./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/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 4a7d01a18e8eb658e3fdab12793134365cb1bc41 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:41:03,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:41:03,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:41:03,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:41:03,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:41:03,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:41:03,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:41:03,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:41:03,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:41:03,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:41:03,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:41:03,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:41:03,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:41:03,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:41:03,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:41:03,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:41:03,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:41:03,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:41:03,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:41:03,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:41:03,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:41:03,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:41:03,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:41:03,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:41:03,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:41:03,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:41:03,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:41:03,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:41:03,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:41:03,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:41:03,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:41:03,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:41:03,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:41:03,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:41:03,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:41:03,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:41:03,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:41:03,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:41:03,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:41:03,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:41:03,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:41:03,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:41:03,332 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:41:03,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:41:03,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:41:03,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:41:03,335 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:41:03,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:41:03,336 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:41:03,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:41:03,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:41:03,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:41:03,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:41:03,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:41:03,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:41:03,338 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:41:03,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:41:03,338 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:41:03,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:41:03,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:41:03,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:41:03,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:41:03,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:41:03,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:41:03,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:41:03,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:41:03,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:41:03,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:41:03,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:41:03,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:41:03,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:41:03,343 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_1c497542-3ff7-44eb-8731-52f0b8b7e79a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a7d01a18e8eb658e3fdab12793134365cb1bc41 [2020-11-29 19:41:03,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:41:03,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:41:03,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:41:03,799 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:41:03,800 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:41:03,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2020-11-29 19:41:03,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/data/1fe1b9ead/158d8b6cdc3e41459fd5353f90fbf61e/FLAGb3a5e0de0 [2020-11-29 19:41:04,589 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:41:04,590 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2020-11-29 19:41:04,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/data/1fe1b9ead/158d8b6cdc3e41459fd5353f90fbf61e/FLAGb3a5e0de0 [2020-11-29 19:41:04,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/data/1fe1b9ead/158d8b6cdc3e41459fd5353f90fbf61e [2020-11-29 19:41:04,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:41:04,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:41:04,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:41:04,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:41:04,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:41:04,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:41:04" (1/1) ... [2020-11-29 19:41:04,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14845c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:04, skipping insertion in model container [2020-11-29 19:41:04,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:41:04" (1/1) ... [2020-11-29 19:41:04,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:41:04,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:41:05,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:41:05,450 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:41:05,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:41:05,665 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:41:05,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05 WrapperNode [2020-11-29 19:41:05,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:41:05,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:41:05,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:41:05,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:41:05,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05" (1/1) ... [2020-11-29 19:41:05,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05" (1/1) ... [2020-11-29 19:41:05,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:41:05,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:41:05,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:41:05,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:41:05,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05" (1/1) ... [2020-11-29 19:41:05,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05" (1/1) ... [2020-11-29 19:41:05,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05" (1/1) ... [2020-11-29 19:41:05,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05" (1/1) ... [2020-11-29 19:41:05,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05" (1/1) ... [2020-11-29 19:41:05,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05" (1/1) ... [2020-11-29 19:41:05,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05" (1/1) ... [2020-11-29 19:41:05,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:41:05,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:41:05,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:41:05,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:41:05,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:41:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:41:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:41:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:41:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:41:07,268 