./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.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_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/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 b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:50:43,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:50:43,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:50:43,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:50:43,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:50:43,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:50:43,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:50:43,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:50:43,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:50:43,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:50:43,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:50:43,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:50:43,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:50:43,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:50:43,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:50:43,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:50:43,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:50:43,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:50:43,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:50:43,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:50:43,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:50:43,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:50:43,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:50:43,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:50:43,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:50:43,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:50:43,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:50:43,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:50:43,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:50:43,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:50:43,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:50:43,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:50:43,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:50:43,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:50:43,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:50:43,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:50:43,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:50:43,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:50:43,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:50:43,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:50:43,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:50:43,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:50:43,685 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:50:43,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:50:43,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:50:43,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:50:43,689 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:50:43,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:50:43,689 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:50:43,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:50:43,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:50:43,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:50:43,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:50:43,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:50:43,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:50:43,693 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:50:43,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:50:43,693 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:50:43,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:50:43,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:50:43,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:50:43,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:50:43,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:50:43,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:50:43,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:50:43,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:50:43,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:50:43,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:50:43,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:50:43,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:50:43,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:50:43,697 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_12388578-d8f6-4a24-968b-7e698c258883/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 [2020-11-30 00:50:44,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:50:44,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:50:44,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:50:44,111 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:50:44,112 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:50:44,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2020-11-30 00:50:44,197 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer/data/3f1fd5b9f/c3985a90f5ae4b17a61d07c45e1b3f05/FLAGe44172706 [2020-11-30 00:50:44,804 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:50:44,805 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2020-11-30 00:50:44,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer/data/3f1fd5b9f/c3985a90f5ae4b17a61d07c45e1b3f05/FLAGe44172706 [2020-11-30 00:50:45,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer/data/3f1fd5b9f/c3985a90f5ae4b17a61d07c45e1b3f05 [2020-11-30 00:50:45,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:50:45,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:50:45,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:50:45,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:50:45,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:50:45,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:50:45" (1/1) ... [2020-11-30 00:50:45,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@385ee49c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45, skipping insertion in model container [2020-11-30 00:50:45,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:50:45" (1/1) ... [2020-11-30 00:50:45,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:50:45,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:50:45,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:50:45,566 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:50:45,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:50:45,766 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:50:45,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45 WrapperNode [2020-11-30 00:50:45,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:50:45,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:50:45,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:50:45,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:50:45,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45" (1/1) ... [2020-11-30 00:50:45,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45" (1/1) ... [2020-11-30 00:50:45,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:50:45,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:50:45,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:50:45,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:50:45,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45" (1/1) ... [2020-11-30 00:50:45,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45" (1/1) ... [2020-11-30 00:50:45,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45" (1/1) ... [2020-11-30 00:50:45,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45" (1/1) ... [2020-11-30 00:50:45,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45" (1/1) ... [2020-11-30 00:50:45,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45" (1/1) ... [2020-11-30 00:50:45,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45" (1/1) ... [2020-11-30 00:50:45,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:50:45,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:50:45,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:50:45,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:50:45,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/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 [2020-11-30 00:50:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:50:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:50:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:50:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:50:47,163 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:50:47,169 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-30 00:50:47,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:50:47 BoogieIcfgContainer [2020-11-30 