./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.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_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/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 a9be1523a6442e0af65427f45826a4bf64f55b34 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:57:13,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:57:13,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:57:13,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:57:13,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:57:13,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:57:13,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:57:13,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:57:13,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:57:13,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:57:13,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:57:13,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:57:13,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:57:13,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:57:13,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:57:13,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:57:13,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:57:13,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:57:13,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:57:13,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:57:13,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:57:13,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:57:13,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:57:13,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:57:13,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:57:13,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:57:13,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:57:13,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:57:13,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:57:13,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:57:13,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:57:13,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:57:13,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:57:13,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:57:13,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:57:13,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:57:13,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:57:13,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:57:13,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:57:13,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:57:13,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:57:13,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:57:13,209 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:57:13,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:57:13,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:57:13,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:57:13,211 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:57:13,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:57:13,211 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:57:13,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:57:13,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:57:13,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:57:13,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:57:13,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:57:13,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:57:13,213 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:57:13,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:57:13,213 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:57:13,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:57:13,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:57:13,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:57:13,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:57:13,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:57:13,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:57:13,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:57:13,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:57:13,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:57:13,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:57:13,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:57:13,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:57:13,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:57:13,216 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_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9be1523a6442e0af65427f45826a4bf64f55b34 [2020-11-28 02:57:13,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:57:13,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:57:13,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:57:13,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:57:13,484 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:57:13,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2020-11-28 02:57:13,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/data/c4cdeb3f7/f6161f53a3bc48419eff4845f90ba92e/FLAG07d794112 [2020-11-28 02:57:14,077 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:57:14,077 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2020-11-28 02:57:14,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/data/c4cdeb3f7/f6161f53a3bc48419eff4845f90ba92e/FLAG07d794112 [2020-11-28 02:57:14,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/data/c4cdeb3f7/f6161f53a3bc48419eff4845f90ba92e [2020-11-28 02:57:14,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:57:14,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:57:14,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:14,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:57:14,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:57:14,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:14,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ac0425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14, skipping insertion in model container [2020-11-28 02:57:14,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:14,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:57:14,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:57:14,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:14,826 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:57:14,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:14,936 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:57:14,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14 WrapperNode [2020-11-28 02:57:14,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:14,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:14,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:57:14,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:57:14,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:14,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:15,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:57:15,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:57:15,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:57:15,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... [2020-11-28 