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:41:07,269 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-11-29 19:41:07,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:41:07 BoogieIcfgContainer [2020-11-29 19:41:07,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:41:07,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:41:07,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:41:07,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:41:07,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:41:04" (1/3) ... [2020-11-29 19:41:07,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c74133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:41:07, skipping insertion in model container [2020-11-29 19:41:07,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:41:05" (2/3) ... [2020-11-29 19:41:07,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c74133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:41:07, skipping insertion in model container [2020-11-29 19:41:07,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:41:07" (3/3) ... [2020-11-29 19:41:07,289 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2020-11-29 19:41:07,303 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:41:07,309 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 19:41:07,325 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 19:41:07,377 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:41:07,377 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:41:07,378 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:41:07,378 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:41:07,378 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:41:07,379 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:41:07,379 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:41:07,379 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:41:07,410 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2020-11-29 19:41:07,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:41:07,419 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:07,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:07,421 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:07,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:07,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1013956240, now seen corresponding path program 1 times [2020-11-29 19:41:07,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:07,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403859884] [2020-11-29 19:41:07,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:41:07,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403859884] [2020-11-29 19:41:07,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:41:07,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:41:07,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392001103] [2020-11-29 19:41:07,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:41:07,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:07,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:41:07,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:41:07,896 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2020-11-29 19:41:07,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:07,961 INFO L93 Difference]: Finished difference Result 235 states and 356 transitions. [2020-11-29 19:41:07,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:41:07,963 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 19:41:07,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:07,986 INFO L225 Difference]: With dead ends: 235 [2020-11-29 19:41:07,986 INFO L226 Difference]: Without dead ends: 115 [2020-11-29 19:41:08,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:41:08,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-29 19:41:08,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-29 19:41:08,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-29 19:41:08,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2020-11-29 19:41:08,085 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2020-11-29 19:41:08,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:08,086 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2020-11-29 19:41:08,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:41:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-11-29 19:41:08,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:41:08,091 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:08,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:08,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:41:08,092 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:08,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:08,098 INFO L82 PathProgramCache]: Analyzing trace with hash -2060713137, now seen corresponding path program 1 times [2020-11-29 19:41:08,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:08,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412286394] [2020-11-29 19:41:08,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:41:08,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412286394] [2020-11-29 19:41:08,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:41:08,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:41:08,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026446335] [2020-11-29 19:41:08,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:41:08,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:08,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:41:08,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:41:08,319 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2020-11-29 19:41:08,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:08,332 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-11-29 19:41:08,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:41:08,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-29 19:41:08,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:08,334 INFO L225 Difference]: With dead ends: 115 [2020-11-29 19:41:08,334 INFO L226 Difference]: Without dead ends: 49 [2020-11-29 19:41:08,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:41:08,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-29 19:41:08,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-29 19:41:08,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-29 19:41:08,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-29 19:41:08,342 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2020-11-29 19:41:08,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:08,343 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-29 19:41:08,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:41:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-29 19:41:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:41:08,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:08,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:08,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:41:08,345 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:08,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:08,346 INFO L82 PathProgramCache]: Analyzing trace with hash -2061312917, now seen corresponding path program 1 times [2020-11-29 19:41:08,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:08,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344504712] [2020-11-29 19:41:08,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:08,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:41:08,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344504712] [2020-11-29 19:41:08,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:41:08,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:41:08,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806349511] [2020-11-29 19:41:08,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:41:08,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:08,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:41:08,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:41:08,528 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2020-11-29 