./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.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_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/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 43d840a4952877093d97c8e90564eb1be31dea0c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:56:50,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:50,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:50,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:50,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:50,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:50,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:50,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:50,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:50,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:50,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:50,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:50,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:50,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:50,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:50,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:50,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:50,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:50,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:50,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:50,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:50,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:50,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:50,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:50,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:50,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:50,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:50,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:50,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:50,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:50,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:50,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:50,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:50,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:50,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:50,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:50,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:50,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:50,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:50,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:50,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:50,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:56:50,287 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:50,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:50,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:50,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:50,289 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:50,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:50,290 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:50,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:50,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:50,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:50,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:50,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:50,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:50,291 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:50,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:50,292 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:50,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:50,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:50,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:50,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:50,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:50,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:50,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:50,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:50,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:50,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:50,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:50,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:50,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:50,295 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_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43d840a4952877093d97c8e90564eb1be31dea0c [2020-11-28 02:56:50,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:50,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:50,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:50,659 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:50,661 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:50,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-11-28 02:56:50,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/data/3927d7ee0/0f0103c9783e4395b2fc57b7f30c6f5a/FLAG5afefd15b [2020-11-28 02:56:51,417 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:51,418 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-11-28 02:56:51,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/data/3927d7ee0/0f0103c9783e4395b2fc57b7f30c6f5a/FLAG5afefd15b [2020-11-28 02:56:51,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/data/3927d7ee0/0f0103c9783e4395b2fc57b7f30c6f5a [2020-11-28 02:56:51,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:51,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:51,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:51,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:51,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:51,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:51" (1/1) ... [2020-11-28 02:56:51,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73543ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:51, skipping insertion in model container [2020-11-28 02:56:51,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:51" (1/1) ... [2020-11-28 02:56:51,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:51,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:52,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:52,159 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:52,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:52,311 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:52,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52 WrapperNode [2020-11-28 02:56:52,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:52,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:52,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:52,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:52,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:52,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:52,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:52,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:52,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... [2020-11-28 02:56:52,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:52,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:52,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:52,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:52,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/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 02:56:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:54,278 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:54,279 INFO L298 CfgBuilder]: Removed 286 assume(true) statements. [2020-11-28 02:56:54,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:54 BoogieIcfgContainer [2020-11-28 02:56:54,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:54,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:54,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:54,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:54,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:51" (1/3) ... [2020-11-28 02:56:54,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6753a976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:54, skipping insertion in model container [2020-11-28 02:56:54,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:52" (2/3) ... [2020-11-28 02:56:54,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6753a976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:54, skipping insertion in model container [2020-11-28 02:56:54,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:54" (3/3) ... [2020-11-28 02:56:54,301 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2020-11-28 02:56:54,322 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:54,328 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:56:54,344 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:56:54,395 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:54,396 