./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.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_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/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 4003051e8c7e84d7a7481775cdc05def8cb96ed2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:11:45,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:11:45,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:11:45,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:11:45,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:11:45,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:11:45,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:11:45,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:11:45,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:11:45,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:11:45,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:11:45,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:11:45,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:11:45,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:11:45,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:11:45,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:11:45,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:11:45,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:11:45,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:11:45,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:11:45,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:11:45,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:11:45,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:11:45,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:11:45,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:11:45,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:11:45,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:11:45,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:11:45,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:11:45,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:11:45,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:11:45,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:11:45,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:11:45,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:11:45,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:11:45,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:11:45,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:11:45,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:11:45,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:11:45,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:11:45,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:11:45,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:11:45,378 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:11:45,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:11:45,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:11:45,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:11:45,380 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:11:45,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:11:45,382 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:11:45,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:11:45,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:11:45,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:11:45,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:11:45,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:11:45,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:11:45,385 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:11:45,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:11:45,385 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:11:45,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:11:45,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:11:45,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:11:45,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:11:45,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:11:45,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:11:45,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:11:45,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:11:45,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:11:45,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:11:45,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:11:45,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:11:45,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:11:45,389 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_40255ec5-5592-4f8f-893b-5616d5f65eb5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4003051e8c7e84d7a7481775cdc05def8cb96ed2 [2020-11-28 03:11:45,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:11:45,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:11:45,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:11:45,779 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:11:45,780 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:11:45,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2020-11-28 03:11:45,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/data/9535bc13a/9fbd243125364795802d68b5049158d0/FLAGfb22e8884 [2020-11-28 03:11:46,554 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:11:46,555 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2020-11-28 03:11:46,592 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/data/9535bc13a/9fbd243125364795802d68b5049158d0/FLAGfb22e8884 [2020-11-28 03:11:46,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/data/9535bc13a/9fbd243125364795802d68b5049158d0 [2020-11-28 03:11:46,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:11:46,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:11:46,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:46,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:11:46,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:11:46,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:46" (1/1) ... [2020-11-28 03:11:46,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367039b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:46, skipping insertion in model container [2020-11-28 03:11:46,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:46" (1/1) ... [2020-11-28 03:11:46,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:11:46,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:11:47,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:11:47,339 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:11:47,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:11:47,482 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:11:47,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47 WrapperNode [2020-11-28 03:11:47,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:47,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:11:47,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:11:47,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:11:47,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47" (1/1) ... [2020-11-28 