19:41:08,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:08,652 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-11-29 19:41:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:41:08,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-29 19:41:08,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:08,659 INFO L225 Difference]: With dead ends: 115 [2020-11-29 19:41:08,659 INFO L226 Difference]: Without dead ends: 72 [2020-11-29 19:41:08,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:41:08,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-11-29 19:41:08,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-11-29 19:41:08,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-29 19:41:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2020-11-29 19:41:08,679 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 22 [2020-11-29 19:41:08,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:08,680 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2020-11-29 19:41:08,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:41:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2020-11-29 19:41:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:41:08,682 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:08,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:08,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:41:08,683 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:08,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:08,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1499976397, now seen corresponding path program 1 times [2020-11-29 19:41:08,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:08,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472325360] [2020-11-29 19:41:08,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:41:08,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472325360] [2020-11-29 19:41:08,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:41:08,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:41:08,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817839086] [2020-11-29 19:41:08,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:41:08,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:08,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:41:08,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:41:08,796 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand 3 states. [2020-11-29 19:41:08,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:08,884 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-29 19:41:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:41:08,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 19:41:08,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:08,886 INFO L225 Difference]: With dead ends: 151 [2020-11-29 19:41:08,886 INFO L226 Difference]: Without dead ends: 89 [2020-11-29 19:41:08,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:41:08,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-29 19:41:08,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-11-29 19:41:08,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-29 19:41:08,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2020-11-29 19:41:08,907 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 24 [2020-11-29 19:41:08,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:08,908 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2020-11-29 19:41:08,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:41:08,908 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2020-11-29 19:41:08,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 19:41:08,909 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:08,910 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] [2020-11-29 19:41:08,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:41:08,910 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:08,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:08,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1678878848, now seen corresponding path program 1 times [2020-11-29 19:41:08,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:08,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519651063] [2020-11-29 19:41:08,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:41:09,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519651063] [2020-11-29 19:41:09,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:41:09,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 19:41:09,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158591754] [2020-11-29 19:41:09,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 19:41:09,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:09,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 19:41:09,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:41:09,087 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand 8 states. [2020-11-29 19:41:09,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:09,649 INFO L93 Difference]: Finished difference Result 551 states and 808 transitions. [2020-11-29 19:41:09,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 19:41:09,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-29 19:41:09,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:09,655 INFO L225 Difference]: With dead ends: 551 [2020-11-29 19:41:09,656 INFO L226 Difference]: Without dead ends: 470 [2020-11-29 19:41:09,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-29 19:41:09,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-11-29 19:41:09,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 216. [2020-11-29 19:41:09,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-11-29 19:41:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 302 transitions. [2020-11-29 19:41:09,722 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 302 transitions. Word has length 25 [2020-11-29 19:41:09,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:09,723 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 302 transitions. [2020-11-29 19:41:09,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 19:41:09,723 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 302 transitions. [2020-11-29 19:41:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 19:41:09,726 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:09,726 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, 1, 1, 1, 1] [2020-11-29 19:41:09,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:41:09,727 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:09,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:09,728 INFO L82 PathProgramCache]: Analyzing trace with hash 721993238, now seen corresponding path program 1 times [2020-11-29 19:41:09,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:09,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664717645] [2020-11-29 19:41:09,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:41:09,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664717645] [2020-11-29 19:41:09,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430791503] [2020-11-29 19:41:09,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/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 [2020-11-29 19:41:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:10,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:41:10,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:41:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:41:10,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:41:10,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-11-29 19:41:10,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212326440] [2020-11-29 19:41:10,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:41:10,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:10,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:41:10,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:41:10,142 INFO L87 Difference]: Start difference. First operand 216 states and 302 transitions. Second operand 4 states. [2020-11-29 19:41:10,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:10,359 INFO L93 Difference]: Finished difference Result 483 states and 689 transitions. [2020-11-29 19:41:10,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:41:10,360 