./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/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 07a82585c9104c8be0d4d9500146b9ae03439698 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:05:25,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:05:25,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:05:25,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:05:25,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:05:25,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:05:25,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:05:25,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:05:25,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:05:25,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:05:25,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:05:25,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:05:25,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:05:25,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:05:25,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:05:25,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:05:25,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:05:25,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:05:25,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:05:25,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:05:25,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:05:25,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:05:25,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:05:25,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:05:25,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:05:25,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:05:25,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:05:25,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:05:25,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:05:25,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:05:25,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:05:25,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:05:25,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:05:25,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:05:25,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:05:25,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:05:25,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:05:25,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:05:25,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:05:25,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:05:25,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:05:25,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 16:05:25,656 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:05:25,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:05:25,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:05:25,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:05:25,659 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 16:05:25,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:05:25,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:05:25,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:05:25,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:05:25,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:05:25,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:05:25,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:05:25,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:05:25,661 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:05:25,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:05:25,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:05:25,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:05:25,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:05:25,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 16:05:25,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:05:25,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 16:05:25,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 16:05:25,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:05:25,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:05:25,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:05:25,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 16:05:25,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:05:25,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:05:25,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 16:05:25,666 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_31cac315-3a78-4e97-a036-2e74a3e5d669/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07a82585c9104c8be0d4d9500146b9ae03439698 [2020-12-01 16:05:25,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:05:25,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:05:25,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:05:25,981 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:05:25,982 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:05:25,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2020-12-01 16:05:26,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer/data/faaf9d027/a1d091a75b364cef829894ab5528db3f/FLAG7f9817ad6 [2020-12-01 16:05:26,733 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:05:26,733 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2020-12-01 16:05:26,759 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer/data/faaf9d027/a1d091a75b364cef829894ab5528db3f/FLAG7f9817ad6 [2020-12-01 16:05:27,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer/data/faaf9d027/a1d091a75b364cef829894ab5528db3f [2020-12-01 16:05:27,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:05:27,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:05:27,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:05:27,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:05:27,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:05:27,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:05:27" (1/1) ... [2020-12-01 16:05:27,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224db444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27, skipping insertion in model container [2020-12-01 16:05:27,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:05:27" (1/1) ... [2020-12-01 16:05:27,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:05:27,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:05:27,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:05:27,633 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:05:27,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:05:27,825 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:05:27,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27 WrapperNode [2020-12-01 