03:11:47,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47" (1/1) ... [2020-11-28 03:11:47,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:11:47,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:11:47,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:11:47,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:11:47,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47" (1/1) ... [2020-11-28 03:11:47,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47" (1/1) ... [2020-11-28 03:11:47,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47" (1/1) ... [2020-11-28 03:11:47,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47" (1/1) ... [2020-11-28 03:11:47,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47" (1/1) ... [2020-11-28 03:11:47,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47" (1/1) ... [2020-11-28 03:11:47,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47" (1/1) ... [2020-11-28 03:11:47,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:11:47,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:11:47,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:11:47,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:11:47,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:11:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:11:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:11:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:11:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:11:48,974 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:11:48,976 INFO L298 CfgBuilder]: Removed 178 assume(true) statements. [2020-11-28 03:11:48,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:48 BoogieIcfgContainer [2020-11-28 03:11:48,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:11:49,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:11:49,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:11:49,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:11:49,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:11:46" (1/3) ... [2020-11-28 03:11:49,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634aceda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:49, skipping insertion in model container [2020-11-28 03:11:49,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:47" (2/3) ... [2020-11-28 03:11:49,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634aceda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:49, skipping insertion in model container [2020-11-28 03:11:49,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:48" (3/3) ... [2020-11-28 03:11:49,012 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-11-28 03:11:49,025 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:11:49,030 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:11:49,044 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:11:49,076 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:11:49,077 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:11:49,077 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:11:49,077 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:11:49,077 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:11:49,078 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:11:49,078 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:11:49,078 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:11:49,099 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-11-28 03:11:49,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:11:49,106 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:49,107 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:49,108 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:49,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:49,114 INFO L82 PathProgramCache]: Analyzing trace with hash 869328451, now seen corresponding path program 1 times [2020-11-28 03:11:49,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:49,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396410785] [2020-11-28 03:11:49,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:49,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396410785] [2020-11-28 03:11:49,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:49,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:11:49,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745387286] [2020-11-28 03:11:49,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:11:49,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:49,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:11:49,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:11:49,440 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-11-28 03:11:49,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:49,505 INFO L93 Difference]: Finished difference Result 248 states and 373 transitions. [2020-11-28 03:11:49,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:11:49,507 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-11-28 03:11:49,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:49,519 INFO L225 Difference]: With dead ends: 248 [2020-11-28 03:11:49,520 INFO L226 Difference]: Without dead ends: 122 [2020-11-28 03:11:49,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:11:49,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-11-28 03:11:49,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-11-28 03:11:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-28 03:11:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2020-11-28 03:11:49,580 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2020-11-28 03:11:49,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:49,581 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2020-11-28 03:11:49,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:11:49,581 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2020-11-28 03:11:49,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 03:11:49,583 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:49,583 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] [2020-11-28 03:11:49,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:11:49,584 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:49,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:49,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1619619292, now seen corresponding path program 1 times [2020-11-28 03:11:49,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:49,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047815805] [2020-11-28 03:11:49,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:49,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:49,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047815805] [2020-11-28 03:11:49,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:49,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:49,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516377751] [2020-11-28 03:11:49,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:49,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:49,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:49,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:49,779 