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-11-29 19:41:10,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:10,363 INFO L225 Difference]: With dead ends: 483 [2020-11-29 19:41:10,363 INFO L226 Difference]: Without dead ends: 332 [2020-11-29 19:41:10,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:41:10,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-11-29 19:41:10,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 320. [2020-11-29 19:41:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-11-29 19:41:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 453 transitions. [2020-11-29 19:41:10,404 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 453 transitions. Word has length 41 [2020-11-29 19:41:10,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:10,405 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 453 transitions. [2020-11-29 19:41:10,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:41:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 453 transitions. [2020-11-29 19:41:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 19:41:10,409 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:10,409 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:10,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-29 19:41:10,636 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:10,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:10,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1190058869, now seen corresponding path program 1 times [2020-11-29 19:41:10,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:10,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859478593] [2020-11-29 19:41:10,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:41:10,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859478593] [2020-11-29 19:41:10,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:41:10,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:41:10,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734105912] [2020-11-29 19:41:10,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:41:10,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:10,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:41:10,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:41:10,724 INFO L87 Difference]: Start difference. First operand 320 states and 453 transitions. Second operand 5 states. [2020-11-29 19:41:10,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:10,863 INFO L93 Difference]: Finished difference Result 998 states and 1404 transitions. [2020-11-29 19:41:10,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:41:10,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-11-29 19:41:10,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:10,877 INFO L225 Difference]: With dead ends: 998 [2020-11-29 19:41:10,877 INFO L226 Difference]: Without dead ends: 684 [2020-11-29 19:41:10,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:41:10,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-11-29 19:41:10,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 341. [2020-11-29 19:41:10,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-11-29 19:41:10,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 474 transitions. [2020-11-29 19:41:10,924 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 474 transitions. Word has length 50 [2020-11-29 19:41:10,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:10,924 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 474 transitions. [2020-11-29 19:41:10,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:41:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 474 transitions. [2020-11-29 19:41:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 19:41:10,932 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:10,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:10,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:41:10,934 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:10,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:10,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1212691123, now seen corresponding path program 1 times [2020-11-29 19:41:10,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:10,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974244853] [2020-11-29 19:41:10,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:41:11,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974244853] [2020-11-29 19:41:11,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:41:11,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 19:41:11,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977386707] [2020-11-29 19:41:11,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:41:11,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:11,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:41:11,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:41:11,070 INFO L87 Difference]: Start difference. First operand 341 states and 474 transitions. Second operand 6 states. [2020-11-29 19:41:11,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:11,253 INFO L93 Difference]: Finished difference Result 849 states and 1180 transitions. [2020-11-29 19:41:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:41:11,253 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-11-29 19:41:11,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:11,258 INFO L225 Difference]: With dead ends: 849 [2020-11-29 19:41:11,258 INFO L226 Difference]: Without dead ends: 514 [2020-11-29 19:41:11,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-29 19:41:11,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-11-29 19:41:11,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 310. [2020-11-29 19:41:11,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-29 19:41:11,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 426 transitions. [2020-11-29 19:41:11,301 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 426 transitions. Word has length 50 [2020-11-29 19:41:11,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:11,302 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 426 transitions. [2020-11-29 19:41:11,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:41:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 426 transitions. [2020-11-29 19:41:11,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 19:41:11,304 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:11,304 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:11,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:41:11,305 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:11,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:11,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1185279855, now seen corresponding path program 1 times [2020-11-29 19:41:11,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:11,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959507664] [2020-11-29 19:41:11,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:41:11,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959507664] [2020-11-29 19:41:11,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:41:11,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:41:11,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207347771] [2020-11-29 19:41:11,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:41:11,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:11,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:41:11,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:41:11,419 INFO L87 Difference]: Start difference. First operand 310 states and 426 transitions. Second operand 5 states. [2020-11-29 19:41:11,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:11,566 INFO L93 Difference]: Finished difference Result 1140 states and 1590 transitions. [2020-11-29 19:41:11,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:41:11,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-11-29 19:41:11,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:11,573 INFO L225 Difference]: With dead ends: 1140 [2020-11-29 19:41:11,573 INFO L226 Difference]: Without dead ends: 878 [2020-11-29 19:41:11,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:41:11,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2020-11-29 