02:57:15,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:57:15,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:57:15,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:57:15,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:57:15,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:57:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:57:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:57:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:57:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:57:16,187 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:57:16,187 INFO L298 CfgBuilder]: Removed 170 assume(true) statements. [2020-11-28 02:57:16,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:16 BoogieIcfgContainer [2020-11-28 02:57:16,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:57:16,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:57:16,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:57:16,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:57:16,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:14" (1/3) ... [2020-11-28 02:57:16,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793eb49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:16, skipping insertion in model container [2020-11-28 02:57:16,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:14" (2/3) ... [2020-11-28 02:57:16,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793eb49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:16, skipping insertion in model container [2020-11-28 02:57:16,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:16" (3/3) ... [2020-11-28 02:57:16,202 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-11-28 02:57:16,213 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:57:16,218 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:57:16,230 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:57:16,272 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:57:16,272 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:57:16,272 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:57:16,272 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:57:16,272 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:57:16,273 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:57:16,273 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:57:16,274 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:57:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-11-28 02:57:16,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:57:16,309 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:16,310 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 02:57:16,311 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:16,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:16,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1047113476, now seen corresponding path program 1 times [2020-11-28 02:57:16,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:16,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545694262] [2020-11-28 02:57:16,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:16,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:16,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545694262] [2020-11-28 02:57:16,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:16,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:16,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243149936] [2020-11-28 02:57:16,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:57:16,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:16,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:57:16,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:57:16,650 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-11-28 02:57:16,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:16,710 INFO L93 Difference]: Finished difference Result 230 states and 351 transitions. [2020-11-28 02:57:16,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:57:16,711 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 02:57:16,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:16,726 INFO L225 Difference]: With dead ends: 230 [2020-11-28 02:57:16,726 INFO L226 Difference]: Without dead ends: 113 [2020-11-28 02:57:16,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:57:16,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-11-28 02:57:16,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-11-28 02:57:16,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-11-28 02:57:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2020-11-28 02:57:16,792 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2020-11-28 02:57:16,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:16,792 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2020-11-28 02:57:16,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:57:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2020-11-28 02:57:16,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 02:57:16,797 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:16,797 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 02:57:16,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:57:16,798 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:16,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:16,801 INFO L82 PathProgramCache]: Analyzing trace with hash 828277507, now seen corresponding path program 1 times [2020-11-28 02:57:16,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:16,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124759707] [2020-11-28 02:57:16,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:16,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124759707] [2020-11-28 02:57:16,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:16,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:16,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699606191] [2020-11-28 02:57:16,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:16,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:16,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:16,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:16,985 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2020-11-28 02:57:16,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:17,002 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2020-11-28 02:57:17,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:17,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 02:57:17,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:17,005 INFO L225 Difference]: With dead ends: 113 [2020-11-28 02:57:17,006 INFO L226 Difference]: Without dead ends: 49 [2020-11-28 02:57:17,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:17,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-28 02:57:17,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-28 02:57:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-28 02:57:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-28 02:57:17,017 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-11-28 02:57:17,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:17,018 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-28 02:57:17,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:17,019 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-28 02:57:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:57:17,020 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:17,021 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 02:57:17,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:57:17,022 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:17,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:17,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1368517952, now