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2020-11-28 03:11:49,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:49,792 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2020-11-28 03:11:49,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:49,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-28 03:11:49,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:49,794 INFO L225 Difference]: With dead ends: 122 [2020-11-28 03:11:49,795 INFO L226 Difference]: Without dead ends: 51 [2020-11-28 03:11:49,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:49,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-28 03:11:49,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-11-28 03:11:49,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-28 03:11:49,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-11-28 03:11:49,807 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2020-11-28 03:11:49,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:49,807 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-11-28 03:11:49,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:49,808 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-11-28 03:11:49,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:11:49,809 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:49,809 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, 1] [2020-11-28 03:11:49,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:11:49,810 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:49,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:49,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2020-11-28 03:11:49,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:49,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478136106] [2020-11-28 03:11:49,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:49,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478136106] [2020-11-28 03:11:49,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:49,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:11:49,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891440408] [2020-11-28 03:11:49,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:11:49,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:49,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:11:49,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:11:49,978 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 5 states. [2020-11-28 03:11:50,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:50,048 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2020-11-28 03:11:50,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:11:50,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 03:11:50,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:50,050 INFO L225 Difference]: With dead ends: 95 [2020-11-28 03:11:50,050 INFO L226 Difference]: Without dead ends: 51 [2020-11-28 03:11:50,051 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 [2020-11-28 03:11:50,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-28 03:11:50,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-11-28 03:11:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-28 03:11:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-11-28 03:11:50,058 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2020-11-28 03:11:50,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:50,058 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-11-28 03:11:50,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:11:50,059 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-11-28 03:11:50,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 03:11:50,060 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:50,060 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, 1, 1, 1] [2020-11-28 03:11:50,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:11:50,060 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:50,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:50,085 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2020-11-28 03:11:50,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:50,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224563149] [2020-11-28 03:11:50,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:50,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:50,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224563149] [2020-11-28 03:11:50,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:50,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:11:50,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827729876] [2020-11-28 03:11:50,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:50,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:50,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:50,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:50,162 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-11-28 03:11:50,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:50,229 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2020-11-28 03:11:50,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:50,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-11-28 03:11:50,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:50,231 INFO L225 Difference]: With dead ends: 119 [2020-11-28 03:11:50,231 INFO L226 Difference]: Without dead ends: 75 [2020-11-28 03:11:50,232 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 [2020-11-28 03:11:50,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-28 03:11:50,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-11-28 03:11:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 03:11:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-28 03:11:50,244 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2020-11-28 03:11:50,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:50,245 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-28 03:11:50,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:50,246 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-28 03:11:50,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:11:50,249 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:50,249 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:50,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:11:50,250 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:50,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:50,251 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2020-11-28 03:11:50,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:50,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474991148] [2020-11-28 03:11:50,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:50,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:50,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474991148] [2020-11-28 03:11:50,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:50,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:11:50,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687856372] [2020-11-28 