./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.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_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/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 886ac0ae3890ab27ff2aed3926ccccbc5335b8b2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:16:13,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:16:13,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:16:13,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:16:13,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:16:13,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:16:13,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:16:13,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:16:13,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:16:13,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:16:13,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:16:13,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:16:13,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:16:13,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:16:13,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:16:13,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:16:13,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:16:13,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:16:13,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:16:13,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:16:13,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:16:13,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:16:13,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:16:13,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:16:13,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:16:13,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:16:13,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:16:13,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:16:13,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:16:13,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:16:13,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:16:13,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:16:13,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:16:13,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:16:13,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:16:13,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:16:13,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:16:13,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:16:13,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:16:13,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:16:13,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:16:13,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:16:13,291 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:16:13,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:16:13,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:16:13,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:16:13,294 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:16:13,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:16:13,294 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:16:13,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:16:13,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:16:13,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:16:13,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:16:13,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:16:13,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:16:13,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:16:13,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:16:13,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:16:13,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:16:13,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:16:13,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:16:13,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:16:13,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:16:13,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:16:13,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:16:13,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:16:13,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:16:13,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:16:13,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:16:13,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:16:13,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:16:13,299 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_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 886ac0ae3890ab27ff2aed3926ccccbc5335b8b2 [2020-11-28 03:16:13,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:16:13,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:16:13,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:16:13,589 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:16:13,592 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:16:13,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2020-11-28 03:16:13,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/data/6b48d385b/18c29180ef6b41c1b6b5181e1dadf9f3/FLAG46408d89d [2020-11-28 03:16:14,233 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:16:14,233 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2020-11-28 03:16:14,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/data/6b48d385b/18c29180ef6b41c1b6b5181e1dadf9f3/FLAG46408d89d [2020-11-28 03:16:14,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/data/6b48d385b/18c29180ef6b41c1b6b5181e1dadf9f3 [2020-11-28 03:16:14,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:16:14,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:16:14,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:14,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:16:14,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:16:14,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:14" (1/1) ... [2020-11-28 03:16:14,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147ee14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:14, skipping insertion in model container [2020-11-28 03:16:14,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:14" (1/1) ... [2020-11-28 03:16:14,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:16:14,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:16:15,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:15,051 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:16:15,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:15,160 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:16:15,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15 WrapperNode [2020-11-28 03:16:15,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:15,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:15,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:16:15,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:16:15,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15" (1/1) ... [2020-11-28 03:16:15,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15" (1/1) ... [2020-11-28 03:16:15,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:15,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:16:15,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:16:15,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:16:15,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15" (1/1) ... [2020-11-28 03:16:15,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15" (1/1) ... [2020-11-28 03:16:15,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15" (1/1) ... [2020-11-28 03:16:15,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15" (1/1) ... [2020-11-28 03:16:15,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15" (1/1) ... [2020-11-28 03:16:15,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15" (1/1) ... [2020-11-28 03:16:15,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15" (1/1) ... [2020-11-28 03:16:15,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:16:15,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:16:15,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:16:15,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:16:15,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:16:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:16:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:16:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:16:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:16:16,470 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:16:16,471 INFO L298 CfgBuilder]: Removed 202 assume(true) statements. [2020-11-28 03:16:16,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:16 BoogieIcfgContainer [2020-11-28 03:16:16,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:16:16,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:16:16,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:16:16,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:16:16,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:16:14" (1/3) ... [2020-11-28 