./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.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_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/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 2b192e470c41b75933f65965ba2800987829e5a8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:29:36,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:29:36,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:29:36,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:29:36,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:29:36,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:29:36,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:29:36,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:29:36,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:29:36,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:29:36,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:29:36,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:29:36,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:29:36,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:29:36,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:29:36,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:29:36,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:29:36,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:29:36,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:29:36,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:29:36,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:29:36,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:29:36,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:29:36,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:29:36,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:29:36,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:29:36,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:29:36,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:29:36,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:29:36,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:29:36,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:29:36,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:29:36,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:29:36,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:29:36,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:29:36,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:29:36,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:29:36,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:29:36,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:29:36,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:29:36,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:29:36,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:29:36,854 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:29:36,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:29:36,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:29:36,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:29:36,857 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:29:36,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:29:36,858 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:29:36,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:29:36,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:29:36,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:29:36,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:29:36,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:29:36,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:29:36,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:29:36,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:29:36,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:29:36,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:29:36,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:29:36,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:29:36,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:29:36,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:29:36,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:29:36,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:29:36,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:29:36,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:29:36,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:29:36,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:29:36,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:29:36,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:29:36,866 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_10f97e96-866b-43a8-aeac-3ef5474f42b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b192e470c41b75933f65965ba2800987829e5a8 [2020-12-01 15:29:37,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:29:37,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:29:37,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:29:37,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:29:37,266 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:29:37,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2020-12-01 15:29:37,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/data/c18eda11f/253f9959eabf47c0849dd43865201cd3/FLAGff7947aea [2020-12-01 15:29:37,854 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:29:37,855 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2020-12-01 15:29:37,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/data/c18eda11f/253f9959eabf47c0849dd43865201cd3/FLAGff7947aea [2020-12-01 15:29:38,197 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/data/c18eda11f/253f9959eabf47c0849dd43865201cd3 [2020-12-01 15:29:38,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:29:38,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:29:38,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:29:38,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:29:38,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:29:38,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:29:38" (1/1) ... [2020-12-01 15:29:38,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a712219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38, skipping insertion in model container [2020-12-01 15:29:38,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:29:38" (1/1) ... [2020-12-01 15:29:38,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:29:38,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:29:38,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:29:38,621 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:29:38,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:29:38,796 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:29:38,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38 WrapperNode [2020-12-01 15:29:38,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:29:38,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:29:38,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:29:38,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:29:38,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38" (1/1) ... [2020-12-01 15:29:38,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38" (1/1) ... [2020-12-01 