03:11:50,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:11:50,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:50,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:11:50,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:11:50,361 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 6 states. [2020-11-28 03:11:50,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:50,454 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2020-11-28 03:11:50,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:11:50,455 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-11-28 03:11:50,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:50,457 INFO L225 Difference]: With dead ends: 263 [2020-11-28 03:11:50,457 INFO L226 Difference]: Without dead ends: 197 [2020-11-28 03:11:50,458 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 [2020-11-28 03:11:50,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-11-28 03:11:50,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2020-11-28 03:11:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-28 03:11:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2020-11-28 03:11:50,481 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2020-11-28 03:11:50,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:50,481 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2020-11-28 03:11:50,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:11:50,482 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2020-11-28 03:11:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:11:50,485 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:50,485 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:50,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:11:50,485 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:50,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:50,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2020-11-28 03:11:50,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:50,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886316644] [2020-11-28 03:11:50,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:50,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886316644] [2020-11-28 03:11:50,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:50,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:11:50,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300490635] [2020-11-28 03:11:50,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:11:50,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:50,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:11:50,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:11:50,576 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2020-11-28 03:11:50,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:50,698 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2020-11-28 03:11:50,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:11:50,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-28 03:11:50,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:50,700 INFO L225 Difference]: With dead ends: 202 [2020-11-28 03:11:50,700 INFO L226 Difference]: Without dead ends: 132 [2020-11-28 03:11:50,701 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 [2020-11-28 03:11:50,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-11-28 03:11:50,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2020-11-28 03:11:50,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-11-28 03:11:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2020-11-28 03:11:50,721 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2020-11-28 03:11:50,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:50,726 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2020-11-28 03:11:50,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:11:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2020-11-28 03:11:50,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:11:50,727 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:50,728 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:50,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:11:50,729 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:50,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:50,730 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2020-11-28 03:11:50,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:50,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184645990] [2020-11-28 03:11:50,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:50,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184645990] [2020-11-28 03:11:50,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:50,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:11:50,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82160837] [2020-11-28 03:11:50,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:11:50,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:50,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:11:50,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:11:50,836 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2020-11-28 03:11:50,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:50,978 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2020-11-28 03:11:50,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:11:50,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-28 03:11:50,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:50,980 INFO L225 Difference]: With dead ends: 282 [2020-11-28 03:11:50,980 INFO L226 Difference]: Without dead ends: 206 [2020-11-28 03:11:50,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:11:50,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-11-28 03:11:51,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2020-11-28 03:11:51,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-11-28 03:11:51,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2020-11-28 03:11:51,002 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2020-11-28 03:11:51,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:51,003 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2020-11-28 03:11:51,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:11:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2020-11-28 03:11:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:11:51,009 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:51,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:51,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:11:51,010 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:51,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:51,011 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2020-11-28 03:11:51,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:51,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554334739] [2020-11-28 03:11:51,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:51,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554334739] [2020-11-28 