03:16:16,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bbde59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:16, skipping insertion in model container [2020-11-28 03:16:16,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:15" (2/3) ... [2020-11-28 03:16:16,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bbde59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:16, skipping insertion in model container [2020-11-28 03:16:16,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:16" (3/3) ... [2020-11-28 03:16:16,503 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2020-11-28 03:16:16,514 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:16:16,519 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:16:16,532 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:16:16,574 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:16:16,574 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:16:16,575 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:16:16,575 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:16:16,575 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:16:16,575 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:16:16,575 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:16:16,575 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:16:16,592 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-11-28 03:16:16,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:16:16,597 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:16,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:16,598 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:16,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:16,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1108417028, now seen corresponding path program 1 times [2020-11-28 03:16:16,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:16,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294316413] [2020-11-28 03:16:16,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:16,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:16,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294316413] [2020-11-28 03:16:16,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:16,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:16:16,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212952549] [2020-11-28 03:16:16,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:16:16,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:16,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:16:16,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:16:16,860 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2020-11-28 03:16:16,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:16,913 INFO L93 Difference]: Finished difference Result 274 states and 411 transitions. [2020-11-28 03:16:16,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:16:16,915 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:16:16,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:16,930 INFO L225 Difference]: With dead ends: 274 [2020-11-28 03:16:16,930 INFO L226 Difference]: Without dead ends: 135 [2020-11-28 03:16:16,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:16:16,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-11-28 03:16:17,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-11-28 03:16:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-28 03:16:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2020-11-28 03:16:17,012 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2020-11-28 03:16:17,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:17,012 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2020-11-28 03:16:17,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:16:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2020-11-28 03:16:17,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:16:17,014 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:17,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:17,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:16:17,015 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:17,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:17,018 INFO L82 PathProgramCache]: Analyzing trace with hash 889581059, now seen corresponding path program 1 times [2020-11-28 03:16:17,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:17,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677847066] [2020-11-28 03:16:17,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:17,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677847066] [2020-11-28 03:16:17,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:17,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:17,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710019788] [2020-11-28 03:16:17,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:17,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:17,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:17,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:17,192 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2020-11-28 03:16:17,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:17,204 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2020-11-28 03:16:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:17,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:16:17,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:17,206 INFO L225 Difference]: With dead ends: 135 [2020-11-28 03:16:17,206 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:16:17,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:17,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:16:17,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:16:17,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:16:17,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-28 03:16:17,213 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-11-28 03:16:17,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:17,213 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-28 03:16:17,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:17,213 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-28 03:16:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:16:17,214 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:17,215 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:17,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:16:17,215 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:17,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:17,216 INFO L82 PathProgramCache]: Analyzing trace with hash -622955081, now seen corresponding path program 1 times [2020-11-28 03:16:17,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:17,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319665233] [2020-11-28 03:16:17,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:17,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319665233] [2020-11-28 03:16:17,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:17,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:16:17,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893344448] [2020-11-28 03:16:17,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:16:17,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:17,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:16:17,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:17,335 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2020-11-28 03:16:17,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:17,389 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-11-28 03:16:17,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:16:17,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 03:16:17,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:17,390 INFO L225 Difference]: With dead ends: 103 [2020-11-28 03:16:17,390 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:16:17,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:16:17,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:16:17,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:16:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:16:17,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-11-28 03:16:17,404 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-11-28 03:16:17,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:17,405 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-11-28 03:16:17,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:16:17,406 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-11-28 03:16:17,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:16:17,408 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:17,408 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:17,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:16:17,410 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:17,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:17,411 INFO L82 PathProgramCache]: Analyzing trace with hash -543801984, now seen corresponding path program 1 times [2020-11-28 03:16:17,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:17,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926907822] [2020-11-28 