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:54,396 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:54,396 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:54,396 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:54,397 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:54,398 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:54,398 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states. [2020-11-28 02:56:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 02:56:54,443 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:54,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:54,444 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:54,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:54,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1505234651, now seen corresponding path program 1 times [2020-11-28 02:56:54,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:54,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247424589] [2020-11-28 02:56:54,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:54,860 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 02:56:54,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247424589] [2020-11-28 02:56:54,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:54,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:54,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184108048] [2020-11-28 02:56:54,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:56:54,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:54,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:56:54,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:56:54,893 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 2 states. [2020-11-28 02:56:54,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:54,967 INFO L93 Difference]: Finished difference Result 379 states and 578 transitions. [2020-11-28 02:56:54,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:56:54,969 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 02:56:54,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:54,985 INFO L225 Difference]: With dead ends: 379 [2020-11-28 02:56:54,985 INFO L226 Difference]: Without dead ends: 187 [2020-11-28 02:56:54,990 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 02:56:55,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-11-28 02:56:55,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-11-28 02:56:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-11-28 02:56:55,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2020-11-28 02:56:55,051 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2020-11-28 02:56:55,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:55,052 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2020-11-28 02:56:55,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:56:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-11-28 02:56:55,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 02:56:55,054 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:55,054 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:55,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:55,055 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:55,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:55,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1742975748, now seen corresponding path program 1 times [2020-11-28 02:56:55,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:55,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641327977] [2020-11-28 02:56:55,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:55,170 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 02:56:55,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641327977] [2020-11-28 02:56:55,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:55,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:55,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130610624] [2020-11-28 02:56:55,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:55,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:55,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:55,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:55,178 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2020-11-28 02:56:55,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:55,204 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-11-28 02:56:55,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:55,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 02:56:55,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:55,209 INFO L225 Difference]: With dead ends: 187 [2020-11-28 02:56:55,209 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 02:56:55,213 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 02:56:55,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 02:56:55,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-28 02:56:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 02:56:55,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-11-28 02:56:55,224 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2020-11-28 02:56:55,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:55,225 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-11-28 02:56:55,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-11-28 02:56:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 02:56:55,226 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:55,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:55,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:56:55,227 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:55,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:55,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1082167242, now seen corresponding path program 1 times [2020-11-28 02:56:55,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:55,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836242178] [2020-11-28 02:56:55,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:55,440 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 02:56:55,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836242178] [2020-11-28 02:56:55,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:55,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:56:55,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536641355] [2020-11-28 02:56:55,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:56:55,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:55,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:56:55,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:56:55,443 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 6 states. [2020-11-28 02:56:55,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:55,690 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2020-11-28 02:56:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:56:55,693 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-11-28 02:56:55,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:55,695 INFO L225 Difference]: With dead ends: 230 [2020-11-28 02:56:55,695 INFO L226 Difference]: Without dead ends: 163 [2020-11-28 02:56:55,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:56:55,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-11-28 02:56:55,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 92. [2020-11-28 02:56:55,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-28 02:56:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2020-11-28 02:56:55,712 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 22 [2020-11-28 02:56:55,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:55,712 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2020-11-28 02:56:55,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:56:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2020-11-28 02:56:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:56:55,714 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:55,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:55,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:56:55,715 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:55,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:55,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1933185311, now seen corresponding path program 1 times [2020-11-28 02:56:55,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:55,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634082941] [2020-11-28 02:56:55,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:55,812 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 02:56:55,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634082941] [2020-11-28 02:56:55,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:55,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:55,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032140260] [2020-11-28 