03:11:51,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:51,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:11:51,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427766750] [2020-11-28 03:11:51,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:51,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:51,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:51,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:51,120 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2020-11-28 03:11:51,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:51,163 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2020-11-28 03:11:51,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:51,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-28 03:11:51,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:51,165 INFO L225 Difference]: With dead ends: 185 [2020-11-28 03:11:51,165 INFO L226 Difference]: Without dead ends: 110 [2020-11-28 03:11:51,165 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 [2020-11-28 03:11:51,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-28 03:11:51,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-11-28 03:11:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-28 03:11:51,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2020-11-28 03:11:51,204 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2020-11-28 03:11:51,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:51,204 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2020-11-28 03:11:51,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2020-11-28 03:11:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 03:11:51,205 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:51,206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:51,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:11:51,206 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:51,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:51,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2020-11-28 03:11:51,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:51,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969677580] [2020-11-28 03:11:51,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:51,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:51,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969677580] [2020-11-28 03:11:51,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:51,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:11:51,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661665327] [2020-11-28 03:11:51,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:11:51,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:51,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:11:51,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:11:51,391 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 7 states. [2020-11-28 03:11:52,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:52,016 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2020-11-28 03:11:52,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:11:52,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-11-28 03:11:52,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:52,020 INFO L225 Difference]: With dead ends: 524 [2020-11-28 03:11:52,021 INFO L226 Difference]: Without dead ends: 449 [2020-11-28 03:11:52,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-11-28 03:11:52,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-11-28 03:11:52,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2020-11-28 03:11:52,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-11-28 03:11:52,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2020-11-28 03:11:52,062 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2020-11-28 03:11:52,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:52,063 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2020-11-28 03:11:52,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:11:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2020-11-28 03:11:52,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:11:52,064 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:52,065 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:52,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:11:52,065 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:52,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:52,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1013340132, now seen corresponding path program 1 times [2020-11-28 03:11:52,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:52,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493810460] [2020-11-28 03:11:52,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:52,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493810460] [2020-11-28 03:11:52,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958661870] [2020-11-28 03:11:52,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/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 [2020-11-28 03:11:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:52,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:11:52,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:52,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:11:52,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-11-28 03:11:52,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997275569] [2020-11-28 03:11:52,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 03:11:52,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:52,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 03:11:52,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:11:52,693 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand 8 states. [2020-11-28 03:11:53,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:53,135 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2020-11-28 03:11:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:11:53,136 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-11-28 03:11:53,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:53,137 INFO L225 Difference]: With dead ends: 434 [2020-11-28 03:11:53,137 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:11:53,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:11:53,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:11:53,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:11:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:11:53,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:11:53,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-28 03:11:53,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:53,139 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:11:53,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 03:11:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:11:53,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:11:53,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 03:11:53,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:11:53,570 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2020-11-28 03:11:54,346 