19:41:11,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 316. [2020-11-29 19:41:11,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-11-29 19:41:11,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2020-11-29 19:41:11,645 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 51 [2020-11-29 19:41:11,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:11,647 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2020-11-29 19:41:11,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:41:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2020-11-29 19:41:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 19:41:11,648 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:11,651 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:11,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:41:11,652 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:11,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:11,652 INFO L82 PathProgramCache]: Analyzing trace with hash 792252845, now seen corresponding path program 1 times [2020-11-29 19:41:11,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:11,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168787759] [2020-11-29 19:41:11,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:41:11,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168787759] [2020-11-29 19:41:11,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:41:11,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:41:11,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611540779] [2020-11-29 19:41:11,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:41:11,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:11,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:41:11,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:41:11,785 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand 5 states. [2020-11-29 19:41:12,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:12,077 INFO L93 Difference]: Finished difference Result 838 states and 1149 transitions. [2020-11-29 19:41:12,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 19:41:12,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-11-29 19:41:12,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:12,085 INFO L225 Difference]: With dead ends: 838 [2020-11-29 19:41:12,085 INFO L226 Difference]: Without dead ends: 836 [2020-11-29 19:41:12,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 19:41:12,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-11-29 19:41:12,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 316. [2020-11-29 19:41:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-11-29 19:41:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 427 transitions. [2020-11-29 19:41:12,142 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 427 transitions. Word has length 51 [2020-11-29 19:41:12,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:12,143 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 427 transitions. [2020-11-29 19:41:12,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:41:12,143 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 427 transitions. [2020-11-29 19:41:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 19:41:12,145 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:12,145 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:12,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:41:12,146 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:12,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:12,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1433113943, now seen corresponding path program 1 times [2020-11-29 19:41:12,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:12,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095705305] [2020-11-29 19:41:12,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:12,286 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:41:12,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095705305] [2020-11-29 19:41:12,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024094727] [2020-11-29 19:41:12,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:41:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:12,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 19:41:12,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:41:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:41:12,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:41:12,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-11-29 19:41:12,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476996697] [2020-11-29 19:41:12,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:41:12,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:12,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:41:12,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:41:12,585 INFO L87 Difference]: Start difference. First operand 316 states and 427 transitions. Second operand 6 states. [2020-11-29 19:41:13,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:13,018 INFO L93 Difference]: Finished difference Result 704 states and 951 transitions. [2020-11-29 19:41:13,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 19:41:13,021 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-11-29 19:41:13,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:13,025 INFO L225 Difference]: With dead ends: 704 [2020-11-29 19:41:13,025 INFO L226 Difference]: Without dead ends: 436 [2020-11-29 19:41:13,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-29 19:41:13,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-11-29 19:41:13,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 278. [2020-11-29 19:41:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-11-29 19:41:13,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 369 transitions. [2020-11-29 19:41:13,069 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 369 transitions. Word has length 52 [2020-11-29 19:41:13,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:13,071 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 369 transitions. [2020-11-29 19:41:13,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:41:13,071 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 369 transitions. [2020-11-29 19:41:13,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-29 19:41:13,072 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:13,073 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:13,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:41:13,300 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:13,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:13,301 INFO L82 PathProgramCache]: Analyzing trace with hash 2063034232, now seen corresponding path program 2 times [2020-11-29 19:41:13,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:13,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412647851] [2020-11-29 19:41:13,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:13,496 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:41:13,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412647851] [2020-11-29 19:41:13,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:41:13,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:41:13,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485139234] [2020-11-29 19:41:13,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:41:13,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:13,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:41:13,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:41:13,500 INFO L87 Difference]: Start difference. First operand 278 states and 369 transitions. Second operand 5 states. [2020-11-29 19:41:13,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:13,865 INFO L93 Difference]: Finished difference Result 818 states and 1103 transitions. [2020-11-29 19:41:13,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:41:13,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-11-29 19:41:13,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:13,870 INFO L225 Difference]: With dead ends: 818 [2020-11-29 19:41:13,870 INFO L226 Difference]: Without dead ends: 587 [2020-11-29 