seen corresponding path program 1 times [2020-11-28 02:57:17,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:17,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485334963] [2020-11-28 02:57:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:17,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485334963] [2020-11-28 02:57:17,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:17,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:57:17,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353508486] [2020-11-28 02:57:17,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:17,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:17,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:17,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:17,176 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2020-11-28 02:57:17,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:17,265 INFO L93 Difference]: Finished difference Result 115 states and 171 transitions. [2020-11-28 02:57:17,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:57:17,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 02:57:17,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:17,267 INFO L225 Difference]: With dead ends: 115 [2020-11-28 02:57:17,268 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 02:57:17,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:57:17,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 02:57:17,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-11-28 02:57:17,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-28 02:57:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2020-11-28 02:57:17,277 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 24 [2020-11-28 02:57:17,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:17,278 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2020-11-28 02:57:17,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:17,278 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2020-11-28 02:57:17,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 02:57:17,279 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:17,280 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 02:57:17,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:57:17,280 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:17,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:17,281 INFO L82 PathProgramCache]: Analyzing trace with hash 418729815, now seen corresponding path program 1 times [2020-11-28 02:57:17,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:17,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431949929] [2020-11-28 02:57:17,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:17,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431949929] [2020-11-28 02:57:17,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:17,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:17,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372634365] [2020-11-28 02:57:17,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:17,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:17,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:17,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:17,367 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand 3 states. [2020-11-28 02:57:17,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:17,439 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2020-11-28 02:57:17,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:17,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 02:57:17,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:17,441 INFO L225 Difference]: With dead ends: 153 [2020-11-28 02:57:17,441 INFO L226 Difference]: Without dead ends: 91 [2020-11-28 02:57:17,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:17,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-11-28 02:57:17,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2020-11-28 02:57:17,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-11-28 02:57:17,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2020-11-28 02:57:17,451 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 26 [2020-11-28 02:57:17,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:17,452 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2020-11-28 02:57:17,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:17,452 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2020-11-28 02:57:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 02:57:17,453 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:17,454 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] [2020-11-28 02:57:17,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:57:17,454 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:17,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:17,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1090172169, now seen corresponding path program 1 times [2020-11-28 02:57:17,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:17,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110431848] [2020-11-28 02:57:17,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:17,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110431848] [2020-11-28 02:57:17,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:17,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:17,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052291199] [2020-11-28 02:57:17,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:17,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:17,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:17,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:17,572 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand 5 states. [2020-11-28 02:57:17,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:17,676 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2020-11-28 02:57:17,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:57:17,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-28 02:57:17,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:17,678 INFO L225 Difference]: With dead ends: 420 [2020-11-28 02:57:17,678 INFO L226 Difference]: Without dead ends: 338 [2020-11-28 02:57:17,679 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 02:57:17,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-11-28 02:57:17,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 160. [2020-11-28 02:57:17,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-11-28 02:57:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 227 transitions. [2020-11-28 02:57:17,698 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 227 transitions. Word has length 27 [2020-11-28 02:57:17,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:17,699 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 227 transitions. [2020-11-28 02:57:17,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:17,699 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2020-11-28 02:57:17,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 02:57:17,700 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:17,700 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:17,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:57:17,701 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:17,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:17,701 INFO L82 PathProgramCache]: Analyzing trace with hash -343972991, now seen corresponding path program 1 times [2020-11-28 02:57:17,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:17,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381639052] [2020-11-28 02:57:17,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:17,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381639052] [2020-11-28 02:57:17,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:17,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:17,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801578420] [2020-11-28 02:57:17,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:17,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:17,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:17,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:17,770 INFO L87 Difference]: Start difference. First operand 160 states and 227 transitions. Second operand 5 states. [2020-11-28 02:57:17,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:17,921 INFO L93 Difference]: Finished difference Result 589 states and 841 transitions. [2020-11-28 02:57:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:57:17,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-28 02:57:17,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:17,924 INFO L225 Difference]: With dead ends: 589 [2020-11-28 02:57:17,924 INFO L226 Difference]: Without dead ends: 436 [2020-11-28 02:57:17,926 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 02:57:17,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-11-28 02:57:17,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 158. [2020-11-28 02:57:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-11-28 02:57:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions. [2020-11-28 02:57:17,955 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 28 [2020-11-28 02:57:17,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:17,958 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions. [2020-11-28 02:57:17,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:17,959 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2020-11-28 02:57:17,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 02:57:17,967 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:17,967 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 02:57:17,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:57:17,968 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:17,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:17,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1676975922, now seen corresponding path program 1 times [2020-11-28 02:57:17,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:17,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745005863] [2020-11-28 02:57:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:18,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745005863] [2020-11-28 02:57:18,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:18,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:57:18,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947113612] [2020-11-28 02:57:18,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:18,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:18,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:18,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:18,026 INFO L87 Difference]: Start difference. First operand 158 states and 221 transitions. Second operand 5 states. [2020-11-28 02:57:18,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:18,125 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2020-11-28 02:57:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:57:18,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 02:57:18,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:18,128 INFO L225 Difference]: With dead ends: 471 [2020-11-28 02:57:18,128 INFO L226 Difference]: Without dead ends: 320 [2020-11-28 02:57:18,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:57:18,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-11-28 02:57:18,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 170. [2020-11-28 02:57:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-11-28 02:57:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2020-11-28 02:57:18,155 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 33 [2020-11-28 02:57:18,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:18,156 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2020-11-28 02:57:18,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2020-11-28 02:57:18,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 02:57:18,158 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:18,158 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 02:57:18,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:57:18,158 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:18,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:18,159 INFO L82 PathProgramCache]: Analyzing trace with hash -975911344, now seen corresponding path program 1 times [2020-11-28 02:57:18,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:18,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966407336] [2020-11-28 02:57:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:18,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966407336] [2020-11-28 02:57:18,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:18,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:57:18,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211921740] [2020-11-28 02:57:18,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:57:18,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:18,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:57:18,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:57:18,251 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand 6 states. [2020-11-28 02:57:18,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:18,372 INFO L93 Difference]: Finished difference Result 505 states and 687 transitions. [2020-11-28 02:57:18,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:57:18,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-28 02:57:18,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:18,379 INFO L225 Difference]: With dead ends: 505 [2020-11-28 02:57:18,379 INFO L226 Difference]: Without dead ends: 342 [2020-11-28 02:57:18,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-28 02:57:18,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-28 02:57:18,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 178. [2020-11-28 02:57:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-11-28 02:57:18,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 241 transitions. [2020-11-28 02:57:18,402 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 241 transitions. Word has length 33 [2020-11-28 02:57:18,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:18,403 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 241 transitions. [2020-11-28 02:57:18,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:57:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2020-11-28 02:57:18,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 02:57:18,404 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:18,404 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 02:57:18,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:57:18,405 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:18,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:18,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1562717358, now