15:29:38,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:29:38,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:29:38,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:29:38,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:29:38,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38" (1/1) ... [2020-12-01 15:29:38,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38" (1/1) ... [2020-12-01 15:29:38,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38" (1/1) ... [2020-12-01 15:29:38,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38" (1/1) ... [2020-12-01 15:29:38,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38" (1/1) ... [2020-12-01 15:29:38,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38" (1/1) ... [2020-12-01 15:29:38,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38" (1/1) ... [2020-12-01 15:29:38,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:29:38,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:29:38,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:29:38,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:29:38,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/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 15:29:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:29:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:29:39,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:29:39,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:29:39,981 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:29:39,981 INFO L298 CfgBuilder]: Removed 74 assume(true) statements. [2020-12-01 15:29:39,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:29:39 BoogieIcfgContainer [2020-12-01 15:29:39,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:29:39,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:29:39,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:29:39,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:29:39,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:29:38" (1/3) ... [2020-12-01 15:29:39,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2f6010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:29:39, skipping insertion in model container [2020-12-01 15:29:39,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:38" (2/3) ... [2020-12-01 15:29:39,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2f6010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:29:39, skipping insertion in model container [2020-12-01 15:29:39,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:29:39" (3/3) ... [2020-12-01 15:29:39,995 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2020-12-01 15:29:40,013 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:29:40,019 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-01 15:29:40,031 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-01 15:29:40,070 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:29:40,070 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:29:40,070 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:29:40,071 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:29:40,071 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:29:40,071 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:29:40,071 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:29:40,071 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:29:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-12-01 15:29:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 15:29:40,099 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:29:40,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:29:40,101 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:29:40,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:29:40,109 INFO L82 PathProgramCache]: Analyzing trace with hash 436617332, now seen corresponding path program 1 times [2020-12-01 15:29:40,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:29:40,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898378197] [2020-12-01 15:29:40,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:29:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:29:40,475 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 15:29:40,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898378197] [2020-12-01 15:29:40,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:29:40,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:29:40,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774415698] [2020-12-01 15:29:40,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:29:40,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:29:40,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:29:40,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:29:40,499 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-12-01 15:29:40,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:29:40,522 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-12-01 15:29:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:29:40,524 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-01 15:29:40,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:29:40,533 INFO L225 Difference]: With dead ends: 111 [2020-12-01 15:29:40,533 INFO L226 Difference]: Without dead ends: 53 [2020-12-01 15:29:40,537 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 15:29:40,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-01 15:29:40,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-01 15:29:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-01 15:29:40,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-12-01 15:29:40,574 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-12-01 15:29:40,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:29:40,574 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-12-01 15:29:40,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:29:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-12-01 15:29:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 15:29:40,575 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:29:40,575 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 15:29:40,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:29:40,576 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:29:40,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:29:40,577 INFO L82 PathProgramCache]: Analyzing trace with hash -610139565, now seen corresponding path program 1 times [2020-12-01 15:29:40,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:29:40,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453153871] [2020-12-01 15:29:40,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:29:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:29:40,726 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 15:29:40,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453153871] [2020-12-01 15:29:40,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:29:40,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:29:40,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824862375] [2020-12-01 