19:41:13,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:41:13,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-11-29 19:41:13,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 379. [2020-11-29 19:41:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-11-29 19:41:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 503 transitions. [2020-11-29 19:41:13,932 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 503 transitions. Word has length 73 [2020-11-29 19:41:13,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:13,932 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 503 transitions. [2020-11-29 19:41:13,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:41:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 503 transitions. [2020-11-29 19:41:13,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-29 19:41:13,934 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:41:13,934 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:41:13,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 19:41:13,935 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:41:13,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:41:13,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1957173450, now seen corresponding path program 1 times [2020-11-29 19:41:13,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:41:13,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815991237] [2020-11-29 19:41:13,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:41:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:41:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 19:41:14,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815991237] [2020-11-29 19:41:14,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:41:14,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 19:41:14,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330521468] [2020-11-29 19:41:14,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 19:41:14,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:41:14,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 19:41:14,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:41:14,086 INFO L87 Difference]: Start difference. First operand 379 states and 503 transitions. Second operand 7 states. [2020-11-29 19:41:14,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:41:14,279 INFO L93 Difference]: Finished difference Result 723 states and 960 transitions. [2020-11-29 19:41:14,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:41:14,280 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-11-29 19:41:14,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:41:14,282 INFO L225 Difference]: With dead ends: 723 [2020-11-29 19:41:14,282 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:41:14,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-29 19:41:14,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:41:14,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:41:14,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:41:14,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:41:14,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-11-29 19:41:14,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:41:14,287 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:41:14,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 19:41:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:41:14,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:41:14,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:41:14,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:41:14,939 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 145 [2020-11-29 19:41:15,077 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 59 [2020-11-29 19:41:15,478 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 157 [2020-11-29 19:41:16,050 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 160 [2020-11-29 19:41:16,509 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 165 [2020-11-29 19:41:16,720 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 91 [2020-11-29 19:41:16,936 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 83 [2020-11-29 19:41:17,165 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 120 [2020-11-29 19:41:17,548 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 160 [2020-11-29 19:41:18,164 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 23 [2020-11-29 19:41:18,390 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 32 [2020-11-29 19:41:19,013 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-11-29 19:41:19,819 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 33 [2020-11-29 19:41:20,572 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-11-29 19:41:20,953 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 23 [2020-11-29 19:41:21,086 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2020-11-29 19:41:21,350 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 13 [2020-11-29 19:41:21,659 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2020-11-29 19:41:22,348 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 33 [2020-11-29 19:41:22,366 INFO L270 CegarLoopResult]: At program point L828-2(lines 828 842) the Hoare annotation is: false [2020-11-29 19:41:22,366 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:41:22,366 INFO L270 CegarLoopResult]: At program point L168(lines 167 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3))) [2020-11-29 19:41:22,366 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-11-29 19:41:22,366 INFO L270 CegarLoopResult]: At program point L168-2(lines 167 186) the Hoare annotation is: false [2020-11-29 19:41:22,367 INFO L270 CegarLoopResult]: At program point L168-3(lines 167 186) the Hoare annotation is: false [2020-11-29 19:41:22,367 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 19:41:22,367 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 19:41:22,367 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 19:41:22,367 INFO L274 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-11-29 19:41:22,367 INFO L270 CegarLoopResult]: At program point L334(lines 319 337) the Hoare annotation is: false [2020-11-29 19:41:22,367 INFO L270 CegarLoopResult]: At program point L334-1(lines 319 337) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0) .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-11-29 19:41:22,368 INFO L270 CegarLoopResult]: At program point L334-2(lines 319 337) the Hoare annotation is: false [2020-11-29 19:41:22,368 INFO L270 CegarLoopResult]: At program point L334-3(lines 319 337) the Hoare annotation is: false [2020-11-29 19:41:22,368 INFO L270 CegarLoopResult]: At program point L334-4(lines 319 337) the Hoare annotation is: false [2020-11-29 19:41:22,368 INFO L270 CegarLoopResult]: At program point L334-5(lines 319 337) the Hoare annotation is: false [2020-11-29 19:41:22,368 INFO L274 CegarLoopResult]: For program point L402(lines 402 408) no Hoare annotation was computed. [2020-11-29 19:41:22,368 INFO L270 CegarLoopResult]: At program point L402-1(lines 402 408) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)))) [2020-11-29 19:41:22,368 INFO L274 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-11-29 19:41:22,369 INFO L274 CegarLoopResult]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2020-11-29 19:41:22,369 INFO L270 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2020-11-29 19:41:22,369 INFO L274 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-11-29 19:41:22,369 INFO L270 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2020-11-29 19:41:22,369 INFO L274 CegarLoopResult]: For program point L204-3(lines 204 212) no Hoare annotation was computed. [2020-11-29 19:41:22,369 INFO L270 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2020-11-29 19:41:22,369 INFO L274 CegarLoopResult]: For program point L204-4(lines 204 212) no Hoare annotation was computed. [2020-11-29 19:41:22,370 INFO L270 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2020-11-29 19:41:22,370 INFO L274 CegarLoopResult]: For program point L204-5(lines 204 212) no Hoare annotation was computed. [2020-11-29 19:41:22,370 INFO L270 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2020-11-29 19:41:22,370 INFO L270 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2020-11-29 19:41:22,370 INFO L274 CegarLoopResult]: For program point L832(lines 832 836) no Hoare annotation was computed. [2020-11-29 19:41:22,370 INFO L274 CegarLoopResult]: For program point L832-1(lines 168 174) no Hoare annotation was computed. [2020-11-29 19:41:22,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:41:22,371 INFO L270 CegarLoopResult]: At program point L175(lines 175 181) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2020-11-29 19:41:22,371 INFO L270 CegarLoopResult]: At program point L175-1(lines 175 181) the Hoare annotation is: false [2020-11-29 19:41:22,371 INFO L270 CegarLoopResult]: At program point L175-2(lines 175 181) the Hoare annotation is: false [2020-11-29 19:41:22,371 INFO L274 CegarLoopResult]: For program point L968(lines 968 981) no Hoare annotation was computed. [2020-11-29 19:41:22,372 INFO L270 CegarLoopResult]: At program point L968-1(lines 1 984) the Hoare annotation is: (let ((.