seen corresponding path program 1 times [2020-11-28 02:57:18,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:18,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340528603] [2020-11-28 02:57:18,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:18,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340528603] [2020-11-28 02:57:18,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:18,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:18,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871250299] [2020-11-28 02:57:18,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:18,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:18,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:18,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:18,496 INFO L87 Difference]: Start difference. First operand 178 states and 241 transitions. Second operand 3 states. [2020-11-28 02:57:18,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:18,545 INFO L93 Difference]: Finished difference Result 437 states and 591 transitions. [2020-11-28 02:57:18,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:18,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-28 02:57:18,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:18,547 INFO L225 Difference]: With dead ends: 437 [2020-11-28 02:57:18,548 INFO L226 Difference]: Without dead ends: 266 [2020-11-28 02:57:18,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:18,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-28 02:57:18,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-28 02:57:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-28 02:57:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 351 transitions. [2020-11-28 02:57:18,576 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 351 transitions. Word has length 33 [2020-11-28 02:57:18,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:18,576 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 351 transitions. [2020-11-28 02:57:18,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 351 transitions. [2020-11-28 02:57:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 02:57:18,578 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:18,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:18,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:57:18,579 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:18,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:18,580 INFO L82 PathProgramCache]: Analyzing trace with hash 331914770, now seen corresponding path program 1 times [2020-11-28 02:57:18,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:18,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044901101] [2020-11-28 02:57:18,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:18,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044901101] [2020-11-28 02:57:18,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:18,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:18,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017411045] [2020-11-28 02:57:18,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:18,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:18,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:18,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:18,670 INFO L87 Difference]: Start difference. First operand 266 states and 351 transitions. Second operand 3 states. [2020-11-28 02:57:18,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:18,735 INFO L93 Difference]: Finished difference Result 381 states and 504 transitions. [2020-11-28 02:57:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:18,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-28 02:57:18,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:18,741 INFO L225 Difference]: With dead ends: 381 [2020-11-28 02:57:18,741 INFO L226 Difference]: Without dead ends: 379 [2020-11-28 02:57:18,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:18,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-11-28 02:57:18,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 310. [2020-11-28 02:57:18,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-28 02:57:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 416 transitions. [2020-11-28 02:57:18,778 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 416 transitions. Word has length 34 [2020-11-28 02:57:18,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:18,779 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 416 transitions. [2020-11-28 02:57:18,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 416 transitions. [2020-11-28 02:57:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 02:57:18,781 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:18,781 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:18,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:57:18,782 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:18,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:18,784 INFO L82 PathProgramCache]: Analyzing trace with hash 217967519, now seen corresponding path program 1 times [2020-11-28 02:57:18,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:18,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266578402] [2020-11-28 02:57:18,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 02:57:18,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266578402] [2020-11-28 02:57:18,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:18,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:57:18,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049749708] [2020-11-28 02:57:18,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:57:18,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:18,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:57:18,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:57:18,895 INFO L87 Difference]: Start difference. First operand 310 states and 416 transitions. Second operand 6 states. [2020-11-28 02:57:19,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:19,248 INFO L93 Difference]: Finished difference Result 1038 states and 1406 transitions. [2020-11-28 02:57:19,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 02:57:19,249 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-11-28 02:57:19,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:19,255 INFO L225 Difference]: With dead ends: 1038 [2020-11-28 02:57:19,255 INFO L226 Difference]: Without dead ends: 735 [2020-11-28 02:57:19,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-11-28 02:57:19,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-11-28 02:57:19,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 287. [2020-11-28 02:57:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-11-28 02:57:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 377 transitions. [2020-11-28 02:57:19,308 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 377 transitions. Word has length 56 [2020-11-28 02:57:19,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:19,309 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 377 transitions. [2020-11-28 02:57:19,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:57:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 377 transitions. [2020-11-28 02:57:19,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 02:57:19,310 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:19,310 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2020-11-28 