03:16:17,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:17,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926907822] [2020-11-28 03:16:17,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:17,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:16:17,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774839854] [2020-11-28 03:16:17,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:17,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:17,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:17,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:17,548 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-11-28 03:16:17,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:17,603 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2020-11-28 03:16:17,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:17,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 03:16:17,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:17,605 INFO L225 Difference]: With dead ends: 125 [2020-11-28 03:16:17,605 INFO L226 Difference]: Without dead ends: 77 [2020-11-28 03:16:17,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:17,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-28 03:16:17,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2020-11-28 03:16:17,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-28 03:16:17,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-11-28 03:16:17,620 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2020-11-28 03:16:17,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:17,621 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-11-28 03:16:17,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:17,621 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-28 03:16:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:16:17,624 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:17,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:17,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:16:17,625 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:17,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:17,625 INFO L82 PathProgramCache]: Analyzing trace with hash 433721006, now seen corresponding path program 1 times [2020-11-28 03:16:17,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:17,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55950740] [2020-11-28 03:16:17,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:17,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55950740] [2020-11-28 03:16:17,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:17,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:16:17,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545890979] [2020-11-28 03:16:17,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:17,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:17,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:17,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:17,746 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-11-28 03:16:17,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:17,820 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2020-11-28 03:16:17,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:17,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-11-28 03:16:17,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:17,823 INFO L225 Difference]: With dead ends: 194 [2020-11-28 03:16:17,823 INFO L226 Difference]: Without dead ends: 126 [2020-11-28 03:16:17,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:17,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-28 03:16:17,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2020-11-28 03:16:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-11-28 03:16:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-11-28 03:16:17,845 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2020-11-28 03:16:17,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:17,846 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-11-28 03:16:17,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-11-28 03:16:17,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:16:17,852 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:17,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:17,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:16:17,852 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:17,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:17,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1020527020, now seen corresponding path program 1 times [2020-11-28 03:16:17,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:17,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526538669] [2020-11-28 03:16:17,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:17,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526538669] [2020-11-28 03:16:17,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:17,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:16:17,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206898149] [2020-11-28 03:16:17,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:16:17,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:17,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:16:17,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:17,948 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2020-11-28 03:16:18,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:18,111 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2020-11-28 03:16:18,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:16:18,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 03:16:18,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:18,116 INFO L225 Difference]: With dead ends: 622 [2020-11-28 03:16:18,116 INFO L226 Difference]: Without dead ends: 505 [2020-11-28 03:16:18,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:16:18,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-11-28 03:16:18,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2020-11-28 03:16:18,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-11-28 03:16:18,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2020-11-28 03:16:18,161 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2020-11-28 03:16:18,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:18,166 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2020-11-28 03:16:18,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:16:18,167 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2020-11-28 03:16:18,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:16:18,170 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:18,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:18,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:16:18,171 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:18,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:18,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1020370484, now seen corresponding path program 1 times [2020-11-28 03:16:18,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:18,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917486507] [2020-11-28 03:16:18,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:18,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917486507] [2020-11-28 03:16:18,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:18,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:16:18,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865672729] [2020-11-28 03:16:18,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:16:18,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:18,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:16:18,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:18,283 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2020-11-28 03:16:18,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:18,454 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2020-11-28 03:16:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:16:18,455 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:16:18,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:18,459 INFO L225 Difference]: With dead ends: 865 [2020-11-28 03:16:18,459 INFO L226 Difference]: Without dead ends: 645 [2020-11-28 03:16:18,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:16:18,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-11-28 03:16:18,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2020-11-28 03:16:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-11-28 03:16:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2020-11-28 03:16:18,494 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2020-11-28 03:16:18,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:18,495 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2020-11-28 03:16:18,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:16:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2020-11-28 03:16:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 03:16:18,498 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:18,498 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:18,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:16:18,499 