02:56:55,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:55,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:55,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:55,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:55,814 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand 3 states. [2020-11-28 02:56:55,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:55,904 INFO L93 Difference]: Finished difference Result 187 states and 280 transitions. [2020-11-28 02:56:55,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:55,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-28 02:56:55,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:55,906 INFO L225 Difference]: With dead ends: 187 [2020-11-28 02:56:55,906 INFO L226 Difference]: Without dead ends: 101 [2020-11-28 02:56:55,908 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 02:56:55,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-28 02:56:55,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2020-11-28 02:56:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-11-28 02:56:55,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2020-11-28 02:56:55,934 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 25 [2020-11-28 02:56:55,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:55,935 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2020-11-28 02:56:55,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2020-11-28 02:56:55,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:56:55,940 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:55,940 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:55,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:56:55,940 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:55,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:55,941 INFO L82 PathProgramCache]: Analyzing trace with hash 2034893835, now seen corresponding path program 1 times [2020-11-28 02:56:55,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:55,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602968671] [2020-11-28 02:56:55,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:56,105 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 02:56:56,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602968671] [2020-11-28 02:56:56,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:56,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 02:56:56,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617222896] [2020-11-28 02:56:56,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 02:56:56,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:56,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 02:56:56,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:56:56,108 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand 8 states. [2020-11-28 02:56:56,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:56,689 INFO L93 Difference]: Finished difference Result 637 states and 929 transitions. [2020-11-28 02:56:56,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 02:56:56,690 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-28 02:56:56,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:56,694 INFO L225 Difference]: With dead ends: 637 [2020-11-28 02:56:56,694 INFO L226 Difference]: Without dead ends: 544 [2020-11-28 02:56:56,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-28 02:56:56,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-11-28 02:56:56,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 241. [2020-11-28 02:56:56,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-11-28 02:56:56,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions. [2020-11-28 02:56:56,760 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 337 transitions. Word has length 25 [2020-11-28 02:56:56,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:56,761 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 337 transitions. [2020-11-28 02:56:56,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 02:56:56,761 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2020-11-28 02:56:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 02:56:56,766 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:56,766 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] [2020-11-28 02:56:56,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:56:56,767 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:56,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:56,767 INFO L82 PathProgramCache]: Analyzing trace with hash -2100121622, now seen corresponding path program 1 times [2020-11-28 02:56:56,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:56,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631085290] [2020-11-28 02:56:56,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:56,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631085290] [2020-11-28 02:56:56,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89894456] [2020-11-28 02:56:56,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/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 02:56:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:57,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 02:56:57,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:57,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:57,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-11-28 02:56:57,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22051087] [2020-11-28 02:56:57,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:57,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:57,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:57,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:57,153 INFO L87 Difference]: Start difference. First operand 241 states and 337 transitions. Second operand 4 states. [2020-11-28 02:56:57,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:57,348 INFO L93 Difference]: Finished difference Result 539 states and 767 transitions. [2020-11-28 02:56:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:57,349 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-11-28 02:56:57,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:57,351 INFO L225 Difference]: With dead ends: 539 [2020-11-28 02:56:57,352 INFO L226 Difference]: Without dead ends: 364 [2020-11-28 02:56:57,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:57,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-11-28 02:56:57,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 351. [2020-11-28 02:56:57,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-11-28 02:56:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 496 transitions. [2020-11-28 02:56:57,401 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 496 transitions. Word has length 40 [2020-11-28 02:56:57,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:57,402 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 496 transitions. [2020-11-28 02:56:57,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 496 transitions. [2020-11-28 02:56:57,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 02:56:57,406 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:57,406 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:57,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-28 02:56:57,630 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:57,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:57,630 INFO L82 PathProgramCache]: Analyzing trace with hash -512827560, now seen corresponding path program 1 times [2020-11-28 02:56:57,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:57,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515915711] [2020-11-28 02:56:57,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 02:56:57,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515915711] [2020-11-28 02:56:57,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:57,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:56:57,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61638669] [2020-11-28 02:56:57,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:57,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:57,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:57,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:57,721 INFO L87 Difference]: Start difference. First operand 351 states and 496 transitions. Second operand 5 states. [2020-11-28 02:56:57,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:57,855 INFO L93 Difference]: Finished difference Result 1077 states and 1510 transitions. [2020-11-28 02:56:57,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:56:57,856 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-11-28 02:56:57,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:57,862 INFO L225 Difference]: With dead ends: 1077 [2020-11-28 02:56:57,863 INFO L226 Difference]: Without dead ends: 732 [2020-11-28 02:56:57,865 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 02:56:57,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-11-28 02:56:57,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 381. [2020-11-28 02:56:57,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-11-28 02:56:57,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 526 transitions. [2020-11-28 02:56:57,903 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 526 transitions. Word has length 49 [2020-11-28 02:56:57,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:57,904 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 526 transitions. [2020-11-28 02:56:57,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 526 transitions. [2020-11-28 02:56:57,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 02:56:57,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:57,905 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:57,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:56:57,907 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:57,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:57,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1022300650, now seen corresponding path program 1 times [2020-11-28 02:56:57,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:57,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726987759] [2020-11-28 02:56:57,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 02:56:58,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726987759] [2020-11-28 02:56:58,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:58,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:56:58,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499370805] [2020-11-28 02:56:58,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:58,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:58,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:58,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:58,009 INFO L87 Difference]: Start difference. First operand 381 states and 526 transitions. Second operand 4 states. [2020-11-28 02:56:58,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:58,131 INFO L93 Difference]: Finished difference Result 891 states and 1233 transitions. [2020-11-28 02:56:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:58,132 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-11-28 02:56:58,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:58,136 INFO L225 Difference]: With dead ends: 891 [2020-11-28 02:56:58,136 INFO L226 Difference]: Without dead ends: 516 [2020-11-28 02:56:58,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:58,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-11-28 02:56:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 344. [2020-11-28 02:56:58,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-11-28 02:56:58,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 468 transitions. [2020-11-28 02:56:58,176 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 468 transitions. Word has length 49 [2020-11-28 02:56:58,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:58,177 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 468 transitions. [2020-11-28 02:56:58,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 468 transitions. [2020-11-28 02:56:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 02:56:58,178 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:58,178 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:58,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:56:58,179 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:58,179 INFO L82 PathProgramCache]: Analyzing trace with hash 930246806, now seen corresponding path program 1 times [2020-11-28 02:56:58,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:58,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787352110] [2020-11-28 02:56:58,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 02:56:58,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787352110] [2020-11-28 02:56:58,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:58,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:56:58,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744836277] [2020-11-28 02:56:58,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:56:58,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:58,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:56:58,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:56:58,288 INFO L87 Difference]: Start difference. First operand 344 states and 468 transitions. Second operand 6 states. [2020-11-28 02:56:58,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:58,602 INFO L93 Difference]: Finished difference Result 1946 states and 2692 transitions. [2020-11-28 02:56:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 02:56:58,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-11-28 02:56:58,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:58,614 INFO L225 Difference]: With dead ends: 1946 [2020-11-28 02:56:58,614 INFO L226 Difference]: Without dead ends: 1608 [2020-11-28 02:56:58,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-11-28 02:56:58,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-11-28 02:56:58,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 680. [2020-11-28 02:56:58,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-11-28 02:56:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 913 transitions. [2020-11-28 02:56:58,705 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 913 transitions. Word has length 50 [2020-11-28 02:56:58,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:58,705 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 913 transitions. [2020-11-28 02:56:58,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:56:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 913 transitions. [2020-11-28 02:56:58,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 02:56:58,707 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:58,710 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 02:56:58,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:56:58,711 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:58,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:58,712 INFO L82 PathProgramCache]: Analyzing trace with hash 2117456978, now seen corresponding path program 1 times [2020-11-28 02:56:58,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:58,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754889337] [2020-11-28 02:56:58,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 02:56:58,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754889337] [2020-11-28 02:56:58,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:58,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:56:58,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528530214] [2020-11-28 02:56:58,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:58,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:58,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:58,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:58,790 INFO L87 Difference]: Start difference. First operand 680 states and 913 transitions. Second operand 5 states. [2020-11-28 02:56:59,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:59,125 INFO L93 Difference]: Finished difference Result 1836 states and 2464 transitions. [2020-11-28 02:56:59,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:56:59,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-11-28 02:56:59,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:59,139 INFO L225 Difference]: With dead ends: 1836 [2020-11-28 02:56:59,139 INFO L226 Difference]: Without dead ends: 1834 [2020-11-28 02:56:59,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 02:56:59,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2020-11-28 02:56:59,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 680. [2020-11-28 02:56:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-11-28 02:56:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 903 transitions. [2020-11-28 02:56:59,221 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 903 transitions. Word has length 51 [2020-11-28 02:56:59,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:59,221 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 903 transitions. [2020-11-28 02:56:59,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 903 transitions. [2020-11-28 02:56:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 02:56:59,223 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:59,223 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:59,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:56:59,223 