00:50:47,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:50:47,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:50:47,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:50:47,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:50:47,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:50:45" (1/3) ... [2020-11-30 00:50:47,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcec130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:50:47, skipping insertion in model container [2020-11-30 00:50:47,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:50:45" (2/3) ... [2020-11-30 00:50:47,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcec130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:50:47, skipping insertion in model container [2020-11-30 00:50:47,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:50:47" (3/3) ... [2020-11-30 00:50:47,182 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2020-11-30 00:50:47,197 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:50:47,202 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:50:47,214 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:50:47,253 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:50:47,254 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:50:47,254 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:50:47,254 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:50:47,254 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:50:47,254 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:50:47,255 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:50:47,255 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:50:47,280 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-11-30 00:50:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:50:47,288 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:50:47,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:50:47,289 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:50:47,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:50:47,298 INFO L82 PathProgramCache]: Analyzing trace with hash 590072261, now seen corresponding path program 1 times [2020-11-30 00:50:47,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:50:47,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832743748] [2020-11-30 00:50:47,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:50:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:50:47,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:50:47,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832743748] [2020-11-30 00:50:47,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:50:47,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:50:47,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801187189] [2020-11-30 00:50:47,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:50:47,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:50:47,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:50:47,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:50:47,671 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-11-30 00:50:47,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:50:47,698 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-11-30 00:50:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:50:47,715 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-30 00:50:47,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:50:47,727 INFO L225 Difference]: With dead ends: 139 [2020-11-30 00:50:47,727 INFO L226 Difference]: Without dead ends: 67 [2020-11-30 00:50:47,731 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 [2020-11-30 00:50:47,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-30 00:50:47,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-11-30 00:50:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-30 00:50:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-11-30 00:50:47,806 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-11-30 00:50:47,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:50:47,806 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-11-30 00:50:47,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:50:47,807 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-11-30 00:50:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:50:47,808 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:50:47,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:50:47,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:50:47,809 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:50:47,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:50:47,810 INFO L82 PathProgramCache]: Analyzing trace with hash -456684636, now seen corresponding path program 1 times [2020-11-30 00:50:47,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:50:47,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314138563] [2020-11-30 00:50:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:50:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:50:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:50:47,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314138563] [2020-11-30 00:50:47,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:50:47,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:50:47,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385026630] [2020-11-30 00:50:47,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:50:47,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:50:47,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:50:47,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:50:47,957 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-11-30 00:50:47,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:50:47,978 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-11-30 00:50:47,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:50:47,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-30 00:50:47,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:50:47,982 INFO L225 Difference]: With dead ends: 67 [2020-11-30 00:50:47,982 INFO L226 Difference]: Without dead ends: 33 [2020-11-30 00:50:47,984 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 [2020-11-30 00:50:47,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-30 00:50:47,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-30 00:50:47,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-30 00:50:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-30 00:50:47,997 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-30 00:50:47,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:50:47,997 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-30 00:50:47,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:50:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-30 00:50:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:50:47,999 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:50:48,000 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] [2020-11-30 00:50:48,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:50:48,001 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:50:48,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:50:48,003 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2020-11-30 00:50:48,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:50:48,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450527105] [2020-11-30 00:50:48,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:50:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:50:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:50:48,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450527105] [2020-11-30 00:50:48,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:50:48,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:50:48,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575278558] [2020-11-30 00:50:48,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:50:48,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:50:48,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:50:48,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:50:48,209 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-11-30 00:50:48,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:50:48,246 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2020-11-30 00:50:48,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:50:48,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-30 00:50:48,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:50:48,251 INFO L225 Difference]: With dead ends: 87 [2020-11-30 00:50:48,251 INFO L226 Difference]: Without dead ends: 60 [2020-11-30 00:50:48,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:50:48,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-30 00:50:48,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2020-11-30 00:50:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-30 