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:18,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:18,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1031669644, now seen corresponding path program 1 times [2020-11-28 03:16:18,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:18,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578521662] [2020-11-28 03:16:18,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:18,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578521662] [2020-11-28 03:16:18,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:18,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:16:18,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286498534] [2020-11-28 03:16:18,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:16:18,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:18,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:16:18,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:18,588 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2020-11-28 03:16:18,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:18,682 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2020-11-28 03:16:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:16:18,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-28 03:16:18,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:18,686 INFO L225 Difference]: With dead ends: 609 [2020-11-28 03:16:18,686 INFO L226 Difference]: Without dead ends: 391 [2020-11-28 03:16:18,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:16:18,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-11-28 03:16:18,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2020-11-28 03:16:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-11-28 03:16:18,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2020-11-28 03:16:18,713 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2020-11-28 03:16:18,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:18,713 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2020-11-28 03:16:18,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:16:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2020-11-28 03:16:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 03:16:18,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:18,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:18,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:16:18,715 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:18,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:18,716 INFO L82 PathProgramCache]: Analyzing trace with hash 20552394, now seen corresponding path program 1 times [2020-11-28 03:16:18,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:18,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882206065] [2020-11-28 03:16:18,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:18,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882206065] [2020-11-28 03:16:18,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:18,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:16:18,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365244599] [2020-11-28 03:16:18,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:16:18,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:18,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:16:18,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:18,805 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 4 states. [2020-11-28 03:16:18,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:18,879 INFO L93 Difference]: Finished difference Result 512 states and 682 transitions. [2020-11-28 03:16:18,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:16:18,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-11-28 03:16:18,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:18,882 INFO L225 Difference]: With dead ends: 512 [2020-11-28 03:16:18,882 INFO L226 Difference]: Without dead ends: 276 [2020-11-28 03:16:18,882 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 03:16:18,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-11-28 03:16:18,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2020-11-28 03:16:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-28 03:16:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2020-11-28 03:16:18,904 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2020-11-28 03:16:18,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:18,906 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2020-11-28 03:16:18,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:16:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2020-11-28 03:16:18,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:16:18,907 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:18,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:18,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:16:18,908 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:18,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:18,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1819972552, now seen corresponding path program 1 times [2020-11-28 03:16:18,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:18,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080426435] [2020-11-28 03:16:18,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:18,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080426435] [2020-11-28 03:16:18,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:18,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:16:18,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944911429] [2020-11-28 03:16:18,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:16:18,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:18,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:16:18,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:16:18,994 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2020-11-28 03:16:19,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:19,247 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2020-11-28 03:16:19,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 03:16:19,251 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-11-28 03:16:19,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:19,254 INFO L225 Difference]: With dead ends: 615 [2020-11-28 03:16:19,254 INFO L226 Difference]: Without dead ends: 418 [2020-11-28 03:16:19,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:16:19,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-11-28 03:16:19,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2020-11-28 03:16:19,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-28 03:16:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2020-11-28 03:16:19,281 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2020-11-28 03:16:19,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:19,282 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2020-11-28 03:16:19,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:16:19,282 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2020-11-28 03:16:19,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:16:19,283 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:19,283 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:19,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:16:19,284 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:19,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:19,285 INFO L82 PathProgramCache]: Analyzing trace with hash -49858535, now seen corresponding path program 1 times [2020-11-28 03:16:19,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:19,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111300016] [2020-11-28 03:16:19,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:19,390 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 03:16:19,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111300016] [2020-11-28 03:16:19,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:19,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:16:19,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930100190] [2020-11-28 03:16:19,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:16:19,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:19,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:16:19,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:16:19,393 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2020-11-28 03:16:19,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:19,551 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2020-11-28 03:16:19,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:16:19,552 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-28 03:16:19,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:19,554 INFO L225 Difference]: With dead ends: 516 [2020-11-28 03:16:19,555 INFO L226 Difference]: Without dead ends: 369 [2020-11-28 03:16:19,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:16:19,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-11-28 03:16:19,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2020-11-28 03:16:19,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-11-28 