15:29:40,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:29:40,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:29:40,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:29:40,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:29:40,731 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-12-01 15:29:40,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:29:40,750 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-12-01 15:29:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:29:40,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-01 15:29:40,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:29:40,752 INFO L225 Difference]: With dead ends: 53 [2020-12-01 15:29:40,752 INFO L226 Difference]: Without dead ends: 27 [2020-12-01 15:29:40,753 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 15:29:40,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-01 15:29:40,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-01 15:29:40,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-01 15:29:40,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-12-01 15:29:40,758 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-12-01 15:29:40,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:29:40,759 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-12-01 15:29:40,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:29:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-12-01 15:29:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 15:29:40,760 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:29:40,760 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 15:29:40,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:29:40,760 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:29:40,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:29:40,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2020-12-01 15:29:40,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:29:40,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179799532] [2020-12-01 15:29:40,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:29:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:29:40,978 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 15:29:40,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179799532] [2020-12-01 15:29:40,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:29:40,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-01 15:29:40,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590970592] [2020-12-01 15:29:40,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-01 15:29:40,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:29:40,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-01 15:29:40,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:29:40,987 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2020-12-01 15:29:41,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:29:41,429 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2020-12-01 15:29:41,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-01 15:29:41,430 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-12-01 15:29:41,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:29:41,433 INFO L225 Difference]: With dead ends: 142 [2020-12-01 15:29:41,433 INFO L226 Difference]: Without dead ends: 121 [2020-12-01 15:29:41,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-12-01 15:29:41,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-12-01 15:29:41,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2020-12-01 15:29:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-12-01 15:29:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2020-12-01 15:29:41,463 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2020-12-01 15:29:41,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:29:41,463 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2020-12-01 15:29:41,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-01 15:29:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-12-01 15:29:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 15:29:41,465 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:29:41,465 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] [2020-12-01 15:29:41,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:29:41,465 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:29:41,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:29:41,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2020-12-01 15:29:41,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:29:41,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549971929] [2020-12-01 15:29:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:29:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:29:41,607 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 15:29:41,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549971929] [2020-12-01 15:29:41,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:29:41,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:29:41,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985975896] [2020-12-01 15:29:41,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:29:41,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:29:41,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:29:41,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:29:41,610 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2020-12-01 15:29:41,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:29:41,629 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2020-12-01 15:29:41,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:29:41,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-12-01 15:29:41,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:29:41,630 INFO L225 Difference]: With dead ends: 95 [2020-12-01 15:29:41,630 INFO L226 Difference]: Without dead ends: 57 [2020-12-01 15:29:41,631 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 [2020-12-01 15:29:41,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-01 15:29:41,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-01 15:29:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-01 15:29:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2020-12-01 15:29:41,640 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2020-12-01 15:29:41,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:29:41,640 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2020-12-01 15:29:41,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:29:41,641 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-12-01 15:29:41,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 15:29:41,642 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:29:41,642 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:29:41,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:29:41,643 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:29:41,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:29:41,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1471456368, now seen corresponding path program 1 times [2020-12-01 15:29:41,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:29:41,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931243547] [2020-12-01 