00:50:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2020-11-30 00:50:48,263 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2020-11-30 00:50:48,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:50:48,264 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2020-11-30 00:50:48,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:50:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2020-11-30 00:50:48,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:50:48,265 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:50:48,266 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] [2020-11-30 00:50:48,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:50:48,266 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:50:48,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:50:48,267 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2020-11-30 00:50:48,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:50:48,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626152982] [2020-11-30 00:50:48,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:50:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:50:48,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:50:48,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626152982] [2020-11-30 00:50:48,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:50:48,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:50:48,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365031940] [2020-11-30 00:50:48,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:50:48,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:50:48,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:50:48,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:50:48,373 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2020-11-30 00:50:48,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:50:48,547 INFO L93 Difference]: Finished difference Result 260 states and 398 transitions. [2020-11-30 00:50:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:50:48,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-30 00:50:48,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:50:48,551 INFO L225 Difference]: With dead ends: 260 [2020-11-30 00:50:48,551 INFO L226 Difference]: Without dead ends: 210 [2020-11-30 00:50:48,552 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 [2020-11-30 00:50:48,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-11-30 00:50:48,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 100. [2020-11-30 00:50:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-11-30 00:50:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2020-11-30 00:50:48,590 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 23 [2020-11-30 00:50:48,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:50:48,590 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2020-11-30 00:50:48,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:50:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2020-11-30 00:50:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:50:48,592 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:50:48,592 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, 1] [2020-11-30 00:50:48,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:50:48,593 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:50:48,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:50:48,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1110121172, now seen corresponding path program 1 times [2020-11-30 00:50:48,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:50:48,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995161029] [2020-11-30 00:50:48,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:50:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:50:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:50:48,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995161029] [2020-11-30 00:50:48,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:50:48,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:50:48,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388214300] [2020-11-30 00:50:48,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:50:48,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:50:48,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:50:48,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:50:48,734 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 5 states. [2020-11-30 00:50:48,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:50:48,834 INFO L93 Difference]: Finished difference Result 296 states and 443 transitions. [2020-11-30 00:50:48,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:50:48,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-30 00:50:48,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:50:48,835 INFO L225 Difference]: With dead ends: 296 [2020-11-30 00:50:48,835 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:50:48,837 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 [2020-11-30 00:50:48,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:50:48,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:50:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:50:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:50:48,838 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-30 00:50:48,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:50:48,839 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:50:48,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:50:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:50:48,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:50:48,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:50:48,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:50:49,113 INFO L274 CegarLoopResult]: For program point L481(lines 480 527) no Hoare annotation was computed. [2020-11-30 00:50:49,113 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:50:49,113 INFO L274 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-11-30 00:50:49,114 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:50:49,114 INFO L274 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-11-30 00:50:49,114 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:50:49,114 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:50:49,114 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:50:49,114 INFO L274 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-11-30 00:50:49,115 INFO L270 CegarLoopResult]: At program point L516-1(lines 312 318) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:50:49,115 INFO L270 CegarLoopResult]: At program point L252(lines 1 901) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:50:49,115 INFO L274 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2020-11-30 00:50:49,115 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-30 00:50:49,115 INFO L270 CegarLoopResult]: At program point L500-1(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:50:49,116 INFO L270 CegarLoopResult]: At program point L319(lines 319 325) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:50:49,116 INFO L270 CegarLoopResult]: At program point L319-1(lines 319 325) the Hoare annotation is: false [2020-11-30 00:50:49,116 INFO L270 CegarLoopResult]: At program point L319-2(lines 319 325) the Hoare annotation is: false [2020-11-30 00:50:49,116 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:50:49,116 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:50:49,116 INFO L274 CegarLoopResult]: For program point L156(lines 156 160) no Hoare annotation was computed. [2020-11-30 00:50:49,117 INFO L274 CegarLoopResult]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2020-11-30 00:50:49,117 INFO L274 CegarLoopResult]: For program point L156-6(lines 156 160) no Hoare annotation was computed. [2020-11-30 00:50:49,117 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:50:49,117 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-30 00:50:49,117 INFO L274 CegarLoopResult]: For program point L58-1(lines 312 318) no Hoare annotation was computed. [2020-11-30 00:50:49,117 INFO L270 CegarLoopResult]: At program point L405(lines 398 408) the Hoare annotation is: false [2020-11-30 00:50:49,118 INFO L270 CegarLoopResult]: At program point L405-1(lines 398 408) the Hoare annotation is: false [2020-11-30 00:50:49,118 INFO L270 CegarLoopResult]: At program point L405-2(lines 398 408) the Hoare annotation is: false [2020-11-30 00:50:49,118 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-30 00:50:49,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:50:49,118 INFO L274 CegarLoopResult]: For program point L275(lines 275 288) no Hoare annotation was computed. [2020-11-30 00:50:49,118 INFO L270 CegarLoopResult]: At program point L275-1(lines 1 901) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:50:49,119 