MB in the beginning and 50.1 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.31 ms. Allocated memory was 92.3 MB in the beginning and 146.8 MB in the end (delta: 54.5 MB). Free memory was 60.3 MB in the beginning and 114.7 MB in the end (delta: -54.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.00 ms. Allocated memory is still 146.8 MB. Free memory was 114.7 MB in the beginning and 111.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.21 ms. Allocated memory is still 146.8 MB. Free memory was 111.4 MB in the beginning and 109.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1060.08 ms. Allocated memory is still 146.8 MB. Free memory was 109.3 MB in the beginning and 62.3 MB in the end (delta: 47.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2094.12 ms. Allocated memory is still 146.8 MB. Free memory was 62.3 MB in the beginning and 84.9 MB in the end (delta: -22.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. * Witness Printer took 168.07 ms. Allocated memory is still 146.8 MB. Free memory was 84.9 MB in the beginning and 79.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 417 SDslu, 274 SDs, 0 SdLazy, 44 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 176 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4132 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3801 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...