02:57:19,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 02:57:19,311 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:19,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:19,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1360990582, now seen corresponding path program 1 times [2020-11-28 02:57:19,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:19,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805590571] [2020-11-28 02:57:19,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:19,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805590571] [2020-11-28 02:57:19,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:19,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:57:19,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096004102] [2020-11-28 02:57:19,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:19,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:19,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:19,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:19,419 INFO L87 Difference]: Start difference. First operand 287 states and 377 transitions. Second operand 5 states. [2020-11-28 02:57:19,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:19,566 INFO L93 Difference]: Finished difference Result 467 states and 624 transitions. [2020-11-28 02:57:19,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:57:19,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-28 02:57:19,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:19,568 INFO L225 Difference]: With dead ends: 467 [2020-11-28 02:57:19,568 INFO L226 Difference]: Without dead ends: 275 [2020-11-28 02:57:19,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:57:19,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-11-28 02:57:19,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 271. [2020-11-28 02:57:19,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-11-28 02:57:19,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 347 transitions. [2020-11-28 02:57:19,601 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 347 transitions. Word has length 58 [2020-11-28 02:57:19,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:19,602 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 347 transitions. [2020-11-28 02:57:19,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:19,602 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 347 transitions. [2020-11-28 02:57:19,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 02:57:19,603 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:19,603 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2020-11-28 02:57:19,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 02:57:19,604 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:19,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:19,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1749913436, now seen corresponding path program 1 times [2020-11-28 02:57:19,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:19,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893961457] [2020-11-28 02:57:19,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 02:57:19,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893961457] [2020-11-28 02:57:19,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:19,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:19,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010309577] [2020-11-28 02:57:19,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:19,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:19,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:19,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:19,677 INFO L87 Difference]: Start difference. First operand 271 states and 347 transitions. Second operand 3 states. [2020-11-28 02:57:19,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:19,784 INFO L93 Difference]: Finished difference Result 527 states and 674 transitions. [2020-11-28 02:57:19,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:19,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-11-28 02:57:19,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:19,785 INFO L225 Difference]: With dead ends: 527 [2020-11-28 02:57:19,786 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:57:19,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:19,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:57:19,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:57:19,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:57:19,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:57:19,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-11-28 02:57:19,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:19,788 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:19,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:19,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:57:19,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:57:19,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 02:57:19,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:57:19,950 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 102 [2020-11-28 02:57:20,300 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 132 [2020-11-28 02:57:20,416 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 102 [2020-11-28 02:57:20,673 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 101 [2020-11-28 02:57:20,796 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 88 [2020-11-28 02:57:21,055 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 124 [2020-11-28 02:57:21,282 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 137 [2020-11-28 02:57:21,446 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 109 [2020-11-28 02:57:21,871 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 36 [2020-11-28 02:57:22,002 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2020-11-28 02:57:22,656 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 28 [2020-11-28 02:57:23,072 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 36 [2020-11-28 02:57:23,244 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2020-11-28 02:57:23,442 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-11-28 02:57:23,547 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2020-11-28 02:57:23,927 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2020-11-28 02:57:24,221 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2020-11-28 02:57:24,334 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-11-28 02:57:24,794 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2020-11-28 02:57:25,345 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 34 [2020-11-28 02:57:25,804 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 31 [2020-11-28 02:57:25,806 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:25,807 INFO L270 CegarLoopResult]: At program point L267(lines 266 285) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (not .cse8)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (not .cse2) .cse3 .cse4 .cse5 .cse6) (and (or (and .cse1 .cse3 .cse2 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse2 .cse5)) .cse8 .cse6) (and .cse3 .cse9 .cse4 .cse5 .cse6) (and .cse3 .cse9 .cse2 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse5 .cse7 .cse6)))) [2020-11-28 02:57:25,807 INFO L274 CegarLoopResult]: For program point L267-1(lines 267 273) no Hoare annotation was computed. [2020-11-28 02:57:25,807 INFO L270 CegarLoopResult]: At program point L267-2(lines 266 285) the Hoare annotation