03:16:19,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2020-11-28 03:16:19,584 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2020-11-28 03:16:19,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:19,586 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2020-11-28 03:16:19,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:16:19,586 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2020-11-28 03:16:19,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:16:19,587 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:19,587 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:19,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:16:19,588 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:19,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:19,588 INFO L82 PathProgramCache]: Analyzing trace with hash -308023973, now seen corresponding path program 1 times [2020-11-28 03:16:19,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:19,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119354393] [2020-11-28 03:16:19,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:19,648 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 03:16:19,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119354393] [2020-11-28 03:16:19,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:19,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:19,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816213456] [2020-11-28 03:16:19,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:19,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:19,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:19,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:19,650 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2020-11-28 03:16:19,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:19,701 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2020-11-28 03:16:19,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:19,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-28 03:16:19,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:19,704 INFO L225 Difference]: With dead ends: 331 [2020-11-28 03:16:19,704 INFO L226 Difference]: Without dead ends: 329 [2020-11-28 03:16:19,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:19,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-11-28 03:16:19,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2020-11-28 03:16:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-11-28 03:16:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2020-11-28 03:16:19,733 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2020-11-28 03:16:19,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:19,733 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2020-11-28 03:16:19,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2020-11-28 03:16:19,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 03:16:19,734 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:19,735 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2020-11-28 03:16:19,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:16:19,736 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:19,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:19,737 INFO L82 PathProgramCache]: Analyzing trace with hash -422129318, now seen corresponding path program 1 times [2020-11-28 03:16:19,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:19,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980421982] [2020-11-28 03:16:19,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:19,970 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:16:19,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980421982] [2020-11-28 03:16:19,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:19,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:16:19,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704794450] [2020-11-28 03:16:19,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:16:19,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:19,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:16:19,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:19,972 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2020-11-28 03:16:20,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:20,430 INFO L93 Difference]: Finished difference Result 641 states and 850 transitions. [2020-11-28 03:16:20,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:16:20,430 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-28 03:16:20,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:20,433 INFO L225 Difference]: With dead ends: 641 [2020-11-28 03:16:20,433 INFO L226 Difference]: Without dead ends: 462 [2020-11-28 03:16:20,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:16:20,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-11-28 03:16:20,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 269. [2020-11-28 03:16:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-11-28 03:16:20,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2020-11-28 03:16:20,473 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2020-11-28 03:16:20,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:20,474 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2020-11-28 03:16:20,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:16:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2020-11-28 03:16:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 03:16:20,475 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:20,475 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2020-11-28 03:16:20,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:16:20,475 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:20,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:20,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1443197672, now seen corresponding path program 1 times [2020-11-28 03:16:20,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:20,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878476270] [2020-11-28 03:16:20,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:20,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878476270] [2020-11-28 03:16:20,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14716817] [2020-11-28 03:16:20,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:16:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:20,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:16:20,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:16:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:20,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:16:20,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-28 03:16:20,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406682010] [2020-11-28 03:16:20,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:16:20,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:20,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:16:20,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:20,856 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2020-11-28 03:16:21,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:21,161 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2020-11-28 03:16:21,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:16:21,161 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-11-28 03:16:21,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:21,163 INFO L225 Difference]: With dead ends: 559 [2020-11-28 03:16:21,163 INFO L226 Difference]: Without dead ends: 294 [2020-11-28 03:16:21,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:21,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-11-28 03:16:21,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2020-11-28 03:16:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-28 03:16:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2020-11-28 03:16:21,213 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2020-11-28 03:16:21,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:21,213 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2020-11-28 03:16:21,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:16:21,213 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2020-11-28 03:16:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-28 03:16:21,220 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:21,220 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2020-11-28 03:16:21,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-28 03:16:21,446 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:21,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:21,446 INFO L82 PathProgramCache]: Analyzing trace with hash -773335816, now seen corresponding path program 2 times [2020-11-28 03:16:21,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:21,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237517095] [2020-11-28 03:16:21,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 03:16:21,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237517095] [2020-11-28 03:16:21,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281905877] [2020-11-28 