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2020-11-28 03:11:54,742 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 28 [2020-11-28 03:11:55,017 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 30 [2020-11-28 03:11:55,340 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2020-11-28 03:11:55,524 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-11-28 03:11:55,777 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2020-11-28 03:11:56,137 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2020-11-28 03:11:56,552 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2020-11-28 03:11:56,711 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2020-11-28 03:11:57,094 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2020-11-28 03:11:57,267 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2020-11-28 03:11:57,495 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2020-11-28 03:11:57,498 INFO L270 CegarLoopResult]: At program point L894(lines 889 897) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:11:57,498 INFO L270 CegarLoopResult]: At program point L828(lines 74 80) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4))) [2020-11-28 03:11:57,499 INFO L270 CegarLoopResult]: At program point L828-1(lines 74 80) the Hoare annotation is: false [2020-11-28 03:11:57,499 INFO L270 CegarLoopResult]: At program point L828-2(lines 74 80) the Hoare annotation is: false [2020-11-28 03:11:57,499 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:11:57,499 INFO L270 CegarLoopResult]: At program point L333(lines 284 334) the Hoare annotation is: false [2020-11-28 03:11:57,499 INFO L274 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,499 INFO L274 CegarLoopResult]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,499 INFO L274 CegarLoopResult]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,499 INFO L274 CegarLoopResult]: For program point L234-5(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,500 INFO L274 CegarLoopResult]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,500 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:11:57,500 INFO L274 CegarLoopResult]: For program point L234-8(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,500 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:11:57,500 INFO L274 CegarLoopResult]: For program point L234-9(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,500 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:11:57,500 INFO L274 CegarLoopResult]: For program point L234-11(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,500 INFO L274 CegarLoopResult]: For program point L234-12(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,500 INFO L274 CegarLoopResult]: For program point L234-14(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,501 INFO L274 CegarLoopResult]: For program point L234-15(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,501 INFO L274 CegarLoopResult]: For program point L234-17(lines 234 238) no Hoare annotation was computed. [2020-11-28 03:11:57,501 INFO L274 CegarLoopResult]: For program point L136(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:11:57,501 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:11:57,501 INFO L274 CegarLoopResult]: For program point L136-2(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:11:57,501 INFO L274 CegarLoopResult]: For program point L106(lines 106 123) no Hoare annotation was computed. [2020-11-28 03:11:57,501 INFO L274 CegarLoopResult]: For program point L106-1(lines 106 123) no Hoare annotation was computed. [2020-11-28 03:11:57,501 INFO L274 CegarLoopResult]: For program point L106-2(lines 106 123) no Hoare annotation was computed. [2020-11-28 03:11:57,501 INFO L274 CegarLoopResult]: For program point L106-3(lines 106 123) no Hoare annotation was computed. [2020-11-28 03:11:57,501 INFO L274 CegarLoopResult]: For program point L106-4(lines 106 123) no Hoare annotation was computed. [2020-11-28 03:11:57,502 INFO L274 CegarLoopResult]: For program point L106-5(lines 106 123) no Hoare annotation was computed. [2020-11-28 03:11:57,502 INFO L274 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-11-28 03:11:57,502 INFO L270 CegarLoopResult]: At program point L305-1(lines 305 311) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-11-28 03:11:57,502 INFO L270 CegarLoopResult]: At program point L74(lines 70 92) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-11-28 03:11:57,502 INFO L270 CegarLoopResult]: At program point L74-1(lines 70 92) the Hoare annotation is: false [2020-11-28 03:11:57,502 INFO L270 CegarLoopResult]: At program point L74-2(lines 70 92) the Hoare annotation is: false [2020-11-28 03:11:57,503 INFO L270 CegarLoopResult]: At program point L240(lines 225 243) the Hoare annotation is: false [2020-11-28 03:11:57,503 INFO L270 CegarLoopResult]: At program point L240-1(lines 225 243) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-11-28 03:11:57,503 INFO L270 CegarLoopResult]: At program point L240-2(lines 225 243) the Hoare annotation is: false [2020-11-28 03:11:57,503 INFO L270 CegarLoopResult]: At program point L240-3(lines 225 243) the Hoare annotation is: false [2020-11-28 03:11:57,503 INFO L270 CegarLoopResult]: At program point L240-4(lines 225 243) the Hoare annotation is: false [2020-11-28 03:11:57,503 INFO L270 CegarLoopResult]: At program point L240-5(lines 225 243) the Hoare annotation is: false [2020-11-28 03:11:57,503 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:11:57,504 INFO L274 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-11-28 03:11:57,504 INFO L274 CegarLoopResult]: For program point L110(lines 110 118) no Hoare annotation was computed. [2020-11-28 03:11:57,504 INFO L274 CegarLoopResult]: For program point L110-1(lines 110 118) no Hoare annotation was computed. [2020-11-28 03:11:57,504 INFO L274 CegarLoopResult]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2020-11-28 03:11:57,504 INFO L274 CegarLoopResult]: For program point L110-3(lines 110 118) no Hoare annotation was computed. [2020-11-28 03:11:57,504 INFO L274 CegarLoopResult]: For program point L110-4(lines 110 118) no Hoare annotation was computed. [2020-11-28 03:11:57,504 INFO L274 CegarLoopResult]: For program point L110-5(lines 110 118) no Hoare annotation was computed. [2020-11-28 03:11:57,504 INFO L270 CegarLoopResult]: At program point L441(lines 436 444) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:11:57,506 INFO L270 CegarLoopResult]: At program point L441-1(lines 436 444) the Hoare annotation is: false [2020-11-28 03:11:57,506 INFO L270 CegarLoopResult]: At program point L441-2(lines 436 444) the Hoare annotation is: false [2020-11-28 03:11:57,506 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 03:11:57,506 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 03:11:57,506 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 03:11:57,506 INFO L274 CegarLoopResult]: For program point L839(lines 839 856) no Hoare annotation was computed. [2020-11-28 03:11:57,507 INFO L270 CegarLoopResult]: At program