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse6 .cse1 .cse2 .cse5))) [2020-11-29 19:41:22,372 INFO L274 CegarLoopResult]: For program point L902(lines 902 909) no Hoare annotation was computed. [2020-11-29 19:41:22,373 INFO L274 CegarLoopResult]: For program point L968-2(lines 968 981) no Hoare annotation was computed. [2020-11-29 19:41:22,373 INFO L270 CegarLoopResult]: At program point L968-3(lines 1 984) the Hoare annotation is: false [2020-11-29 19:41:22,373 INFO L277 CegarLoopResult]: At program point L902-1(lines 902 909) the Hoare annotation is: true [2020-11-29 19:41:22,373 INFO L274 CegarLoopResult]: For program point L968-4(lines 968 981) no Hoare annotation was computed. [2020-11-29 19:41:22,373 INFO L270 CegarLoopResult]: At program point L968-5(lines 1 984) the Hoare annotation is: false [2020-11-29 19:41:22,374 INFO L270 CegarLoopResult]: At program point L442(lines 391 443) the Hoare annotation is: false [2020-11-29 19:41:22,374 INFO L270 CegarLoopResult]: At program point L938(lines 1 984) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-11-29 19:41:22,374 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-11-29 19:41:22,374 INFO L274 CegarLoopResult]: For program point L972(lines 972 978) no Hoare annotation was computed. [2020-11-29 19:41:22,374 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 978) no Hoare annotation was computed. [2020-11-29 19:41:22,375 INFO L274 CegarLoopResult]: For program point L972-4(lines 972 978) no Hoare annotation was computed. [2020-11-29 19:41:22,375 INFO L270 CegarLoopResult]: At program point L279(lines 274 282) the Hoare annotation is: false [2020-11-29 19:41:22,375 INFO L270 CegarLoopResult]: At program point L279-1(lines 274 282) the Hoare annotation is: false [2020-11-29 19:41:22,375 INFO L270 CegarLoopResult]: At program point L279-2(lines 274 282) the Hoare annotation is: false [2020-11-29 19:41:22,375 INFO L274 CegarLoopResult]: For program point L412(lines 412 418) no Hoare annotation was computed. [2020-11-29 19:41:22,376 INFO L270 CegarLoopResult]: At program point L412-1(lines 412 418) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)))) [2020-11-29 19:41:22,376 INFO L270 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 1) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-29 19:41:22,376 INFO L270 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2020-11-29 19:41:22,376 INFO L270 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2020-11-29 19:41:22,377 INFO L274 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-11-29 19:41:22,377 INFO L274 CegarLoopResult]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2020-11-29 19:41:22,377 INFO L274 CegarLoopResult]: For program point L347-3(lines 347 351) no Hoare annotation was computed. [2020-11-29 19:41:22,377 INFO L274 CegarLoopResult]: For program point L347-5(lines 347 351) no Hoare annotation was computed. [2020-11-29 19:41:22,377 INFO L274 CegarLoopResult]: For program point L347-6(lines 347 351) no Hoare annotation was computed. [2020-11-29 19:41:22,378 INFO L274 CegarLoopResult]: For program point L347-8(lines 347 351) no Hoare annotation was computed. [2020-11-29 19:41:22,378 INFO L270 CegarLoopResult]: At program point L876(lines 872 878) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-29 19:41:22,378 INFO L277 CegarLoopResult]: At program point L911(lines 892 914) the Hoare annotation is: true [2020-11-29 19:41:22,378 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:41:22,378 INFO L270 CegarLoopResult]: At program point L946(lines 941 949) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-29 19:41:22,379 INFO L270 CegarLoopResult]: At program point L353(lines 338 356) the Hoare annotation is: (and (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~8 1) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 0))) [2020-11-29 19:41:22,379 INFO L270 CegarLoopResult]: At program point L353-1(lines 338 356) the Hoare annotation is: false [2020-11-29 19:41:22,379 INFO L270 CegarLoopResult]: At program point L353-2(lines 338 356) the Hoare annotation is: false [2020-11-29 19:41:22,379 INFO L274 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-11-29 19:41:22,379 INFO L274 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2020-11-29 19:41:22,380 INFO L274 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2020-11-29 19:41:22,380 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:41:22,380 INFO L274 CegarLoopResult]: For program point L422(lines 422 437) no Hoare annotation was computed. [2020-11-29 19:41:22,380 INFO L270 CegarLoopResult]: At program point L125(lines 120 128) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-11-29 19:41:22,380 INFO L270 CegarLoopResult]: At program point L125-1(lines 120 128) the Hoare annotation is: false [2020-11-29 19:41:22,381 INFO L270 CegarLoopResult]: At program point L125-2(lines 120 128) the Hoare annotation is: false [2020-11-29 19:41:22,381 INFO L274 CegarLoopResult]: For program point L226(lines 226 243) no Hoare annotation was computed. [2020-11-29 19:41:22,381 INFO L274 CegarLoopResult]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2020-11-29 19:41:22,381 INFO L274 CegarLoopResult]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2020-11-29 19:41:22,381 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:41:22,382 INFO L274 CegarLoopResult]: For program point L393(lines 392 441) no Hoare annotation was computed. [2020-11-29 19:41:22,382 INFO L274 CegarLoopResult]: For program point L955(line 955) no Hoare annotation was computed. [2020-11-29 19:41:22,382 INFO L274 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-11-29 19:41:22,382 INFO L274 CegarLoopResult]: For program point L955-2(line 955) no Hoare annotation was computed. [2020-11-29 19:41:22,382 INFO L274 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-11-29 19:41:22,382 INFO L274 CegarLoopResult]: For program point L361(lines 361 367) no Hoare annotation was computed. [2020-11-29 19:41:22,383 INFO L270 CegarLoopResult]: At program point L361-1(lines 361 367) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-29 19:41:22,383 INFO L274 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,383 INFO L274 CegarLoopResult]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,383 INFO L274 CegarLoopResult]: For program point L328-3(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,384 INFO L274 CegarLoopResult]: For program point L328-5(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,384 INFO L274 CegarLoopResult]: For program point L328-6(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,384 INFO L274 CegarLoopResult]: For program point L328-8(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,384 INFO L274 CegarLoopResult]: For program point L328-9(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,384 INFO L274 CegarLoopResult]: For program point L328-11(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,384 INFO L274 CegarLoopResult]: For program point L328-12(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,385 INFO L274 CegarLoopResult]: For program point L328-14(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,385 INFO L274 CegarLoopResult]: For program point L328-15(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,385 INFO L274 CegarLoopResult]: For program point L328-17(lines 