16:05:27,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:05:27,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:05:27,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:05:27,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:05:27,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27" (1/1) ... [2020-12-01 16:05:27,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27" (1/1) ... [2020-12-01 16:05:27,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:05:27,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:05:27,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:05:27,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:05:27,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27" (1/1) ... [2020-12-01 16:05:27,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27" (1/1) ... [2020-12-01 16:05:27,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27" (1/1) ... [2020-12-01 16:05:27,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27" (1/1) ... [2020-12-01 16:05:27,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27" (1/1) ... [2020-12-01 16:05:27,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27" (1/1) ... [2020-12-01 16:05:27,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27" (1/1) ... [2020-12-01 16:05:27,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:05:28,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:05:28,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:05:28,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:05:28,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/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 [2020-12-01 16:05:28,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:05:28,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:05:28,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:05:28,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:05:29,067 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:05:29,067 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-12-01 16:05:29,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:05:29 BoogieIcfgContainer [2020-12-01 16:05:29,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:05:29,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 16:05:29,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 16:05:29,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 16:05:29,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:05:27" (1/3) ... [2020-12-01 16:05:29,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99d3ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:05:29, skipping insertion in model container [2020-12-01 16:05:29,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:05:27" (2/3) ... [2020-12-01 16:05:29,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99d3ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:05:29, skipping insertion in model container [2020-12-01 16:05:29,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:05:29" (3/3) ... [2020-12-01 16:05:29,080 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2020-12-01 16:05:29,097 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 16:05:29,102 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-01 16:05:29,116 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-01 16:05:29,146 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 16:05:29,146 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 16:05:29,147 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 16:05:29,147 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 16:05:29,147 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 16:05:29,147 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 16:05:29,147 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 16:05:29,148 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 16:05:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-12-01 16:05:29,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:05:29,174 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:05:29,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:05:29,175 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:05:29,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:05:29,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1031197650, now seen corresponding path program 1 times [2020-12-01 16:05:29,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:05:29,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984841136] [2020-12-01 16:05:29,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:05:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:05:29,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:05:29,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984841136] [2020-12-01 16:05:29,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:05:29,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:05:29,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398146489] [2020-12-01 16:05:29,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 16:05:29,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:05:29,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 16:05:29,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 16:05:29,567 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-12-01 16:05:29,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:05:29,636 INFO L93 Difference]: Finished difference Result 211 states and 314 transitions. [2020-12-01 16:05:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 16:05:29,638 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-01 16:05:29,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:05:29,652 INFO L225 Difference]: With dead ends: 211 [2020-12-01 16:05:29,653 INFO L226 Difference]: Without dead ends: 103 [2020-12-01 16:05:29,657 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 [2020-12-01 16:05:29,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-12-01 16:05:29,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-12-01 16:05:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-12-01 16:05:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-12-01 16:05:29,713 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-12-01 16:05:29,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:05:29,714 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-12-01 16:05:29,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 16:05:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-12-01 16:05:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:05:29,716 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:05:29,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:05:29,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 16:05:29,719 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:05:29,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:05:29,722 INFO L82 PathProgramCache]: Analyzing