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:59,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:59,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1311509310, now seen corresponding path program 1 times [2020-11-28 02:56:59,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:59,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884073410] [2020-11-28 02:56:59,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:59,361 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:59,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884073410] [2020-11-28 02:56:59,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793952059] [2020-11-28 02:56:59,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:59,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 02:56:59,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:59,602 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:59,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 02:56:59,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-11-28 02:56:59,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470028794] [2020-11-28 02:56:59,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 02:56:59,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:59,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 02:56:59,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:56:59,605 INFO L87 Difference]: Start difference. First operand 680 states and 903 transitions. Second operand 8 states. [2020-11-28 02:57:00,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:00,120 INFO L93 Difference]: Finished difference Result 1900 states and 2519 transitions. [2020-11-28 02:57:00,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-28 02:57:00,120 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-11-28 02:57:00,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:00,130 INFO L225 Difference]: With dead ends: 1900 [2020-11-28 02:57:00,131 INFO L226 Difference]: Without dead ends: 1312 [2020-11-28 02:57:00,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-11-28 02:57:00,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-11-28 02:57:00,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 604. [2020-11-28 02:57:00,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-11-28 02:57:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 790 transitions. [2020-11-28 02:57:00,236 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 790 transitions. Word has length 57 [2020-11-28 02:57:00,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:00,238 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 790 transitions. [2020-11-28 02:57:00,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 02:57:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 790 transitions. [2020-11-28 02:57:00,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 02:57:00,244 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:00,245 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 02:57:00,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:57:00,465 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:00,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:00,466 INFO L82 PathProgramCache]: Analyzing trace with hash -468545298, now seen corresponding path program 2 times [2020-11-28 02:57:00,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:00,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596445298] [2020-11-28 02:57:00,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 02:57:00,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596445298] [2020-11-28 02:57:00,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:00,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:57:00,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811979995] [2020-11-28 02:57:00,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:00,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:00,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:00,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:00,657 INFO L87 Difference]: Start difference. First operand 604 states and 790 transitions. Second operand 5 states. [2020-11-28 02:57:01,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:01,093 INFO L93 Difference]: Finished difference Result 1832 states and 2420 transitions. [2020-11-28 02:57:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:57:01,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-28 02:57:01,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:01,100 INFO L225 Difference]: With dead ends: 1832 [2020-11-28 02:57:01,101 INFO L226 Difference]: Without dead ends: 1318 [2020-11-28 02:57:01,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:57:01,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2020-11-28 02:57:01,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 836. [2020-11-28 02:57:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2020-11-28 02:57:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1089 transitions. [2020-11-28 02:57:01,211 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1089 transitions. Word has length 82 [2020-11-28 02:57:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:01,211 INFO L481 AbstractCegarLoop]: Abstraction has 836 states and 1089 transitions. [2020-11-28 02:57:01,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1089 transitions. [2020-11-28 02:57:01,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 02:57:01,213 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:01,214 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 02:57:01,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 02:57:01,214 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:01,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:01,218 INFO L82 PathProgramCache]: Analyzing trace with hash -862912084, now seen corresponding path program 1 times [2020-11-28 02:57:01,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:01,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025028427] [2020-11-28 02:57:01,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 02:57:01,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025028427] [2020-11-28 02:57:01,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:01,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:57:01,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286674304] [2020-11-28 02:57:01,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:01,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:01,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:01,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:01,311 INFO L87 Difference]: Start difference. First operand 836 states and 1089 transitions. Second operand 5 states. [2020-11-28 02:57:01,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:01,477 INFO L93 Difference]: Finished difference Result 1614 states and 2096 transitions. [2020-11-28 02:57:01,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:57:01,478 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-28 02:57:01,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:01,478 INFO L225 Difference]: With dead ends: 1614 [2020-11-28 02:57:01,478 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:57:01,483 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 02:57:01,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:57:01,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:57:01,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:57:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:57:01,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-11-28 02:57:01,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:01,484 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:01,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:57:01,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:57:01,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 02:57:01,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:57:01,694 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 117 [2020-11-28 02:57:02,782 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 343 DAG size of output: 243 [2020-11-28 02:57:03,768 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 250 [2020-11-28 02:57:04,722 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 273 [2020-11-28 02:57:04,974 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 149 [2020-11-28 02:57:05,137 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 124 [2020-11-28 02:57:05,700 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 288 [2020-11-28 02:57:05,868 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 161 [2020-11-28 02:57:06,525 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 264 [2020-11-28 02:57:06,931 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 197 [2020-11-28 02:57:07,124 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 121 [2020-11-28 02:57:07,640 