328 332) no Hoare annotation was computed. [2020-11-29 19:41:22,385 INFO L274 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-11-29 19:41:22,385 INFO L274 CegarLoopResult]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2020-11-29 19:41:22,386 INFO L274 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-11-29 19:41:22,386 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:41:22,386 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:41:22,386 INFO L274 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-11-29 19:41:22,386 INFO L270 CegarLoopResult]: At program point L430-1(lines 168 174) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2020-11-29 19:41:22,387 INFO L274 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-11-29 19:41:22,387 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2020-11-29 19:41:22,387 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2020-11-29 19:41:22,387 INFO L274 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2020-11-29 19:41:22,387 INFO L274 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2020-11-29 19:41:22,387 INFO L274 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2020-11-29 19:41:22,388 INFO L274 CegarLoopResult]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-11-29 19:41:22,388 INFO L274 CegarLoopResult]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2020-11-29 19:41:22,388 INFO L274 CegarLoopResult]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2020-11-29 19:41:22,388 INFO L274 CegarLoopResult]: For program point L200-3(lines 200 217) no Hoare annotation was computed. [2020-11-29 19:41:22,388 INFO L274 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-11-29 19:41:22,389 INFO L274 CegarLoopResult]: For program point L200-4(lines 200 217) no Hoare annotation was computed. [2020-11-29 19:41:22,389 INFO L274 CegarLoopResult]: For program point L200-5(lines 200 217) no Hoare annotation was computed. [2020-11-29 19:41:22,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:41:22 BoogieIcfgContainer [2020-11-29 19:41:22,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:41:22,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:41:22,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:41:22,452 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:41:22,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:41:07" (3/4) ... [2020-11-29 19:41:22,456 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:41:22,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 19:41:22,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 19:41:22,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 19:41:22,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 19:41:22,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:41:22,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:41:22,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:41:22,550 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-29 19:41:22,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-29 19:41:22,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-29 19:41:22,553 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) [2020-11-29 19:41:22,554 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) [2020-11-29 19:41:22,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-29 19:41:22,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-29 19:41:22,557 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-29 19:41:22,559 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-29 19:41:22,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) [2020-11-29 19:41:22,562 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-29 19:41:22,568 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-29 19:41:22,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp == 1) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && !(tmp___0 == 0) [2020-11-29 19:41:22,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && !(\result == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-29 19:41:22,691 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1c497542-3ff7-44eb-8731-52f0b8b7e79a/bin/uautomizer/witness.graphml [2020-11-29 19:41:22,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:41:22,692 INFO L168 Benchmark]: Toolchain (without parser) took 17818.98 ms. Allocated memory was 132.1 MB in the beginning and 283.1 MB in the end (delta: 151.0 MB). Free memory was 102.9 MB in the beginning and 237.8 MB in the end (delta: -134.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:41:22,693 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 42.0 MB in the beginning and 41.9 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:41:22,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.21 ms. Allocated memory is still 132.1 MB. Free memory was 102.9 MB in the beginning and 98.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:41:22,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.57 ms. Allocated memory is still 132.1 MB. Free memory was 98.5 MB in the beginning and 94.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:41:22,695 INFO L168 Benchmark]: Boogie Preprocessor took 58.46 ms. Allocated memory is still 132.1 MB. Free memory was 94.9 MB in the beginning and 92.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:41:22,695 INFO L168 Benchmark]: RCFGBuilder took 1405.80 ms. Allocated memory is still 132.1 MB. Free memory was 92.3 MB in the beginning and 69.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:41:22,696 INFO L168 Benchmark]: TraceAbstraction took 15173.18 ms. Allocated memory was 132.1 MB in the beginning and 283.1 MB in the end (delta: 151.0 MB). Free memory was 68.8 MB in the beginning and 248.3 MB in the end (delta: -179.5 MB). Peak memory consumption was 134.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:41:22,696 INFO L168 Benchmark]: Witness Printer took 239.89 ms. Allocated memory is still 283.1 MB. Free memory was 248.3 MB in the beginning and 237.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:41:22,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 42.0 MB in the beginning and 41.9 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 794.21 ms. Allocated memory is still 132.1 MB. Free memory was 102.9 MB in the beginning and 98.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 133.57 ms. Allocated memory is still 132.1 MB. Free memory was 98.5 MB in the beginning and 94.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.46 ms. Allocated memory is still 132.1 MB. Free memory was 94.9 MB in the beginning and 92.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1405.80 ms. Allocated memory is still 132.1 MB. Free memory was 92.3 MB in the beginning and 69.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15173.18 ms. Allocated memory was 132.1 MB in the beginning and 283.1 MB in the end (delta: 151.0 MB). Free memory was 68.8 MB in the beginning and 248.3 MB in the end (delta: -179.5 MB). Peak memory consumption was 134.0 MB. Max. memory is 16.1 GB. * Witness Printer took 239.89 ms. Allocated memory is still 283.1 MB. Free memory was 248.3 MB in the beginning and 237.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 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: 175]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && !(\result == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((tmp == 1 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp == 1) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && !(tmp___0 == 0) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.9s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1425 SDtfs, 2622 SDslu, 2427 SDs, 0 SdLazy, 409 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=379occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 2267 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 184 NumberOfFragments, 598 HoareAnnotationTreeSize, 44 FomulaSimplifications, 2563765 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 97267 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 623 ConstructedInterpolants, 0 QuantifiedInterpolants, 49139 SizeOfPredicates, 4 NumberOfNonLiveVariables, 814 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 201/212 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...