trace with hash -2077954547, now seen corresponding path program 1 times [2020-12-01 16:05:29,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:05:29,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883253419] [2020-12-01 16:05:29,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:05:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:05:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:05:29,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883253419] [2020-12-01 16:05:29,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:05:29,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:05:29,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958487825] [2020-12-01 16:05:29,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:05:29,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:05:29,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:05:29,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:05:29,937 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2020-12-01 16:05:29,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:05:29,974 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-12-01 16:05:29,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:05:29,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-01 16:05:29,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:05:29,977 INFO L225 Difference]: With dead ends: 103 [2020-12-01 16:05:29,979 INFO L226 Difference]: Without dead ends: 45 [2020-12-01 16:05:29,980 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 [2020-12-01 16:05:29,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-01 16:05:29,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-12-01 16:05:29,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-12-01 16:05:29,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-12-01 16:05:29,993 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-12-01 16:05:29,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:05:29,993 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-12-01 16:05:29,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:05:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-12-01 16:05:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:05:29,998 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:05:29,999 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] [2020-12-01 16:05:30,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 16:05:30,001 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:05:30,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:05:30,003 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2020-12-01 16:05:30,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:05:30,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620273745] [2020-12-01 16:05:30,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:05:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:05:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:05:30,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620273745] [2020-12-01 16:05:30,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:05:30,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:05:30,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748294757] [2020-12-01 16:05:30,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:05:30,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:05:30,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:05:30,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:05:30,177 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-12-01 16:05:30,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:05:30,238 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2020-12-01 16:05:30,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:05:30,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-01 16:05:30,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:05:30,244 INFO L225 Difference]: With dead ends: 123 [2020-12-01 16:05:30,245 INFO L226 Difference]: Without dead ends: 84 [2020-12-01 16:05:30,247 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 [2020-12-01 16:05:30,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-12-01 16:05:30,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2020-12-01 16:05:30,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-01 16:05:30,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2020-12-01 16:05:30,262 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2020-12-01 16:05:30,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:05:30,262 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2020-12-01 16:05:30,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:05:30,263 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2020-12-01 16:05:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:05:30,264 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:05:30,264 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] [2020-12-01 16:05:30,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 16:05:30,265 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:05:30,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:05:30,266 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2020-12-01 16:05:30,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:05:30,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063017403] [2020-12-01 16:05:30,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:05:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:05:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:05:30,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063017403] [2020-12-01 16:05:30,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:05:30,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 16:05:30,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101223512] [2020-12-01 16:05:30,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 16:05:30,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:05:30,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 16:05:30,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:05:30,411 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 5 states. [2020-12-01 16:05:30,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:05:30,575 INFO L93 Difference]: Finished difference Result 329 states and 497 transitions. [2020-12-01 16:05:30,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 16:05:30,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-01 16:05:30,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:05:30,581 INFO L225 Difference]: With dead ends: 329 [2020-12-01 16:05:30,582 INFO L226 Difference]: Without dead ends: 255 [2020-12-01 16:05:30,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-01 16:05:30,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-12-01 