03:16:21,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/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 03:16:21,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-28 03:16:21,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:16:21,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 03:16:21,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:16:21,933 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:16:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 03:16:21,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:16:21,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-11-28 03:16:21,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450218882] [2020-11-28 03:16:21,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:16:21,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:21,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:16:21,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:16:21,978 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2020-11-28 03:16:22,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:22,220 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2020-11-28 03:16:22,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:16:22,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-11-28 03:16:22,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:22,221 INFO L225 Difference]: With dead ends: 608 [2020-11-28 03:16:22,221 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:16:22,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:16:22,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:16:22,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:16:22,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:16:22,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:16:22,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-11-28 03:16:22,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:22,223 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:16:22,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:16:22,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:16:22,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:16:22,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-28 03:16:22,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:16:22,889 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 181 [2020-11-28 03:16:23,193 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 181 [2020-11-28 03:16:23,373 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 146 [2020-11-28 03:16:23,981 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 162 [2020-11-28 03:16:24,335 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 126 [2020-11-28 03:16:24,481 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 146 [2020-11-28 03:16:24,817 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 166 [2020-11-28 03:16:25,033 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 118 [2020-11-28 03:16:25,255 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 151 [2020-11-28 03:16:25,508 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-11-28 03:16:26,325 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 35 [2020-11-28 03:16:27,140 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 35 [2020-11-28 03:16:27,754 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 37 [2020-11-28 03:16:28,028 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 29 [2020-11-28 03:16:28,659 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 29 [2020-11-28 03:16:29,006 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 31 [2020-11-28 03:16:29,523 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 37 [2020-11-28 03:16:29,726 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2020-11-28 03:16:30,237 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 31 [2020-11-28 03:16:30,864 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2020-11-28 03:16:31,364 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 37 [2020-11-28 03:16:31,427 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:16:31,427 INFO L274 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-11-28 03:16:31,428 INFO L274 CegarLoopResult]: For program point L663(lines 663 671) no Hoare annotation was computed. [2020-11-28 03:16:31,428 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2020-11-28 03:16:31,428 INFO L274 CegarLoopResult]: For program point L663-1(lines 663 671) no Hoare annotation was computed. [2020-11-28 03:16:31,428 INFO L274 CegarLoopResult]: For program point L663-2(lines 663 671) no Hoare annotation was computed. [2020-11-28 03:16:31,428 INFO L274 CegarLoopResult]: For program point L696-4(lines 696 702) no Hoare annotation was computed. [2020-11-28 03:16:31,428 INFO L274 CegarLoopResult]: For program point L696-6(lines 696 702) no Hoare annotation was computed. [2020-11-28 03:16:31,428 INFO L274 CegarLoopResult]: For program point L696-8(lines 696 702) no Hoare annotation was computed. [2020-11-28 03:16:31,428 INFO L274 CegarLoopResult]: For program point L696-10(lines 696 702) no Hoare annotation was computed. [2020-11-28 03:16:31,428 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:16:31,428 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:16:31,428 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:16:31,429 INFO L270 CegarLoopResult]: At program point L730(lines 725 733) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:16:31,429 INFO L270 CegarLoopResult]: At program point L730-1(lines 725 733) the Hoare annotation is: false [2020-11-28 03:16:31,429 INFO L270 CegarLoopResult]: At program point L730-2(lines 725 733) the Hoare annotation is: false [2020-11-28 03:16:31,429 INFO L274 CegarLoopResult]: For program point L533(lines 532 579) no Hoare annotation was computed. [2020-11-28 03:16:31,429 INFO L274 CegarLoopResult]: For program point L996(line 996) no Hoare annotation was computed. [2020-11-28 03:16:31,429 INFO L274 CegarLoopResult]: For program point L996-1(line 996) no Hoare annotation was computed. [2020-11-28 03:16:31,429 INFO L274 CegarLoopResult]: For program point L996-2(line 996) no Hoare annotation was computed. [2020-11-28 03:16:31,430 INFO L274 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-11-28 03:16:31,430 INFO L274 CegarLoopResult]: For program point L798-2(lines 798 802) no Hoare annotation was computed. [2020-11-28 03:16:31,430 INFO L274 CegarLoopResult]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2020-11-28 03:16:31,430 INFO L274 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-11-28 03:16:31,430 INFO L274 CegarLoopResult]: For program point L798-5(lines 798 802) no Hoare annotation was computed. [2020-11-28 03:16:31,430 INFO L274 CegarLoopResult]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2020-11-28 03:16:31,430 INFO L274 CegarLoopResult]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2020-11-28 03:16:31,430 INFO L274 CegarLoopResult]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2020-11-28 03:16:31,430 INFO L274 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-11-28 03:16:31,431 INFO L274 CegarLoopResult]: For program point L633-3(lines 633 650) no Hoare annotation was computed. [2020-11-28 03:16:31,431 INFO L274 CegarLoopResult]: For program point L798-8(lines 798 802) no Hoare annotation was computed. [2020-11-28 03:16:31,431 INFO L274 CegarLoopResult]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2020-11-28 03:16:31,431 INFO L274 CegarLoopResult]: For program point L633-5(lines 633 650) no Hoare annotation was computed. [2020-11-28 03:16:31,431 INFO L270 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2020-11-28 03:16:31,431 INFO L270 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse8 .cse6) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse2 .cse4 .cse5 .cse7 .cse8 .cse6))) [2020-11-28 03:16:31,431 INFO L270 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2020-11-28 03:16:31,431 INFO L270 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2020-11-28 03:16:31,432 INFO L270 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2020-11-28 03:16:31,432 INFO L270 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2020-11-28 03:16:31,432 INFO L270 CegarLoopResult]: At program point L601(lines 600 619) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-11-28 03:16:31,432 INFO L274 CegarLoopResult]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2020-11-28 03:16:31,432 INFO L270 CegarLoopResult]: At program point L601-2(lines 600 619) the Hoare annotation is: false [2020-11-28 03:16:31,432 INFO L270 CegarLoopResult]: At program point L601-3(lines 600 619) the Hoare annotation is: false [2020-11-28 03:16:31,432 INFO L274 CegarLoopResult]: For program point L570(lines 570 574) no Hoare annotation was computed. [2020-11-28 03:16:31,433 INFO L270 CegarLoopResult]: At program point L570-2(lines 601 607) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse7 .cse4 .cse5) (and .cse0 (= ~waterLevel~0 1) .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-28 03:16:31,433 INFO L274 CegarLoopResult]: For program point L835(lines 835 852) no Hoare annotation was computed. [2020-11-28 03:16:31,433 INFO L270 CegarLoopResult]: At program point L835-1(lines 1 999) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 .cse5) (and .cse0 (= ~waterLevel~0 1) .