INFO L274 CegarLoopResult]: For program point L275-2(lines 275 288) no Hoare annotation was computed. [2020-11-30 00:50:49,119 INFO L270 CegarLoopResult]: At program point L275-3(lines 1 901) the Hoare annotation is: false [2020-11-30 00:50:49,119 INFO L274 CegarLoopResult]: For program point L275-4(lines 275 288) no Hoare annotation was computed. [2020-11-30 00:50:49,119 INFO L270 CegarLoopResult]: At program point L275-5(lines 1 901) the Hoare annotation is: false [2020-11-30 00:50:49,119 INFO L274 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2020-11-30 00:50:49,120 INFO L270 CegarLoopResult]: At program point L490-1(lines 490 496) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:50:49,120 INFO L270 CegarLoopResult]: At program point L193(lines 188 196) the Hoare annotation is: false [2020-11-30 00:50:49,120 INFO L270 CegarLoopResult]: At program point L193-1(lines 188 196) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:50:49,120 INFO L270 CegarLoopResult]: At program point L193-2(lines 188 196) the Hoare annotation is: false [2020-11-30 00:50:49,123 INFO L270 CegarLoopResult]: At program point L193-3(lines 188 196) the Hoare annotation is: false [2020-11-30 00:50:49,123 INFO L270 CegarLoopResult]: At program point L193-4(lines 188 196) the Hoare annotation is: false [2020-11-30 00:50:49,123 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:50:49,128 INFO L270 CegarLoopResult]: At program point L193-5(lines 188 196) the Hoare annotation is: false [2020-11-30 00:50:49,128 INFO L274 CegarLoopResult]: For program point L458(lines 458 464) no Hoare annotation was computed. [2020-11-30 00:50:49,128 INFO L270 CegarLoopResult]: At program point L458-1(lines 458 464) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:50:49,129 INFO L270 CegarLoopResult]: At program point L260(lines 255 263) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:50:49,129 INFO L274 CegarLoopResult]: For program point L344(lines 344 361) no Hoare annotation was computed. [2020-11-30 00:50:49,129 INFO L274 CegarLoopResult]: For program point L344-1(lines 344 361) no Hoare annotation was computed. [2020-11-30 00:50:49,129 INFO L274 CegarLoopResult]: For program point L344-2(lines 344 361) no Hoare annotation was computed. [2020-11-30 00:50:49,129 INFO L274 CegarLoopResult]: For program point L510(lines 510 523) no Hoare annotation was computed. [2020-11-30 00:50:49,129 INFO L270 CegarLoopResult]: At program point L312(lines 311 330) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:50:49,130 INFO L274 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2020-11-30 00:50:49,130 INFO L274 CegarLoopResult]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2020-11-30 00:50:49,130 INFO L270 CegarLoopResult]: At program point L312-2(lines 311 330) the Hoare annotation is: false [2020-11-30 00:50:49,130 INFO L274 CegarLoopResult]: For program point L279-2(lines 279 285) no Hoare annotation was computed. [2020-11-30 00:50:49,130 INFO L270 CegarLoopResult]: At program point L312-3(lines 311 330) the Hoare annotation is: false [2020-11-30 00:50:49,130 INFO L274 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-11-30 00:50:49,131 INFO L274 CegarLoopResult]: For program point L279-4(lines 279 285) no Hoare annotation was computed. [2020-11-30 00:50:49,131 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:50:49,131 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:50:49,131 INFO L270 CegarLoopResult]: At program point L528(lines 479 529) the Hoare annotation is: false [2020-11-30 00:50:49,131 INFO L274 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-11-30 00:50:49,131 INFO L274 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-11-30 00:50:49,131 INFO L274 CegarLoopResult]: For program point L297-2(line 297) no Hoare annotation was computed. [2020-11-30 00:50:49,132 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-30 00:50:49,132 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-30 00:50:49,132 INFO L270 CegarLoopResult]: At program point L414(lines 409 417) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:50:49,132 INFO L270 CegarLoopResult]: At program point L414-1(lines 409 417) the Hoare annotation is: false [2020-11-30 00:50:49,135 INFO L274 CegarLoopResult]: For program point L348(lines 348 356) no Hoare annotation was computed. [2020-11-30 00:50:49,135 INFO L270 CegarLoopResult]: At program point L414-2(lines 409 417) the Hoare annotation is: false [2020-11-30 00:50:49,135 INFO L274 CegarLoopResult]: For program point L348-1(lines 348 356) no Hoare annotation was computed. [2020-11-30 00:50:49,137 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 356) no Hoare annotation was computed. [2020-11-30 00:50:49,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:50:49 BoogieIcfgContainer [2020-11-30 00:50:49,165 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:50:49,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:50:49,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:50:49,166 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:50:49,167 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:50:47" (3/4) ... [2020-11-30 00:50:49,171 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:50:49,197 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:50:49,198 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:50:49,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:50:49,200 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:50:49,200 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:50:49,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:50:49,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:50:49,240 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:50:49,332 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_12388578-d8f6-4a24-968b-7e698c258883/bin/uautomizer/witness.graphml [2020-11-30 00:50:49,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:50:49,334 INFO L168 Benchmark]: Toolchain (without parser) took 4232.48 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 85.0 MB in the beginning and 63.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:50:49,335 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 38.0 MB in the beginning and 37.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:50:49,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.30 ms. Allocated memory is still 115.3 MB. Free memory was 84.7 MB in the beginning and 81.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:50:49,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.79 ms. Allocated memory is still 115.3 MB. Free memory was 81.6 MB in the beginning and 79.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:50:49,336 INFO L168 Benchmark]: Boogie Preprocessor took 53.28 ms. Allocated memory is still 115.3 MB. Free memory was 79.0 MB in the beginning and 76.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:50:49,340 INFO L168 Benchmark]: RCFGBuilder took 1258.29 ms. Allocated memory is still 115.3 MB. Free memory was 76.4 MB in the beginning and 66.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:50:49,341 INFO L168 Benchmark]: TraceAbstraction took 1991.97 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 65.4 MB in the beginning and 69.3 MB in the end (delta: -4.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:50:49,341 INFO L168 Benchmark]: Witness Printer took 166.05 ms. Allocated memory is still 138.4 MB. Free memory was 69.3 MB in the beginning and 63.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:50:49,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 38.0 MB in the beginning and 37.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 667.30 ms. Allocated memory is still 115.3 MB. Free memory was 84.7 MB in the beginning and 81.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.79 ms. Allocated memory is still 115.3 MB. Free memory was 81.6 MB in the beginning and 79.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.28 ms. Allocated memory is still 115.3 MB. Free memory was 79.0 MB in the beginning and 76.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1258.29 ms. Allocated memory is still 115.3 MB. Free memory was 76.4 MB in the beginning and 66.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1991.97 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 65.4 MB in the beginning and 69.3 MB in the end (delta: -4.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * Witness Printer took 166.05 ms. Allocated memory is still 138.4 MB. Free memory was 69.3 MB in the beginning and 63.0 MB in the end (delta: 6.3 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: 311]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 305 SDslu, 300 SDs, 0 SdLazy, 61 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 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...