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2020-11-28 02:57:09,178 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 236 DAG size of output: 31 [2020-11-28 02:57:10,814 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 245 DAG size of output: 30 [2020-11-28 02:57:11,021 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 11 [2020-11-28 02:57:11,289 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 22 [2020-11-28 02:57:13,167 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 264 DAG size of output: 29 [2020-11-28 02:57:13,569 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-11-28 02:57:14,000 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 28 [2020-11-28 02:57:15,756 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 284 DAG size of output: 30 [2020-11-28 02:57:16,341 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-11-28 02:57:18,090 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 261 DAG size of output: 31 [2020-11-28 02:57:18,202 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 11 [2020-11-28 02:57:18,387 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2020-11-28 02:57:19,122 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 30 [2020-11-28 02:57:19,490 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 25 [2020-11-28 02:57:19,615 INFO L274 CegarLoopResult]: For program point L167-6(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,615 INFO L274 CegarLoopResult]: For program point L167-7(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,615 INFO L274 CegarLoopResult]: For program point L167-8(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,615 INFO L274 CegarLoopResult]: For program point L167-9(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,615 INFO L274 CegarLoopResult]: For program point L167-10(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,616 INFO L274 CegarLoopResult]: For program point L167-11(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,616 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:19,616 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 02:57:19,616 INFO L274 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-11-28 02:57:19,616 INFO L274 CegarLoopResult]: For program point L432-2(line 432) no Hoare annotation was computed. [2020-11-28 02:57:19,616 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:57:19,616 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:57:19,616 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:57:19,616 INFO L270 CegarLoopResult]: At program point L268(lines 263 271) the Hoare annotation is: false [2020-11-28 02:57:19,616 INFO L270 CegarLoopResult]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2020-11-28 02:57:19,616 INFO L270 CegarLoopResult]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2020-11-28 02:57:19,617 INFO L274 CegarLoopResult]: For program point L929(lines 929 933) no Hoare annotation was computed. [2020-11-28 02:57:19,617 INFO L274 CegarLoopResult]: For program point L336(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,617 INFO L274 CegarLoopResult]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,617 INFO L274 CegarLoopResult]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,617 INFO L274 CegarLoopResult]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,617 INFO L270 CegarLoopResult]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-11-28 02:57:19,617 INFO L274 CegarLoopResult]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,617 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-11-28 02:57:19,617 INFO L270 CegarLoopResult]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2020-11-28 02:57:19,617 INFO L274 CegarLoopResult]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,618 INFO L270 CegarLoopResult]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2020-11-28 02:57:19,618 INFO L274 CegarLoopResult]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,618 INFO L270 CegarLoopResult]: At program point L997(lines 992 1000) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-11-28 02:57:19,618 INFO L274 CegarLoopResult]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,618 INFO L270 CegarLoopResult]: At program point L997-1(lines 992 1000) the Hoare annotation is: false [2020-11-28 02:57:19,618 INFO L274 CegarLoopResult]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,618 INFO L270 CegarLoopResult]: At program point L997-2(lines 992 1000) the Hoare annotation is: false [2020-11-28 02:57:19,618 INFO L270 CegarLoopResult]: At program point L997-3(lines 992 1000) the Hoare annotation is: false [2020-11-28 02:57:19,618 INFO L274 CegarLoopResult]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,618 INFO L270 CegarLoopResult]: At program point L997-4(lines 992 1000) the Hoare annotation is: false [2020-11-28 02:57:19,618 INFO L274 CegarLoopResult]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,618 INFO L270 CegarLoopResult]: At program point L997-5(lines 992 1000) the Hoare annotation is: false [2020-11-28 02:57:19,619 INFO L274 CegarLoopResult]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2020-11-28 02:57:19,619 INFO L274 CegarLoopResult]: For program point L372(lines 372 385) no Hoare annotation was computed. [2020-11-28 02:57:19,619 INFO L270 CegarLoopResult]: At program point L372-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse0 .cse4 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-11-28 02:57:19,619 INFO L274 CegarLoopResult]: For program point L372-2(lines 372 385) no Hoare annotation was computed. [2020-11-28 02:57:19,619 INFO L270 CegarLoopResult]: At program point L372-3(lines 1 1000) the Hoare annotation is: false [2020-11-28 02:57:19,619 INFO L274 CegarLoopResult]: For program point L372-4(lines 372 385) no Hoare annotation was computed. [2020-11-28 02:57:19,619 INFO L270 CegarLoopResult]: At program point L372-5(lines 1 1000) the Hoare annotation is: false [2020-11-28 02:57:19,619 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:19,619 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-28 02:57:19,620 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse4 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) (and .cse4 .cse0 .cse2))) [2020-11-28 02:57:19,620 INFO L270 CegarLoopResult]: At program point L342(lines 327 345) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-11-28 02:57:19,620 INFO L270 CegarLoopResult]: At program point L342-1(lines 327 345) the Hoare annotation is: false [2020-11-28 02:57:19,620 INFO L270 CegarLoopResult]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2020-11-28 02:57:19,620 INFO L270 CegarLoopResult]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2020-11-28 02:57:19,620 INFO L270 CegarLoopResult]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2020-11-28 02:57:19,620 INFO L270 CegarLoopResult]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2020-11-28 02:57:19,620 INFO L274 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-11-28 02:57:19,620 INFO L274 CegarLoopResult]: For program point L376-2(lines 376 382) no Hoare annotation was computed. [2020-11-28 02:57:19,620 INFO L274 CegarLoopResult]: For program point L376-4(lines 376 382) no Hoare annotation was computed. [2020-11-28 02:57:19,620 INFO L274 CegarLoopResult]: For program point L905(lines 905 909) no Hoare annotation was computed. [2020-11-28 02:57:19,620 INFO L274 CegarLoopResult]: For program point L905-3(lines 905 909) no Hoare annotation was computed. [2020-11-28 02:57:19,621 INFO L274 CegarLoopResult]: For program point L905-6(lines 905 909) no Hoare annotation was computed. [2020-11-28 02:57:19,621 INFO L270 CegarLoopResult]: At program point L974(lines 969 977) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0) .cse1) (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-11-28 02:57:19,621 INFO L270 CegarLoopResult]: At program point L974-1(lines 969 977) the Hoare annotation is: false [2020-11-28 02:57:19,621 INFO L270 CegarLoopResult]: At program point L974-2(lines 969 977) the Hoare annotation is: false [2020-11-28 02:57:19,621 INFO L274 CegarLoopResult]: For program point L215(lines 215 232) no Hoare annotation was computed. [2020-11-28 02:57:19,621 INFO L274 CegarLoopResult]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2020-11-28 02:57:19,621 INFO L274 CegarLoopResult]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2020-11-28 02:57:19,621 INFO L270 CegarLoopResult]: At program point L942(lines 937 945) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-11-28 02:57:19,621 INFO L270 CegarLoopResult]: At program point L942-1(lines 937 945) the Hoare annotation is: false [2020-11-28 02:57:19,621 INFO L270 CegarLoopResult]: At program point L942-2(lines 937 945) the Hoare annotation is: false [2020-11-28 02:57:19,621 INFO L270 CegarLoopResult]: At program point L415(lines 