16:05:30,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 148. [2020-12-01 16:05:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-12-01 16:05:30,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 215 transitions. [2020-12-01 16:05:30,634 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 215 transitions. Word has length 24 [2020-12-01 16:05:30,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:05:30,635 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 215 transitions. [2020-12-01 16:05:30,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 16:05:30,635 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 215 transitions. [2020-12-01 16:05:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:05:30,642 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:05:30,643 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, 1] [2020-12-01 16:05:30,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 16:05:30,643 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:05:30,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:05:30,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1231968550, now seen corresponding path program 1 times [2020-12-01 16:05:30,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:05:30,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209374680] [2020-12-01 16:05:30,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:05:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:05:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:05:30,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209374680] [2020-12-01 16:05:30,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:05:30,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 16:05:30,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508267252] [2020-12-01 16:05:30,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 16:05:30,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:05:30,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 16:05:30,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:05:30,740 INFO L87 Difference]: Start difference. First operand 148 states and 215 transitions. Second operand 5 states. [2020-12-01 16:05:30,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:05:30,827 INFO L93 Difference]: Finished difference Result 300 states and 451 transitions. [2020-12-01 16:05:30,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 16:05:30,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-01 16:05:30,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:05:30,829 INFO L225 Difference]: With dead ends: 300 [2020-12-01 16:05:30,829 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 16:05:30,831 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 [2020-12-01 16:05:30,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 16:05:30,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 16:05:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 16:05:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 16:05:30,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-01 16:05:30,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:05:30,833 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 16:05:30,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 16:05:30,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 16:05:30,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:05:30,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 16:05:30,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 16:05:31,080 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 16:05:31,080 INFO L262 CegarLoopResult]: For program point L630(lines 630 647) no Hoare annotation was computed. [2020-12-01 16:05:31,080 INFO L262 CegarLoopResult]: For program point L630-1(lines 630 647) no Hoare annotation was computed. [2020-12-01 16:05:31,080 INFO L262 CegarLoopResult]: For program point L630-2(lines 630 647) no Hoare annotation was computed. [2020-12-01 16:05:31,080 INFO L262 CegarLoopResult]: For program point L630-3(lines 630 647) no Hoare annotation was computed. [2020-12-01 16:05:31,080 INFO L262 CegarLoopResult]: For program point L630-4(lines 630 647) no Hoare annotation was computed. [2020-12-01 16:05:31,081 INFO L262 CegarLoopResult]: For program point L630-5(lines 630 647) no Hoare annotation was computed. [2020-12-01 16:05:31,081 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 16:05:31,082 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-12-01 16:05:31,082 INFO L262 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-12-01 16:05:31,082 INFO L262 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-12-01 16:05:31,082 INFO L262 CegarLoopResult]: For program point L895-2(lines 895 901) no Hoare annotation was computed. [2020-12-01 16:05:31,082 INFO L262 CegarLoopResult]: For program point L895-4(lines 895 901) no Hoare annotation was computed. [2020-12-01 16:05:31,083 INFO L258 CegarLoopResult]: At program point L598(lines 597 616) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 16:05:31,083 INFO L262 CegarLoopResult]: For program point L598-1(lines 598 604) no Hoare annotation was computed. [2020-12-01 16:05:31,083 INFO L258 CegarLoopResult]: At program point L598-2(lines 597 616) the Hoare annotation is: false [2020-12-01 16:05:31,083 INFO L258 CegarLoopResult]: At program point L598-3(lines 597 616) the Hoare annotation is: false [2020-12-01 16:05:31,084 INFO L258 CegarLoopResult]: At program point L764(lines 749 767) the Hoare annotation is: false [2020-12-01 16:05:31,084 INFO L258 CegarLoopResult]: At program point L764-1(lines 749 767) the Hoare annotation is: false [2020-12-01 16:05:31,084 INFO L258 CegarLoopResult]: At program point L764-2(lines 749 767) the Hoare annotation is: false [2020-12-01 16:05:31,084 INFO L258 CegarLoopResult]: At program point L764-3(lines 749 767) the Hoare annotation is: false [2020-12-01 16:05:31,084 INFO L258 CegarLoopResult]: At program point L764-4(lines 749 767) the Hoare annotation is: false [2020-12-01 16:05:31,084 INFO L258 CegarLoopResult]: At program point L764-5(lines 749 767) the Hoare annotation is: false [2020-12-01 16:05:31,084 INFO L262 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-12-01 16:05:31,085 INFO L258 CegarLoopResult]: At program point L534-1(lines 534 540) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 16:05:31,085 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-01 16:05:31,085 INFO L258 CegarLoopResult]: At program point L931(lines 1 951) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-01 16:05:31,085 INFO L262 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-12-01 16:05:31,085 INFO L258 CegarLoopResult]: At program point L700(lines 693 703) the Hoare annotation is: false [2020-12-01 16:05:31,085 INFO L262 CegarLoopResult]: For program point L799-3(lines 799 803) no Hoare annotation was computed. [2020-12-01 16:05:31,086 INFO L258 CegarLoopResult]: At program point L700-1(lines 693 703) the Hoare annotation is: false [2020-12-01 16:05:31,087 INFO L262 CegarLoopResult]: For program point L634(lines 634 642) no Hoare annotation was computed. [2020-12-01 16:05:31,090 INFO L258 CegarLoopResult]: At program point L700-2(lines 693 703) the Hoare annotation is: false [2020-12-01 16:05:31,091 INFO L262 CegarLoopResult]: For program point L634-1(lines 634 642) no Hoare annotation was computed. [2020-12-01 16:05:31,091 INFO L262 CegarLoopResult]: For program point L799-6(lines 799 803) no Hoare annotation was computed. [2020-12-01 16:05:31,092 INFO L262 CegarLoopResult]: For program point L634-2(lines 634 642) no Hoare annotation was computed. [2020-12-01 16:05:31,092 INFO L262 CegarLoopResult]: For program point L634-3(lines 634 642) no Hoare annotation was computed. [2020-12-01 16:05:31,092 INFO L262 CegarLoopResult]: For program point L634-4(lines 634 642) no Hoare annotation was computed. [2020-12-01 16:05:31,092 INFO L262 CegarLoopResult]: For program point L634-5(lines 634 642) no Hoare annotation was computed. [2020-12-01 16:05:31,092 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-01 16:05:31,094 INFO L258 CegarLoopResult]: At program point L868(lines 863 871) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 16:05:31,094 INFO L258 CegarLoopResult]: At program point L868-1(lines 863 871) the Hoare annotation is: false [2020-12-01 16:05:31,094 INFO L258 CegarLoopResult]: At program point L868-2(lines 863 871) the Hoare annotation is: false [2020-12-01 16:05:31,094 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 16:05:31,099 INFO L258 CegarLoopResult]: At program point L836(lines 831 839) the Hoare annotation is: false [2020-12-01 16:05:31,100 INFO L258 CegarLoopResult]: At program point L836-1(lines 831 839) the Hoare annotation is: false [2020-12-01 16:05:31,100 INFO L258 CegarLoopResult]: At program point L836-2(lines 831 839) the Hoare annotation is: false [2020-12-01 16:05:31,102 INFO L258 CegarLoopResult]: At program point L605(lines 605 611) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 16:05:31,102 INFO L258 CegarLoopResult]: At program point L605-1(lines 605 611) the Hoare annotation is: false [2020-12-01 16:05:31,102 INFO L258 CegarLoopResult]: At program point L605-2(lines 605 611) the Hoare annotation is: false [2020-12-01 16:05:31,102 INFO L262 CegarLoopResult]: For program point L772(lines 772 778) no Hoare annotation was computed. [2020-12-01 16:05:31,103 INFO L258 CegarLoopResult]: At program point L772-1(lines 772 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 16:05:31,103 INFO L258 CegarLoopResult]: At program point L574(lines 523 575) the Hoare annotation is: false [2020-12-01 16:05:31,103 INFO L258 CegarLoopResult]: At program point L939(lines 934 942) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-01 16:05:31,103 INFO L258 CegarLoopResult]: At program point L709(lines 704 712) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 16:05:31,103 INFO L258 CegarLoopResult]: At program point L709-1(lines 704 712) the Hoare annotation is: false [2020-12-01 16:05:31,103 INFO L258 CegarLoopResult]: At program point L709-2(lines 704 712) the Hoare annotation is: false [2020-12-01 16:05:31,103 INFO L262 CegarLoopResult]: For program point L544(lines 544 550) no Hoare annotation was computed. [2020-12-01 16:05:31,104 INFO L258 CegarLoopResult]: At program point L544-1(lines 544 550) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 16:05:31,104 INFO L258 CegarLoopResult]: At program point L877(lines 872 880) the Hoare annotation is: false [2020-12-01 16:05:31,104 INFO L258 CegarLoopResult]: At program point L877-1(lines 872 880) the Hoare annotation is: false [2020-12-01 16:05:31,104 INFO L262 CegarLoopResult]: For program point L811(lines 811 815) no Hoare annotation was computed. [2020-12-01 16:05:31,104 INFO L258 CegarLoopResult]: At program point L877-2(lines 872 880) the Hoare annotation is: false [2020-12-01 16:05:31,104 INFO L258 CegarLoopResult]: At program point L877-3(lines 872 880) the Hoare annotation is: false [2020-12-01 16:05:31,104 INFO L258 CegarLoopResult]: At program point L877-4(lines 872 880) the Hoare annotation is: false [2020-12-01 16:05:31,104 INFO L258 CegarLoopResult]: At program point L877-5(lines 872 880) the Hoare annotation is: false [2020-12-01 16:05:31,105 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 16:05:31,105 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-01 16:05:31,105 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-01 16:05:31,105 INFO L262 CegarLoopResult]: For program point L948(line 948) no Hoare annotation was computed. [2020-12-01 16:05:31,105 INFO L262 CegarLoopResult]: For program point L948-1(line 948) no Hoare annotation was computed. [2020-12-01 16:05:31,105 INFO L262 CegarLoopResult]: For program point L948-2(line 948) no Hoare annotation was computed. [2020-12-01 16:05:31,105 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 16:05:31,106 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-01 16:05:31,106 INFO L262 CegarLoopResult]: For program point L58-1(lines 598 604) no Hoare annotation was computed. [2020-12-01 16:05:31,106 INFO L262 CegarLoopResult]: For program point L554(lines 554 569) no Hoare annotation was computed. [2020-12-01 16:05:31,106 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 16:05:31,107 INFO L262 CegarLoopResult]: For program point L656(lines 656 673) no Hoare annotation was computed. [2020-12-01 16:05:31,107 INFO L262 CegarLoopResult]: For program point L656-1(lines 656 673) no Hoare annotation was computed. [2020-12-01 16:05:31,107 INFO L262 CegarLoopResult]: For program point L656-2(lines 656 673) no Hoare annotation was computed. [2020-12-01 16:05:31,107 INFO L262 CegarLoopResult]: For program point L525(lines 524 573) no Hoare annotation was computed. [2020-12-01 16:05:31,107 INFO L262 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2020-12-01 16:05:31,107 INFO L262 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-12-01 16:05:31,107 INFO L262 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,107 INFO L262 CegarLoopResult]: For program point L758-2(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,108 INFO L262 CegarLoopResult]: For program point L758-3(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,108 INFO L262 CegarLoopResult]: For program point L758-5(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,108 INFO L262 CegarLoopResult]: For program point L758-6(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,108 INFO L262 CegarLoopResult]: For program point