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse6 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-11-28 03:16:31,433 INFO L274 CegarLoopResult]: For program point L835-2(lines 835 852) no Hoare annotation was computed. [2020-11-28 03:16:31,433 INFO L270 CegarLoopResult]: At program point L835-3(lines 1 999) the Hoare annotation is: false [2020-11-28 03:16:31,433 INFO L274 CegarLoopResult]: For program point L835-4(lines 835 852) no Hoare annotation was computed. [2020-11-28 03:16:31,433 INFO L270 CegarLoopResult]: At program point L835-5(lines 1 999) the Hoare annotation is: false [2020-11-28 03:16:31,434 INFO L274 CegarLoopResult]: For program point L637(lines 637 645) no Hoare annotation was computed. [2020-11-28 03:16:31,434 INFO L274 CegarLoopResult]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2020-11-28 03:16:31,434 INFO L274 CegarLoopResult]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2020-11-28 03:16:31,434 INFO L274 CegarLoopResult]: For program point L637-3(lines 637 645) no Hoare annotation was computed. [2020-11-28 03:16:31,434 INFO L274 CegarLoopResult]: For program point L637-4(lines 637 645) no Hoare annotation was computed. [2020-11-28 03:16:31,434 INFO L274 CegarLoopResult]: For program point L637-5(lines 637 645) no Hoare annotation was computed. [2020-11-28 03:16:31,434 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:16:31,435 INFO L270 CegarLoopResult]: At program point L804(lines 789 807) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0))) (.cse2 (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0))) (.cse3 (let ((.cse9 (= ~waterLevel~0 0))) (or (and (= ULTIMATE.start_isLowWaterLevel_~tmp~8 1) .cse9) (and (not .cse9) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0))))) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-28 03:16:31,435 INFO L270 CegarLoopResult]: At program point L804-1(lines 789 807) the Hoare annotation is: false [2020-11-28 03:16:31,435 INFO L270 CegarLoopResult]: At program point L804-2(lines 789 807) the Hoare annotation is: false [2020-11-28 03:16:31,435 INFO L274 CegarLoopResult]: For program point L839(lines 839 849) no Hoare annotation was computed. [2020-11-28 03:16:31,435 INFO L274 CegarLoopResult]: For program point L839-2(lines 839 849) no Hoare annotation was computed. [2020-11-28 03:16:31,435 INFO L274 CegarLoopResult]: For program point L839-4(lines 839 849) no Hoare annotation was computed. [2020-11-28 03:16:31,435 INFO L270 CegarLoopResult]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse6 .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse2 .cse5 .cse3 .cse6 .cse4))) [2020-11-28 03:16:31,435 INFO L270 CegarLoopResult]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2020-11-28 03:16:31,436 INFO L274 CegarLoopResult]: For program point L542(lines 542 548) no Hoare annotation was computed. [2020-11-28 03:16:31,436 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2020-11-28 03:16:31,436 INFO L270 CegarLoopResult]: At program point L542-1(lines 542 548) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse7 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse3 .cse5 .cse6))) [2020-11-28 03:16:31,436 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-11-28 03:16:31,436 INFO L274 CegarLoopResult]: For program point L840(lines 840 846) no Hoare annotation was computed. [2020-11-28 03:16:31,436 INFO L270 CegarLoopResult]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2020-11-28 03:16:31,436 INFO L274 CegarLoopResult]: For program point L840-2(lines 840 846) no Hoare annotation was computed. [2020-11-28 03:16:31,436 INFO L274 CegarLoopResult]: For program point L840-4(lines 840 846) no Hoare annotation was computed. [2020-11-28 03:16:31,437 INFO L274 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-11-28 03:16:31,437 INFO L270 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-28 03:16:31,437 INFO L270 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2020-11-28 03:16:31,437 INFO L270 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2020-11-28 03:16:31,437 INFO L274 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-11-28 03:16:31,437 INFO L274 CegarLoopResult]: For program point L910-1(lines 601 607) no Hoare annotation was computed. [2020-11-28 03:16:31,437 INFO L270 CegarLoopResult]: At program point L580(lines 531 581) the Hoare annotation is: false [2020-11-28 03:16:31,437 INFO L274 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,438 INFO L274 CegarLoopResult]: For program point L779-2(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,438 INFO L274 CegarLoopResult]: For program point L779-3(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,438 INFO L274 CegarLoopResult]: For program point L779-5(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,438 INFO L274 CegarLoopResult]: For program point L779-6(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,438 INFO L274 CegarLoopResult]: For program point L779-8(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,438 INFO L274 CegarLoopResult]: For program point L779-9(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,438 INFO L274 CegarLoopResult]: For program point L779-11(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,438 INFO L274 CegarLoopResult]: For program point L779-12(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,438 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:16:31,439 INFO L274 CegarLoopResult]: For program point L779-14(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,439 INFO L274 CegarLoopResult]: For program point L779-15(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,439 INFO L274 CegarLoopResult]: For program point L779-17(lines 779 783) no Hoare annotation was computed. [2020-11-28 03:16:31,439 INFO L274 CegarLoopResult]: For program point L978(lines 978 985) no Hoare annotation was computed. [2020-11-28 03:16:31,439 INFO L277 CegarLoopResult]: At program point L978-1(lines 978 985) the Hoare annotation is: true [2020-11-28 03:16:31,439 INFO L274 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-11-28 03:16:31,439 INFO L274 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2020-11-28 03:16:31,439 INFO L270 CegarLoopResult]: At program point L882(lines 1 999) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:16:31,439 INFO L274 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2020-11-28 03:16:31,440 INFO L274 CegarLoopResult]: For program point L552(lines 552 558) no Hoare annotation was computed. [2020-11-28 03:16:31,440 INFO L270 CegarLoopResult]: At program point L552-1(lines 552 558) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse7 .cse4 .cse5) (and .cse0 (= ~waterLevel~0 1) .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-28 03:16:31,440 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:16:31,440 INFO L270 CegarLoopResult]: At program point L785(lines 770 788) the Hoare annotation is: false [2020-11-28 03:16:31,440 INFO L270 CegarLoopResult]: At program point L785-1(lines 770 788) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse2 .cse9 .cse4 .cse10 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse2 .cse9 .cse4 .cse5 .cse10 .cse6))) [2020-11-28 03:16:31,440 INFO L270 CegarLoopResult]: At program point L785-2(lines 770 788) the Hoare annotation is: false [2020-11-28 03:16:31,440 INFO L270 CegarLoopResult]: At program point L785-3(lines 770 788) the Hoare annotation is: false [2020-11-28 03:16:31,441 INFO L270 CegarLoopResult]: At program point L785-4(lines 770 788) the Hoare annotation is: false [2020-11-28 03:16:31,441 INFO L270 CegarLoopResult]: At program point L785-5(lines 770 788) the Hoare annotation is: false [2020-11-28 03:16:31,441 INFO L270 CegarLoopResult]: At program point L93(lines 88 96) the Hoare annotation is: false [2020-11-28 03:16:31,441 INFO L270 CegarLoopResult]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-28 03:16:31,441 INFO L270 CegarLoopResult]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse4 .cse5))) [2020-11-28 03:16:31,441 INFO L270 CegarLoopResult]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2020-11-28 03:16:31,441 INFO L270 CegarLoopResult]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2020-11-28 03:16:31,442 INFO L270 CegarLoopResult]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2020-11-28 03:16:31,442 INFO L270 CegarLoopResult]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2020-11-28 03:16:31,442 INFO L270 CegarLoopResult]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2020-11-28 03:16:31,442 INFO L270 CegarLoopResult]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2020-11-28 03:16:31,442 INFO L270 CegarLoopResult]: At program point L721(lines 714 724) the Hoare annotation is: false [2020-11-28 03:16:31,442 INFO L270 CegarLoopResult]: At program point L721-1(lines 714 724) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5))) [2020-11-28 03:16:31,442 INFO L270 CegarLoopResult]: At program point L721-2(lines 714 724) the