1 1000) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:57:19,622 INFO L270 CegarLoopResult]: At program point L448-2(lines 448 462) the Hoare annotation is: false [2020-11-28 02:57:19,622 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-28 02:57:19,622 INFO L274 CegarLoopResult]: For program point L350(lines 350 356) no Hoare annotation was computed. [2020-11-28 02:57:19,622 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:57:19,622 INFO L270 CegarLoopResult]: At program point L350-1(lines 350 356) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse0 .cse1 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-11-28 02:57:19,622 INFO L274 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,622 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,622 INFO L274 CegarLoopResult]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,622 INFO L274 CegarLoopResult]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,622 INFO L274 CegarLoopResult]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,622 INFO L274 CegarLoopResult]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,622 INFO L274 CegarLoopResult]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,622 INFO L274 CegarLoopResult]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-18(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-20(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-21(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-23(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-24(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-26(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-27(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-29(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-30(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,623 INFO L274 CegarLoopResult]: For program point L317-32(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L317-33(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L219(lines 219 227) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L317-35(lines 317 321) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L452-1(lines 131 137) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L519(lines 519 526) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L277 CegarLoopResult]: At program point L519-1(lines 519 526) the Hoare annotation is: true [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2020-11-28 02:57:19,624 INFO L274 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L189-3(lines 189 206) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L189-4(lines 189 206) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L189-5(lines 189 206) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L982(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L982-1(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L982-2(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L982-3(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L982-4(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L982-5(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L982-6(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L982-7(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L982-8(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L982-9(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,625 INFO L274 CegarLoopResult]: For program point L982-10(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,626 INFO L274 CegarLoopResult]: For program point L982-11(lines 982 988) no Hoare annotation was computed. [2020-11-28 02:57:19,626 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:57:19,626 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-11-28 02:57:19,626 INFO L274 CegarLoopResult]: For program point L917(lines 917 921) no Hoare annotation was computed. [2020-11-28 02:57:19,626 INFO L270 CegarLoopResult]: At program point L323(lines 308 326) the Hoare annotation is: false [2020-11-28 02:57:19,626 INFO L270 CegarLoopResult]: At program point L323-1(lines 308 326) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-11-28 02:57:19,626 INFO L270 CegarLoopResult]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2020-11-28 02:57:19,626 INFO L270 CegarLoopResult]: At program point L323-3(lines 308 326) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-11-28 02:57:19,626 INFO L270 CegarLoopResult]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2020-11-28 02:57:19,626 INFO L270 CegarLoopResult]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2020-11-28 02:57:19,627 INFO L270 CegarLoopResult]: At program point L323-6(lines 308 326) the Hoare annotation is: false [2020-11-28 02:57:19,627 INFO L270 CegarLoopResult]: At program point L323-7(lines 308 326) the Hoare annotation is: false [2020-11-28 02:57:19,627 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-11-28 02:57:19,627 INFO L270 CegarLoopResult]: At program point L323-8(lines 308 326) the Hoare annotation is: false [2020-11-28 02:57:19,627 INFO L270 CegarLoopResult]: At program point L323-9(lines 308 326) the Hoare annotation is: false [2020-11-28 02:57:19,627 INFO L270 CegarLoopResult]: At program point L323-10(lines 308 326) the Hoare annotation is: false [2020-11-28 02:57:19,627 INFO L270 CegarLoopResult]: At program point L323-11(lines 308 326) the Hoare annotation is: false [2020-11-28 02:57:19,627 INFO L270 CegarLoopResult]: At program point L423(lines 418 426) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:57:19,627 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-28 02:57:19,627 INFO L270 CegarLoopResult]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= 0 ~systemActive~0)) .cse0 .cse2) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-11-28 02:57:19,627 INFO L270 CegarLoopResult]: At program point L259(lines 252 262) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-11-28 02:57:19,627 INFO L270 CegarLoopResult]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2020-11-28 02:57:19,628 INFO L274 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-11-28 02:57:19,628 INFO L270 CegarLoopResult]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2020-11-28 02:57:19,628 INFO L274 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2020-11-28 02:57:19,628 INFO L274 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-11-28 02:57:19,628 INFO L274 CegarLoopResult]: For program point L193-3(lines 193 201) no Hoare annotation was computed. [2020-11-28 02:57:19,628 INFO L274 CegarLoopResult]: For program point L193-4(lines 193 201) no Hoare annotation was computed. [2020-11-28 02:57:19,628 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:57:19,628 INFO L274 CegarLoopResult]: For program point L193-5(lines 193 201) no Hoare annotation was computed. [2020-11-28 02:57:19,628 INFO L270 CegarLoopResult]: At program point L987(lines 978 991) the Hoare annotation is: false [2020-11-28 02:57:19,628 INFO L270 CegarLoopResult]: At program point L987-1(lines 978 991) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-11-28 02:57:19,628 INFO L270 CegarLoopResult]: At program point L987-2(lines 978 991) the Hoare annotation is: false [2020-11-28 02:57:19,628 INFO L270 CegarLoopResult]: At program point L987-3(lines 978 991) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-11-28 02:57:19,629 INFO L270 CegarLoopResult]: At program point L987-4(lines 978 991) the Hoare annotation is: false [2020-11-28 02:57:19,629 INFO L270 CegarLoopResult]: At program point L987-5(lines 978 991) the Hoare annotation is: false [2020-11-28 02:57:19,629 INFO L270 CegarLoopResult]: At program point L987-6(lines 978 991) the Hoare annotation is: false [2020-11-28 02:57:19,629 INFO L270 CegarLoopResult]: At program point L987-7(lines 978 991) the Hoare annotation is: false [2020-11-28 02:57:19,629 INFO L270 CegarLoopResult]: At program point L987-8(lines 978 991) the Hoare annotation is: false [2020-11-28 02:57:19,632 INFO L270 CegarLoopResult]: At program point L987-9(lines 978 991) the Hoare annotation is: false [2020-11-28 02:57:19,632 INFO L270 CegarLoopResult]: At program point L987-10(lines 978 991) the Hoare annotation is: false [2020-11-28 02:57:19,632 INFO L270 CegarLoopResult]: At program point L987-11(lines 978 991) the Hoare annotation is: false [2020-11-28 02:57:19,632 INFO L274 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,632 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,633 INFO L274 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,633 INFO L274 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,633 INFO L274 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,633 INFO L274 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,633 INFO L274 CegarLoopResult]: For program point L163-6(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,633 INFO L274 CegarLoopResult]: For program point