point L839-1(lines 1 994) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-11-28 03:11:57,507 INFO L274 CegarLoopResult]: For program point L839-2(lines 839 856) no Hoare annotation was computed. [2020-11-28 03:11:57,507 INFO L270 CegarLoopResult]: At program point L839-3(lines 1 994) the Hoare annotation is: false [2020-11-28 03:11:57,507 INFO L274 CegarLoopResult]: For program point L839-4(lines 839 856) no Hoare annotation was computed. [2020-11-28 03:11:57,507 INFO L270 CegarLoopResult]: At program point L839-5(lines 1 994) the Hoare annotation is: false [2020-11-28 03:11:57,508 INFO L270 CegarLoopResult]: At program point L81(lines 81 87) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-11-28 03:11:57,508 INFO L270 CegarLoopResult]: At program point L81-1(lines 81 87) the Hoare annotation is: false [2020-11-28 03:11:57,508 INFO L270 CegarLoopResult]: At program point L81-2(lines 81 87) the Hoare annotation is: false [2020-11-28 03:11:57,508 INFO L274 CegarLoopResult]: For program point L843(lines 843 853) no Hoare annotation was computed. [2020-11-28 03:11:57,508 INFO L274 CegarLoopResult]: For program point L843-2(lines 843 853) no Hoare annotation was computed. [2020-11-28 03:11:57,508 INFO L274 CegarLoopResult]: For program point L843-4(lines 843 853) no Hoare annotation was computed. [2020-11-28 03:11:57,509 INFO L274 CegarLoopResult]: For program point L315(lines 315 328) no Hoare annotation was computed. [2020-11-28 03:11:57,509 INFO L274 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-11-28 03:11:57,509 INFO L270 CegarLoopResult]: At program point L910-2(lines 910 924) the Hoare annotation is: false [2020-11-28 03:11:57,509 INFO L274 CegarLoopResult]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2020-11-28 03:11:57,509 INFO L274 CegarLoopResult]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2020-11-28 03:11:57,509 INFO L274 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-11-28 03:11:57,509 INFO L274 CegarLoopResult]: For program point L349-3(lines 349 353) no Hoare annotation was computed. [2020-11-28 03:11:57,509 INFO L274 CegarLoopResult]: For program point L349-6(lines 349 353) no Hoare annotation was computed. [2020-11-28 03:11:57,509 INFO L274 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-11-28 03:11:57,510 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:11:57,510 INFO L270 CegarLoopResult]: At program point L185(lines 180 188) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse5 .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse6 .cse3 .cse4))) [2020-11-28 03:11:57,510 INFO L270 CegarLoopResult]: At program point L185-1(lines 180 188) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-11-28 03:11:57,510 INFO L270 CegarLoopResult]: At program point L185-2(lines 180 188) the Hoare annotation is: false [2020-11-28 03:11:57,510 INFO L270 CegarLoopResult]: At program point L185-3(lines 180 188) the Hoare annotation is: false [2020-11-28 03:11:57,510 INFO L270 CegarLoopResult]: At program point L185-4(lines 180 188) the Hoare annotation is: false [2020-11-28 03:11:57,510 INFO L270 CegarLoopResult]: At program point L185-5(lines 180 188) the Hoare annotation is: false [2020-11-28 03:11:57,511 INFO L270 CegarLoopResult]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-11-28 03:11:57,511 INFO L270 CegarLoopResult]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2020-11-28 03:11:57,511 INFO L270 CegarLoopResult]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2020-11-28 03:11:57,511 INFO L274 CegarLoopResult]: For program point L286(lines 285 332) no Hoare annotation was computed. [2020-11-28 03:11:57,511 INFO L274 CegarLoopResult]: For program point L253(lines 253 257) no Hoare annotation was computed. [2020-11-28 03:11:57,511 INFO L274 CegarLoopResult]: For program point L253-2(lines 253 257) no Hoare annotation was computed. [2020-11-28 03:11:57,511 INFO L274 CegarLoopResult]: For program point L253-3(lines 253 257) no Hoare annotation was computed. [2020-11-28 03:11:57,511 INFO L274 CegarLoopResult]: For program point L253-5(lines 253 257) no Hoare annotation was computed. [2020-11-28 03:11:57,512 INFO L274 CegarLoopResult]: For program point L253-6(lines 253 257) no Hoare annotation was computed. [2020-11-28 03:11:57,512 INFO L274 CegarLoopResult]: For program point L253-8(lines 253 257) no Hoare annotation was computed. [2020-11-28 03:11:57,512 INFO L274 CegarLoopResult]: For program point L914(lines 914 918) no Hoare annotation was computed. [2020-11-28 03:11:57,512 INFO L274 CegarLoopResult]: For program point L914-1(lines 914 918) no Hoare annotation was computed. [2020-11-28 03:11:57,512 INFO L274 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-11-28 03:11:57,512 INFO L274 CegarLoopResult]: For program point L982(lines 982 989) no Hoare annotation was computed. [2020-11-28 03:11:57,513 INFO L277 CegarLoopResult]: At program point L982-1(lines 982 989) the Hoare annotation is: true [2020-11-28 03:11:57,513 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:11:57,513 INFO L270 CegarLoopResult]: At program point L818(lines 813 820) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:11:57,513 INFO L274 CegarLoopResult]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-11-28 03:11:57,513 INFO L270 CegarLoopResult]: At program point L323-2(lines 323 327) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-11-28 03:11:57,514 INFO L270 CegarLoopResult]: At program point L886(lines 1 994) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-11-28 03:11:57,514 INFO L270 CegarLoopResult]: At program point L259(lines 244 262) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:11:57,514 INFO L270 CegarLoopResult]: At program point L259-1(lines 244 262) the Hoare annotation is: false [2020-11-28 03:11:57,514 INFO L270 CegarLoopResult]: At program point L259-2(lines 244 262) the Hoare annotation is: false [2020-11-28 03:11:57,514 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:11:57,515 INFO L274 CegarLoopResult]: For program point L426(lines 426 432) no Hoare annotation was computed. [2020-11-28 03:11:57,515 INFO L274 CegarLoopResult]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2020-11-28 03:11:57,515 INFO L274 CegarLoopResult]: For program point L426-2(lines 426 432) no Hoare annotation was computed. [2020-11-28 03:11:57,515 INFO L274 CegarLoopResult]: For program point L426-3(lines 426 432) no Hoare annotation was computed. [2020-11-28 03:11:57,515 INFO L274 CegarLoopResult]: For program point L426-4(lines 426 432) no Hoare annotation was computed. [2020-11-28 03:11:57,515 INFO L274 CegarLoopResult]: For program point L426-5(lines 426 432) no Hoare annotation was computed. [2020-11-28 03:11:57,516 INFO L274 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-11-28 03:11:57,516 INFO L274 CegarLoopResult]: For program point L295(lines 295 301) no Hoare annotation was computed. [2020-11-28 03:11:57,516 INFO L270 CegarLoopResult]: At program point L295-1(lines 295 301) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-11-28 