Hoare annotation is: false [2020-11-28 03:16:31,442 INFO L270 CegarLoopResult]: At program point L721-3(lines 714 724) the Hoare annotation is: false [2020-11-28 03:16:31,443 INFO L270 CegarLoopResult]: At program point L721-4(lines 714 724) the Hoare annotation is: false [2020-11-28 03:16:31,443 INFO L270 CegarLoopResult]: At program point L721-5(lines 714 724) the Hoare annotation is: false [2020-11-28 03:16:31,443 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:16:31,443 INFO L277 CegarLoopResult]: At program point L987(lines 968 990) the Hoare annotation is: true [2020-11-28 03:16:31,443 INFO L270 CegarLoopResult]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:16:31,443 INFO L270 CegarLoopResult]: At program point L890(lines 885 893) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:16:31,443 INFO L270 CegarLoopResult]: At program point L824(lines 819 826) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:16:31,443 INFO L274 CegarLoopResult]: For program point L659(lines 659 676) no Hoare annotation was computed. [2020-11-28 03:16:31,444 INFO L274 CegarLoopResult]: For program point L659-1(lines 659 676) no Hoare annotation was computed. [2020-11-28 03:16:31,444 INFO L274 CegarLoopResult]: For program point L659-2(lines 659 676) no Hoare annotation was computed. [2020-11-28 03:16:31,444 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:16:31,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:16:31,444 INFO L274 CegarLoopResult]: For program point L562(lines 562 575) no Hoare annotation was computed. [2020-11-28 03:16:31,444 INFO L274 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-11-28 03:16:31,444 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2020-11-28 03:16:31,444 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2020-11-28 03:16:31,444 INFO L274 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2020-11-28 03:16:31,444 INFO L274 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2020-11-28 03:16:31,444 INFO L274 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2020-11-28 03:16:31,445 INFO L274 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-11-28 03:16:31,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:16:31 BoogieIcfgContainer [2020-11-28 03:16:31,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:16:31,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:16:31,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:16:31,488 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:16:31,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:16" (3/4) ... [2020-11-28 03:16:31,491 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:16:31,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:16:31,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:16:31,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:16:31,520 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:16:31,521 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:16:31,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:16:31,524 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:16:31,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:16:31,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:16:31,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:16:31,551 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-11-28 03:16:31,552 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-11-28 03:16:31,552 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-11-28 03:16:31,553 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-11-28 03:16:31,553 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:16:31,553 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:16:31,555 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:16:31,555 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:16:31,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) [2020-11-28 03:16:31,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-28 03:16:31,557 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && !(tmp___0 == 0)) && methaneLevelCritical == 1) && !(\result == 0)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((((((tmp == 1 && !(tmp___0 == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:16:31,558 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && methaneLevelCritical == 1) && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == 1 && tmp___0 == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 03:16:31,560 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:16:31,560 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:16:31,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a0d7b3c4-9e59-42e6-95bd-e0fb96b4ced2/bin/uautomizer/witness.graphml [2020-11-28 03:16:31,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:16:31,668 INFO L168 Benchmark]: Toolchain (without parser) took 17138.71 ms. Allocated memory was 130.0 MB in the beginning and 272.6 MB in the end (delta: 142.6 MB). Free memory was 100.5 MB in the beginning and 203.9 MB in the end (delta: -103.4 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:31,668 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 42.4 MB in the beginning and 42.4 MB in the end (delta: 41.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:16:31,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.55 ms. Allocated memory is still 130.0 MB. Free memory was 100.2 MB in the beginning and 96.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:31,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.53 ms. Allocated memory is still 130.0 MB. Free memory was 96.8 MB in the beginning and 92.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:31,669 INFO L168 Benchmark]: Boogie Preprocessor took 65.46 ms. Allocated memory is still 130.0 MB. Free memory was 92.6 MB in the beginning and 89.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:31,670 INFO L168 Benchmark]: RCFGBuilder took 1153.52 ms. Allocated memory is still 130.0 MB. Free memory was 89.8 MB in the beginning and 60.0 MB in the end (delta: 29.8 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:31,670 INFO L168 Benchmark]: TraceAbstraction took 15012.54 ms. Allocated memory was 130.0 MB in the beginning and 272.6 MB in the end (delta: 142.6 MB). Free memory was 59.3 MB in the beginning and 216.5 MB in the end (delta: -157.2 MB). Peak memory consumption was 120.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:31,671 INFO L168 Benchmark]: Witness Printer took 179.22 ms. Allocated memory is still 272.6 MB. Free memory was 216.5 MB in the beginning and 203.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:31,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 83.9 MB. Free memory was 42.4 MB in the beginning and 42.4 MB in the end (delta: 41.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 621.55 ms. Allocated memory is still 130.0 MB. Free memory was 100.2 MB in the beginning and 96.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.53 ms. Allocated memory is still 130.0 MB. Free memory was 96.8 MB in the beginning and 92.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.46 ms. Allocated memory is still 130.0 MB. Free memory was 92.6 MB in the beginning and 89.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1153.52 ms. Allocated memory is still 130.0 MB. Free memory was 89.8 MB in the beginning and 60.0 MB in the end (delta: 29.8 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15012.54 ms. Allocated memory was 130.0 MB in the beginning and 272.6 MB in the end (delta: 142.6 MB). Free memory was 59.3 MB in the beginning and 216.5 MB in the end (delta: -157.2 MB). Peak memory consumption was 120.0 MB. Max. memory is 16.1 GB. * Witness Printer took 179.22 ms. Allocated memory is still 272.6 MB. Free memory was 216.5 MB in the beginning and 203.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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: 789]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && !(tmp___0 == 0)) && methaneLevelCritical == 1) && !(\result == 0)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((((((tmp == 1 && !(tmp___0 == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && methaneLevelCritical == 1) && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == 1 && tmp___0 == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 142 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.8s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1701 SDtfs, 2201 SDslu, 2659 SDs, 0 SdLazy, 377 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 206 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1601 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 189 NumberOfFragments, 1180 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3341990 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 56 FomulaSimplificationsInter, 773773 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 821 NumberOfCodeBlocks, 821 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 98025 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1044 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 246/290 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...