L163-7(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,633 INFO L274 CegarLoopResult]: For program point L163-8(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,633 INFO L274 CegarLoopResult]: For program point L163-9(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,634 INFO L274 CegarLoopResult]: For program point L163-10(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,634 INFO L274 CegarLoopResult]: For program point L163-11(lines 163 180) no Hoare annotation was computed. [2020-11-28 02:57:19,634 INFO L270 CegarLoopResult]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) (and (not (= 0 ~systemActive~0)) .cse1 .cse2))) [2020-11-28 02:57:19,634 INFO L274 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2020-11-28 02:57:19,634 INFO L270 CegarLoopResult]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2020-11-28 02:57:19,634 INFO L270 CegarLoopResult]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2020-11-28 02:57:19,635 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:57:19,635 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:19,635 INFO L277 CegarLoopResult]: At program point L528(lines 509 531) the Hoare annotation is: true [2020-11-28 02:57:19,635 INFO L270 CegarLoopResult]: At program point L496(lines 492 498) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) [2020-11-28 02:57:19,635 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-11-28 02:57:19,635 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse0 .cse2) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse4 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-11-28 02:57:19,635 INFO L274 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,636 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,636 INFO L274 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,636 INFO L274 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,636 INFO L274 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,636 INFO L274 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2020-11-28 02:57:19,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:19 BoogieIcfgContainer [2020-11-28 02:57:19,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:57:19,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:19,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:19,675 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:19,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:54" (3/4) ... [2020-11-28 02:57:19,678 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:57:19,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:57:19,717 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:57:19,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:57:19,721 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:57:19,723 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:57:19,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:19,726 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:19,755 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-11-28 02:57:19,755 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel [2020-11-28 02:57:19,756 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((((waterLevel == 1 && \result == waterLevel) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-11-28 02:57:19,756 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) [2020-11-28 02:57:19,756 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) [2020-11-28 02:57:19,757 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-11-28 02:57:19,757 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel)) || ((!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 02:57:19,757 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-11-28 02:57:19,758 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-11-28 02:57:19,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) [2020-11-28 02:57:19,761 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:57:19,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:57:19,764 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel [2020-11-28 02:57:19,764 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:57:19,765 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel [2020-11-28 02:57:19,769 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 0 && tmp == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:57:19,870 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cd41b99f-9216-4d0e-848e-0ec7c8e9e02c/bin/uautomizer/witness.graphml [2020-11-28 02:57:19,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:19,871 INFO L168 Benchmark]: Toolchain (without parser) took 28202.37 ms. Allocated memory was 100.7 MB in the beginning and 450.9 MB in the end (delta: 350.2 MB). Free memory was 65.4 MB in the beginning and 195.8 MB in the end (delta: -130.4 MB). Peak memory consumption was 219.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,872 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory was 74.2 MB in the beginning and 74.2 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:19,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.61 ms. Allocated memory is still 100.7 MB. Free memory was 65.2 MB in the beginning and 66.0 MB in the end (delta: -864.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.20 ms. Allocated memory is still 100.7 MB. Free memory was 65.7 MB in the beginning and 60.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,873 INFO L168 Benchmark]: Boogie Preprocessor took 106.86 ms. Allocated memory is still 100.7 MB. Free memory was 60.7 MB in the beginning and 57.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,873 INFO L168 Benchmark]: RCFGBuilder took 1710.17 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 57.3 MB in the beginning and 96.8 MB in the end (delta: -39.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,874 INFO L168 Benchmark]: TraceAbstraction took 25386.96 ms. Allocated memory was 142.6 MB in the beginning and 450.9 MB in the end (delta: 308.3 MB). Free memory was 96.8 MB in the beginning and 212.5 MB in the end (delta: -115.8 MB). Peak memory consumption was 258.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,874 INFO L168 Benchmark]: Witness Printer took 196.14 ms. Allocated memory is still 450.9 MB. Free memory was 212.5 MB in the beginning and 195.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:19,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory was 74.2 MB in the beginning and 74.2 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 636.61 ms. Allocated memory is still 100.7 MB. Free memory was 65.2 MB in the beginning and 66.0 MB in the end (delta: -864.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 148.20 ms. Allocated memory is still 100.7 MB. Free memory was 65.7 MB in the beginning and 60.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 106.86 ms. Allocated memory is still 100.7 MB. Free memory was 60.7 MB in the beginning and 57.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1710.17 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 57.3 MB in the beginning and 96.8 MB in the end (delta: -39.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25386.96 ms. Allocated memory was 142.6 MB in the beginning and 450.9 MB in the end (delta: 308.3 MB). Free memory was 96.8 MB in the beginning and 212.5 MB in the end (delta: -115.8 MB). Peak memory consumption was 258.5 MB. Max. memory is 16.1 GB. * Witness Printer took 196.14 ms. Allocated memory is still 450.9 MB. Free memory was 212.5 MB in the beginning and 195.8 MB in the end (delta: 16.8 MB). Peak memory consumption was 14.7 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: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel)) || ((!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((((tmp == 0 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 0 && tmp == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((((waterLevel == 1 && \result == waterLevel) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: (((tmp == 0 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 194 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.0s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1858 SDtfs, 3609 SDslu, 3782 SDs, 0 SdLazy, 524 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=836occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 4184 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 374 NumberOfFragments, 743 HoareAnnotationTreeSize, 68 FomulaSimplifications, 4029405 FormulaSimplificationTreeSizeReduction, 5.6s HoareSimplificationTime, 68 FomulaSimplificationsInter, 1390694 FormulaSimplificationTreeSizeReductionInter, 12.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 58346 SizeOfPredicates, 4 NumberOfNonLiveVariables, 822 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 207/218 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...