03:11:57,516 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:11:57,516 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:11:57,517 INFO L274 CegarLoopResult]: For program point L132(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:11:57,517 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:11:57,517 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:11:57,517 INFO L277 CegarLoopResult]: At program point L991(lines 972 994) the Hoare annotation is: true [2020-11-28 03:11:57,517 INFO L270 CegarLoopResult]: At program point L958(lines 954 960) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:11:57,517 INFO L270 CegarLoopResult]: At program point L431(lines 422 435) the Hoare annotation is: false [2020-11-28 03:11:57,518 INFO L270 CegarLoopResult]: At program point L431-1(lines 422 435) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-11-28 03:11:57,518 INFO L270 CegarLoopResult]: At program point L431-2(lines 422 435) the Hoare annotation is: false [2020-11-28 03:11:57,518 INFO L270 CegarLoopResult]: At program point L431-3(lines 422 435) the Hoare annotation is: false [2020-11-28 03:11:57,518 INFO L270 CegarLoopResult]: At program point L431-4(lines 422 435) the Hoare annotation is: false [2020-11-28 03:11:57,518 INFO L270 CegarLoopResult]: At program point L431-5(lines 422 435) the Hoare annotation is: false [2020-11-28 03:11:57,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:11:57 BoogieIcfgContainer [2020-11-28 03:11:57,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:11:57,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:11:57,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:11:57,583 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:11:57,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:48" (3/4) ... [2020-11-28 03:11:57,587 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:11:57,634 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:11:57,635 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:11:57,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:11:57,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:11:57,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:11:57,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:11:57,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:11:57,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 03:11:57,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 03:11:57,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 03:11:57,677 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 1 && pumpRunning == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,678 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,681 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,682 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,683 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,683 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && pumpRunning == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1 [2020-11-28 03:11:57,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,696 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,697 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1 [2020-11-28 03:11:57,698 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-11-28 03:11:57,788 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_40255ec5-5592-4f8f-893b-5616d5f65eb5/bin/uautomizer/witness.graphml [2020-11-28 03:11:57,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:11:57,790 INFO L168 Benchmark]: Toolchain (without parser) took 10956.03 ms. Allocated memory was 96.5 MB in the beginning and 203.4 MB in the end (delta: 107.0 MB). Free memory was 67.4 MB in the beginning and 75.8 MB in the end (delta: -8.4 MB). Peak memory consumption was 98.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:57,790 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory is still 55.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:57,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.43 ms. Allocated memory is still 96.5 MB. Free memory was 67.4 MB in the beginning and 63.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:57,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.56 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 59.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:57,791 INFO L168 Benchmark]: Boogie Preprocessor took 77.96 ms. Allocated memory is still 96.5 MB. Free memory was 59.6 MB in the beginning and 57.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:57,792 INFO L168 Benchmark]: RCFGBuilder took 1322.24 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 57.0 MB in the beginning and 59.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:57,792 INFO L168 Benchmark]: TraceAbstraction took 8579.41 ms. Allocated memory was 127.9 MB in the beginning and 203.4 MB in the end (delta: 75.5 MB). Free memory was 104.1 MB in the beginning and 86.3 MB in the end (delta: 17.8 MB). Peak memory consumption was 116.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:57,793 INFO L168 Benchmark]: Witness Printer took 205.40 ms. Allocated memory is still 203.4 MB. Free memory was 86.3 MB in the beginning and 75.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:57,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory is still 55.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 645.43 ms. Allocated memory is still 96.5 MB. Free memory was 67.4 MB in the beginning and 63.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.56 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 59.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.96 ms. Allocated memory is still 96.5 MB. Free memory was 59.6 MB in the beginning and 57.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1322.24 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 57.0 MB in the beginning and 59.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8579.41 ms. Allocated memory was 127.9 MB in the beginning and 203.4 MB in the end (delta: 75.5 MB). Free memory was 104.1 MB in the beginning and 86.3 MB in the end (delta: 17.8 MB). Peak memory consumption was 116.2 MB. Max. memory is 16.1 GB. * Witness Printer took 205.40 ms. Allocated memory is still 203.4 MB. Free memory was 86.3 MB in the beginning and 75.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && pumpRunning == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((tmp == 1 && pumpRunning == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && tmp == 1) && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && pumpRunning == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1044 SDtfs, 1656 SDslu, 1464 SDs, 0 SdLazy, 257 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 554 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 902 HoareAnnotationTreeSize, 50 FomulaSimplifications, 78102 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 50 FomulaSimplificationsInter, 17559 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 29305 SizeOfPredicates, 4 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...