15:29:41,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:29:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:29:41,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:29:41,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931243547] [2020-12-01 15:29:41,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843653970] [2020-12-01 15:29:41,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:29:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:29:41,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:29:41,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:29:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:29:42,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:29:42,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-12-01 15:29:42,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034215152] [2020-12-01 15:29:42,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:29:42,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:29:42,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:29:42,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:29:42,062 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 4 states. [2020-12-01 15:29:42,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:29:42,157 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions. [2020-12-01 15:29:42,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:29:42,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-01 15:29:42,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:29:42,159 INFO L225 Difference]: With dead ends: 73 [2020-12-01 15:29:42,159 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:29:42,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:29:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:29:42,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:29:42,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:29:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:29:42,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-12-01 15:29:42,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:29:42,161 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:29:42,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:29:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:29:42,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:29:42,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:29:42,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:29:42,938 INFO L262 CegarLoopResult]: For program point L762(lines 762 766) no Hoare annotation was computed. [2020-12-01 15:29:42,938 INFO L262 CegarLoopResult]: For program point L729(lines 729 742) no Hoare annotation was computed. [2020-12-01 15:29:42,938 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:29:42,938 INFO L262 CegarLoopResult]: For program point L762-3(lines 762 766) no Hoare annotation was computed. [2020-12-01 15:29:42,939 INFO L262 CegarLoopResult]: For program point L762-6(lines 762 766) no Hoare annotation was computed. [2020-12-01 15:29:42,939 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 15:29:42,939 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-12-01 15:29:42,940 INFO L262 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-12-01 15:29:42,940 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:29:42,941 INFO L262 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-12-01 15:29:42,941 INFO L258 CegarLoopResult]: At program point L53-1(lines 1 869) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (<= 2 ~waterLevel~0) .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))))) [2020-12-01 15:29:42,941 INFO L262 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2020-12-01 15:29:42,941 INFO L258 CegarLoopResult]: At program point L53-3(lines 1 869) the Hoare annotation is: false [2020-12-01 15:29:42,941 INFO L262 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2020-12-01 15:29:42,942 INFO L258 CegarLoopResult]: At program point L53-5(lines 1 869) the Hoare annotation is: false [2020-12-01 15:29:42,942 INFO L258 CegarLoopResult]: At program point L747(lines 698 748) the Hoare annotation is: false [2020-12-01 15:29:42,943 INFO L258 CegarLoopResult]: At program point L831(lines 826 834) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2020-12-01 15:29:42,943 INFO L258 CegarLoopResult]: At program point L831-1(lines 826 834) the Hoare annotation is: false [2020-12-01 15:29:42,943 INFO L258 CegarLoopResult]: At program point L831-2(lines 826 834) the Hoare annotation is: false [2020-12-01 15:29:42,943 INFO L262 CegarLoopResult]: For program point L700(lines 699 746) no Hoare annotation was computed. [2020-12-01 15:29:42,944 INFO L258 CegarLoopResult]: At program point L866(lines 861 869) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2020-12-01 15:29:42,945 INFO L262 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-12-01 15:29:42,948 INFO L262 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-12-01 15:29:42,948 INFO L262 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-12-01 15:29:42,948 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2020-12-01 15:29:42,949 INFO L265 CegarLoopResult]: At program point L536-1(lines 536 543) the Hoare annotation is: true [2020-12-01 15:29:42,949 INFO L262 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2020-12-01 15:29:42,949 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:29:42,949 INFO L258 CegarLoopResult]: At program point L570(lines 570 576) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 (<= 1 ~waterLevel~0) .cse1))) [2020-12-01 15:29:42,949 INFO L258 CegarLoopResult]: At program point L570-1(lines 570 576) the Hoare annotation is: false [2020-12-01 15:29:42,949 INFO L258 CegarLoopResult]: At program point L570-2(lines 570 576) the Hoare annotation is: false [2020-12-01 15:29:42,950 INFO L262 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-12-01 15:29:42,950 INFO L258 CegarLoopResult]: At program point L719-1(lines 719 725) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 (<= 1 ~waterLevel~0) .cse1))) [2020-12-01 15:29:42,950 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:29:42,950 INFO L262 CegarLoopResult]: For program point L786(lines 786 790) no Hoare annotation was computed. [2020-12-01 15:29:42,950 INFO L262 CegarLoopResult]: For program point L737(lines 737 741) no Hoare annotation was computed. [2020-12-01 15:29:42,951 INFO L258 CegarLoopResult]: At program point L737-2(lines 563 569) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 (<= 1 ~waterLevel~0) .cse1))) [2020-12-01 15:29:42,951 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:29:42,951 INFO L262 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-12-01 15:29:42,951 INFO L262 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-12-01 15:29:42,951 INFO L262 CegarLoopResult]: For program point L441-2(line 441) no Hoare annotation was computed. [2020-12-01 15:29:42,951 INFO L258 CegarLoopResult]: At program point L458-2(lines 458 472) the Hoare annotation is: false [2020-12-01 15:29:42,951 INFO L258 CegarLoopResult]: At program point L640(lines 635 643) the Hoare annotation is: false [2020-12-01 15:29:42,952 INFO L258 CegarLoopResult]: At program point L640-1(lines 635 643) the Hoare annotation is: false [2020-12-01 15:29:42,952 INFO L258 CegarLoopResult]: At program point L640-2(lines 635 643) the Hoare annotation is: false [2020-12-01 15:29:42,952 INFO L262 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-12-01 15:29:42,952 INFO L258 CegarLoopResult]: At program point L509(lines 505 511) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0)) [2020-12-01 15:29:42,952 INFO L262 CegarLoopResult]: For program point L774(lines 774 778) no Hoare annotation was computed. [2020-12-01 15:29:42,952 INFO L262 CegarLoopResult]: For program point L709(lines 709 715) no Hoare annotation was computed. [2020-12-01 15:29:42,953 INFO L258 CegarLoopResult]: At program point L709-1(lines 709 715) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 (<= 1 ~waterLevel~0) .cse1))) [2020-12-01 15:29:42,953 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:29:42,953 INFO L258 CegarLoopResult]: At program point L858(lines 1 869) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-12-01 15:29:42,953 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:29:42,953 INFO L262 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-12-01 15:29:42,953 INFO L262 CegarLoopResult]: For program point L462-1(lines 563 569) no Hoare annotation was computed. [2020-12-01 15:29:42,953 INFO L265 CegarLoopResult]: At program point L545(lines 526 548) the Hoare annotation is: true [2020-12-01 15:29:42,954 INFO L258 CegarLoopResult]: At program point L563(lines 562 581) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 (<= 1 ~waterLevel~0) .cse1))) [2020-12-01 15:29:42,954 INFO L262 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2020-12-01 15:29:42,954 INFO L258 CegarLoopResult]: At program point L563-2(lines 562 581) the Hoare annotation is: false [2020-12-01 15:29:42,954 INFO L258 CegarLoopResult]: At program point L563-3(lines 562 581) the Hoare annotation is: false [2020-12-01 15:29:42,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:29:42 BoogieIcfgContainer [2020-12-01 15:29:42,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:29:42,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:29:42,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:29:42,994 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:29:42,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:29:39" (3/4) ... [2020-12-01 15:29:43,001 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:29:43,024 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-01 15:29:43,024 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 15:29:43,025 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 15:29:43,026 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 15:29:43,026 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 15:29:43,027 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:29:43,027 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:29:43,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 [2020-12-01 15:29:43,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 [2020-12-01 15:29:43,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) [2020-12-01 15:29:43,063 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-01 15:29:43,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-01 15:29:43,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-01 15:29:43,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-01 15:29:43,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-01 15:29:43,068 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-01 15:29:43,135 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_10f97e96-866b-43a8-aeac-3ef5474f42b6/bin/uautomizer/witness.graphml [2020-12-01 15:29:43,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:29:43,137 INFO L168 Benchmark]: Toolchain (without parser) took 4934.69 ms. Allocated memory was 111.1 MB in the beginning and 151.0 MB in the end (delta: 39.8 MB). Free memory was 75.3 MB in the beginning and 86.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:29:43,138 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 111.1 MB. Free memory was 81.6 MB in the beginning and 81.6 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:29:43,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.40 ms. Allocated memory is still 111.1 MB. Free memory was 75.1 MB in the beginning and 76.9 MB in the end (delta: -1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:29:43,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.96 ms. Allocated memory is still 111.1 MB. Free memory was 76.9 MB in the beginning and 74.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:29:43,139 INFO L168 Benchmark]: Boogie Preprocessor took 36.23 ms. Allocated memory is still 111.1 MB. Free memory was 74.3 MB in the beginning and 72.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:29:43,141 INFO L168 Benchmark]: RCFGBuilder took 1050.21 ms. Allocated memory is still 111.1 MB. Free memory was 72.2 MB in the beginning and 74.1 MB in the end (delta: -1.9 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:29:43,141 INFO L168 Benchmark]: TraceAbstraction took 3006.94 ms. Allocated memory was 111.1 MB in the beginning and 151.0 MB in the end (delta: 39.8 MB). Free memory was 73.5 MB in the beginning and 91.5 MB in the end (delta: -18.0 MB). Peak memory consumption was 58.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:29:43,142 INFO L168 Benchmark]: Witness Printer took 142.07 ms. Allocated memory is still 151.0 MB. Free memory was 91.5 MB in the beginning and 86.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:29:43,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 111.1 MB. Free memory was 81.6 MB in the beginning and 81.6 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 594.40 ms. Allocated memory is still 111.1 MB. Free memory was 75.1 MB in the beginning and 76.9 MB in the end (delta: -1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.96 ms. Allocated memory is still 111.1 MB. Free memory was 76.9 MB in the beginning and 74.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.23 ms. Allocated memory is still 111.1 MB. Free memory was 74.3 MB in the beginning and 72.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1050.21 ms. Allocated memory is still 111.1 MB. Free memory was 72.2 MB in the beginning and 74.1 MB in the end (delta: -1.9 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3006.94 ms. Allocated memory was 111.1 MB in the beginning and 151.0 MB in the end (delta: 39.8 MB). Free memory was 73.5 MB in the beginning and 91.5 MB in the end (delta: -18.0 MB). Peak memory consumption was 58.9 MB. Max. memory is 16.1 GB. * Witness Printer took 142.07 ms. Allocated memory is still 151.0 MB. Free memory was 91.5 MB in the beginning and 86.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1 && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 293 SDslu, 280 SDs, 0 SdLazy, 84 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 41 NumberOfFragments, 250 HoareAnnotationTreeSize, 25 FomulaSimplifications, 288 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 9184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 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...