L758-8(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,108 INFO L262 CegarLoopResult]: For program point L758-9(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,108 INFO L262 CegarLoopResult]: For program point L758-11(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,108 INFO L262 CegarLoopResult]: For program point L758-12(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,108 INFO L262 CegarLoopResult]: For program point L758-14(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,109 INFO L262 CegarLoopResult]: For program point L758-15(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,109 INFO L262 CegarLoopResult]: For program point L758-17(lines 758 762) no Hoare annotation was computed. [2020-12-01 16:05:31,109 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 16:05:31,109 INFO L262 CegarLoopResult]: For program point L891(lines 891 904) no Hoare annotation was computed. [2020-12-01 16:05:31,109 INFO L258 CegarLoopResult]: At program point L891-1(lines 1 951) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 16:05:31,109 INFO L262 CegarLoopResult]: For program point L891-2(lines 891 904) no Hoare annotation was computed. [2020-12-01 16:05:31,109 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 16:05:31,110 INFO L258 CegarLoopResult]: At program point L891-3(lines 1 951) the Hoare annotation is: false [2020-12-01 16:05:31,110 INFO L262 CegarLoopResult]: For program point L891-4(lines 891 904) no Hoare annotation was computed. [2020-12-01 16:05:31,110 INFO L258 CegarLoopResult]: At program point L891-5(lines 1 951) the Hoare annotation is: false [2020-12-01 16:05:31,110 INFO L262 CegarLoopResult]: For program point L660(lines 660 668) no Hoare annotation was computed. [2020-12-01 16:05:31,110 INFO L262 CegarLoopResult]: For program point L660-1(lines 660 668) no Hoare annotation was computed. [2020-12-01 16:05:31,110 INFO L262 CegarLoopResult]: For program point L660-2(lines 660 668) no Hoare annotation was computed. [2020-12-01 16:05:31,110 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-01 16:05:31,110 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-01 16:05:31,110 INFO L262 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-12-01 16:05:31,112 INFO L258 CegarLoopResult]: At program point L562-1(lines 598 604) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 16:05:31,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:05:31 BoogieIcfgContainer [2020-12-01 16:05:31,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 16:05:31,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:05:31,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:05:31,135 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:05:31,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:05:29" (3/4) ... [2020-12-01 16:05:31,139 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:05:31,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-01 16:05:31,160 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 16:05:31,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 16:05:31,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:05:31,164 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:05:31,165 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:05:31,166 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:05:31,199 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-01 16:05:31,282 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_31cac315-3a78-4e97-a036-2e74a3e5d669/bin/uautomizer/witness.graphml [2020-12-01 16:05:31,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:05:31,284 INFO L168 Benchmark]: Toolchain (without parser) took 4246.69 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 105.5 MB in the beginning and 74.6 MB in the end (delta: 30.9 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:05:31,285 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 54.8 MB in the beginning and 54.7 MB in the end (delta: 48.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:05:31,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.62 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 98.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:05:31,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.17 ms. Allocated memory is still 132.1 MB. Free memory was 98.8 MB in the beginning and 95.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:05:31,286 INFO L168 Benchmark]: Boogie Preprocessor took 56.56 ms. Allocated memory is still 132.1 MB. Free memory was 95.5 MB in the beginning and 92.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:05:31,287 INFO L168 Benchmark]: RCFGBuilder took 1069.98 ms. Allocated memory is still 132.1 MB. Free memory was 92.5 MB in the beginning and 77.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:05:31,287 INFO L168 Benchmark]: TraceAbstraction took 2061.94 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 77.0 MB in the beginning and 84.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:05:31,288 INFO L168 Benchmark]: Witness Printer took 148.05 ms. Allocated memory is still 159.4 MB. Free memory was 84.0 MB in the beginning and 74.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:05:31,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 54.8 MB in the beginning and 54.7 MB in the end (delta: 48.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 787.62 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 98.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.17 ms. Allocated memory is still 132.1 MB. Free memory was 98.8 MB in the beginning and 95.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.56 ms. Allocated memory is still 132.1 MB. Free memory was 95.5 MB in the beginning and 92.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1069.98 ms. Allocated memory is still 132.1 MB. Free memory was 92.5 MB in the beginning and 77.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2061.94 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 77.0 MB in the beginning and 84.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * Witness Printer took 148.05 ms. Allocated memory is still 159.4 MB. Free memory was 84.0 MB in the beginning and 74.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 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: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 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: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 432 SDtfs, 428 SDslu, 342 SDs, 0 SdLazy, 74 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred 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, 111 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 106 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4199 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...