is: false [2020-11-28 02:57:25,807 INFO L270 CegarLoopResult]: At program point L267-3(lines 266 285) the Hoare annotation is: false [2020-11-28 02:57:25,807 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:57:25,807 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:57:25,807 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:57:25,807 INFO L270 CegarLoopResult]: At program point L895(lines 891 897) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~8 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 02:57:25,807 INFO L270 CegarLoopResult]: At program point L433(lines 418 436) the Hoare annotation is: false [2020-11-28 02:57:25,808 INFO L270 CegarLoopResult]: At program point L433-1(lines 418 436) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-11-28 02:57:25,808 INFO L270 CegarLoopResult]: At program point L433-2(lines 418 436) the Hoare annotation is: false [2020-11-28 02:57:25,808 INFO L270 CegarLoopResult]: At program point L433-3(lines 418 436) the Hoare annotation is: false [2020-11-28 02:57:25,808 INFO L270 CegarLoopResult]: At program point L433-4(lines 418 436) the Hoare annotation is: false [2020-11-28 02:57:25,808 INFO L270 CegarLoopResult]: At program point L433-5(lines 418 436) the Hoare annotation is: false [2020-11-28 02:57:25,808 INFO L274 CegarLoopResult]: For program point L236(lines 236 242) no Hoare annotation was computed. [2020-11-28 02:57:25,808 INFO L270 CegarLoopResult]: At program point L236-1(lines 267 273) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0))) (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (not .cse7)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse4 (not .cse10)) (.cse3 (= ULTIMATE.start_main_~tmp~8 1)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse7 .cse5 .cse8 .cse6) (and .cse3 .cse9 .cse10 .cse7 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse10 .cse7 .cse5 .cse6) (and .cse2 .cse3 .cse9 .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse4 .cse5 .cse8 .cse6) (and .cse3 .cse9 .cse7 .cse5 .cse8 .cse6)))) [2020-11-28 02:57:25,808 INFO L274 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-11-28 02:57:25,808 INFO L274 CegarLoopResult]: For program point L831-1(line 831) no Hoare annotation was computed. [2020-11-28 02:57:25,808 INFO L274 CegarLoopResult]: For program point L831-2(line 831) no Hoare annotation was computed. [2020-11-28 02:57:25,809 INFO L270 CegarLoopResult]: At program point L369(lines 362 372) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse2 .cse3 .cse4) (and .cse1 .cse0 (= ~methaneLevelCritical~0 0) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4))) [2020-11-28 02:57:25,809 INFO L270 CegarLoopResult]: At program point L369-1(lines 362 372) the Hoare annotation is: false [2020-11-28 02:57:25,809 INFO L274 CegarLoopResult]: For program point L303(lines 303 311) no Hoare annotation was computed. [2020-11-28 02:57:25,809 INFO L270 CegarLoopResult]: At program point L369-2(lines 362 372) the Hoare annotation is: false [2020-11-28 02:57:25,809 INFO L274 CegarLoopResult]: For program point L303-1(lines 303 311) no Hoare annotation was computed. [2020-11-28 02:57:25,809 INFO L274 CegarLoopResult]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2020-11-28 02:57:25,809 INFO L274 CegarLoopResult]: For program point L303-3(lines 303 311) no Hoare annotation was computed. [2020-11-28 02:57:25,809 INFO L274 CegarLoopResult]: For program point L303-4(lines 303 311) no Hoare annotation was computed. [2020-11-28 02:57:25,809 INFO L274 CegarLoopResult]: For program point L303-5(lines 303 311) no Hoare annotation was computed. [2020-11-28 02:57:25,809 INFO L277 CegarLoopResult]: At program point L931(lines 912 934) the Hoare annotation is: true [2020-11-28 02:57:25,810 INFO L274 CegarLoopResult]: For program point L173(lines 173 179) no Hoare annotation was computed. [2020-11-28 02:57:25,810 INFO L274 CegarLoopResult]: For program point L173-1(lines 173 179) no Hoare annotation was computed. [2020-11-28 02:57:25,810 INFO L274 CegarLoopResult]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2020-11-28 02:57:25,810 INFO L274 CegarLoopResult]: For program point L173-3(lines 173 179) no Hoare annotation was computed. [2020-11-28 02:57:25,812 INFO L274 CegarLoopResult]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2020-11-28 02:57:25,813 INFO L274 CegarLoopResult]: For program point L173-5(lines 173 179) no Hoare annotation was computed. [2020-11-28 02:57:25,813 INFO L270 CegarLoopResult]: At program point L966(lines 961 969) 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 02:57:25,813 INFO L274 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-11-28 02:57:25,813 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:25,813 INFO L270 CegarLoopResult]: At program point L274(lines 274 280) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4))) [2020-11-28 02:57:25,814 INFO L270 CegarLoopResult]: At program point L274-1(lines 274 280) the Hoare annotation is: false [2020-11-28 02:57:25,814 INFO L274 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-11-28 02:57:25,814 INFO L270 CegarLoopResult]: At program point L274-2(lines 274 280) the Hoare annotation is: false [2020-11-28 02:57:25,814 INFO L270 CegarLoopResult]: At program point L208-1(lines 208 214) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse0 (not .cse3) .cse10 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse2 .cse4 .cse5 .cse6 .cse7))) [2020-11-28 02:57:25,814 INFO L274 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-11-28 02:57:25,815 INFO L270 CegarLoopResult]: At program point L441-1(lines 441 447) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-11-28 02:57:25,815 INFO L270 CegarLoopResult]: At program point L178(lines 169 182) the Hoare annotation is: false [2020-11-28 02:57:25,815 INFO L270 CegarLoopResult]: At program point L178-1(lines 169 182) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-11-28 02:57:25,815 INFO L270 CegarLoopResult]: At program point L178-2(lines 169 182) the Hoare annotation is: false [2020-11-28 02:57:25,815 INFO L270 CegarLoopResult]: At program point L178-3(lines 169 182) the Hoare annotation is: false [2020-11-28 02:57:25,815 INFO L270 CegarLoopResult]: At program point L178-4(lines 169 182) the Hoare annotation is: false [2020-11-28 02:57:25,816 INFO L270 CegarLoopResult]: At program point L178-5(lines 169 182) the Hoare annotation is: false [2020-11-28 02:57:25,816 INFO L270 CegarLoopResult]: At program point L378(lines 373 381) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (not .cse3) .cse2 (not (= 0 ~systemActive~0)) .cse4 (= ~methAndRunningLastTime~0 0) .cse5))) [2020-11-28 02:57:25,817 INFO L270 CegarLoopResult]: At program point L378-1(lines 373 381) the Hoare annotation is: false [2020-11-28 02:57:25,817 INFO L270 CegarLoopResult]: At program point L378-2(lines 373 381) the Hoare annotation is: false [2020-11-28 02:57:25,817 INFO L270 CegarLoopResult]: At program point L248(lines 197 249) the Hoare annotation is: false [2020-11-28 02:57:25,818 INFO L270 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~8 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 02:57:25,818 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:57:25,818 INFO L274 CegarLoopResult]: For program point L218(lines 218 224) no Hoare annotation was computed. [2020-11-28 02:57:25,818 INFO L270 CegarLoopResult]: At program point L218-1(lines 218 224) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse1 (not .cse6)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse4 .cse7 .cse5) (and .cse1 .cse2 .cse8 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5) (and .cse2 .cse8 .cse6 .cse4 .cse7 .cse5)))) [2020-11-28 02:57:25,818 INFO L274 CegarLoopResult]: For program point L120(lines 120 124) no Hoare annotation was computed. [2020-11-28 02:57:25,818 INFO L270 CegarLoopResult]: At program point L847-2(lines 847 861) the Hoare annotation is: false [2020-11-28 02:57:25,819 INFO L274 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-11-28 02:57:25,819 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:57:25,819 INFO L274 CegarLoopResult]: For program point L851(lines 851 855) no Hoare annotation was computed. [2020-11-28 02:57:25,819 INFO L274 CegarLoopResult]: For program point L851-1(lines 267 273) no Hoare annotation was computed. [2020-11-28 02:57:25,819 INFO L274 CegarLoopResult]: For program point L325(lines 325 342) no Hoare annotation was computed. [2020-11-28 02:57:25,819 INFO L274 CegarLoopResult]: For program point L325-1(lines 325 342) no Hoare annotation was computed. [2020-11-28 02:57:25,819 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 342) no Hoare annotation was computed. [2020-11-28 02:57:25,820 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:57:25,820 INFO L274 CegarLoopResult]: For program point L62(lines 62 79) no Hoare annotation was computed. [2020-11-28 02:57:25,820 INFO L270 CegarLoopResult]: At program point L62-1(lines 1 969) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse0 (not .cse3) .cse10 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse2 .cse4 .cse5 .cse6 .cse7))) [2020-11-28 02:57:25,820 INFO L274 CegarLoopResult]: For program point L62-2(lines 62 79) no Hoare annotation was computed. [2020-11-28 02:57:25,820 INFO L270 CegarLoopResult]: At program point L62-3(lines 1 969) the Hoare annotation is: false [2020-11-28 02:57:25,820 INFO L274 CegarLoopResult]: For program point L62-4(lines 62 79) no Hoare annotation was computed. [2020-11-28 02:57:25,821 INFO L270 CegarLoopResult]: At program point L62-5(lines 1 969) the Hoare annotation is: false [2020-11-28 02:57:25,821 INFO L274 CegarLoopResult]: For program point L228(lines 228 243) no Hoare annotation was computed. [2020-11-28 02:57:25,821 INFO L274 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-11-28 02:57:25,821 INFO L274 CegarLoopResult]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2020-11-28 02:57:25,821 INFO L274 CegarLoopResult]: For program point L922(lines 922 929) no Hoare annotation was computed. [2020-11-28 02:57:25,821 INFO L274 CegarLoopResult]: For program point L96-6(lines 96 100) no Hoare annotation was computed. [2020-11-28 02:57:25,822 INFO L277 CegarLoopResult]: At program point L922-1(lines 922 929) the Hoare annotation is: true [2020-11-28 02:57:25,822 INFO L274 CegarLoopResult]: For program point L427(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,822 INFO L274 CegarLoopResult]: For program point L427-2(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,822 INFO L274 CegarLoopResult]: For program point L427-3(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,822 INFO L274 CegarLoopResult]: For program point L427-5(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,823 INFO L274 CegarLoopResult]: For program point L427-6(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,823 INFO L274 CegarLoopResult]: For program point L427-8(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,823 INFO L274 CegarLoopResult]: For program point L427-9(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,823 INFO L274 CegarLoopResult]: For program point L427-11(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,823 INFO L274 CegarLoopResult]: For program point L427-12(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,824 INFO L274 CegarLoopResult]: For program point L427-14(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,824 INFO L274 CegarLoopResult]: For program point L427-15(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,824 INFO L274 CegarLoopResult]: For program point L427-17(lines 427 431) no Hoare annotation was computed. [2020-11-28 02:57:25,824 INFO L274 CegarLoopResult]: For program point L329(lines 329 337) no Hoare annotation was computed. [2020-11-28 02:57:25,824 INFO L274 CegarLoopResult]: For program point L329-1(lines 329 337) no Hoare annotation was computed. [2020-11-28 02:57:25,824 INFO L274 CegarLoopResult]: For program point L329-2(lines 329 337) no Hoare annotation was computed. [2020-11-28 02:57:25,824 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:57:25,825 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:25,825 INFO L274 CegarLoopResult]: For program point L66(lines 66 76) no Hoare annotation was computed. [2020-11-28 02:57:25,826 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 76) no Hoare annotation was computed. [2020-11-28 02:57:25,826 INFO L270 CegarLoopResult]: At program point L958(lines 1 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 02:57:25,826 INFO L274 CegarLoopResult]: For program point L66-4(lines 66 76) no Hoare annotation was computed. [2020-11-28 02:57:25,828 INFO L274 CegarLoopResult]: For program point L199(lines 198 247) no Hoare annotation was computed. [2020-11-28 02:57:25,829 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse0 .cse2 .cse3 .cse4))) [2020-11-28 02:57:25,829 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse2 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse8 .cse4 .cse5))) [2020-11-28 02:57:25,829 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-11-28 02:57:25,829 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-11-28 02:57:25,829 INFO L270 CegarLoopResult]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2020-11-28 02:57:25,830 INFO L274 CegarLoopResult]: For program point L67-2(lines 67 73) no Hoare annotation was computed. [2020-11-28 02:57:25,830 INFO L270 CegarLoopResult]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2020-11-28 02:57:25,830 INFO L270 CegarLoopResult]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2020-11-28 02:57:25,830 INFO L274 CegarLoopResult]: For program point L67-4(lines 67 73) no Hoare annotation was computed. [2020-11-28 02:57:25,830 INFO L274 CegarLoopResult]: For program point L299(lines 299 316) no Hoare annotation was computed. [2020-11-28 02:57:25,830 INFO L274 CegarLoopResult]: For program point L299-1(lines 299 316) no Hoare annotation was computed. [2020-11-28 02:57:25,830 INFO L274 CegarLoopResult]: For program point L299-2(lines 299 316) no Hoare annotation was computed. [2020-11-28 02:57:25,831 INFO L274 CegarLoopResult]: For program point L200(lines 200 204) no Hoare annotation was computed. [2020-11-28 02:57:25,831 INFO L274 CegarLoopResult]: For program point L299-3(lines 299 316) no Hoare annotation was computed. [2020-11-28 02:57:25,831 INFO L274 CegarLoopResult]: For program point L299-4(lines 299 316) no Hoare annotation was computed. [2020-11-28 02:57:25,831 INFO L274 CegarLoopResult]: For program point L299-5(lines 299 316) no Hoare annotation was computed. [2020-11-28 02:57:25,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:25 BoogieIcfgContainer [2020-11-28 02:57:25,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:57:25,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:25,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:25,904 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:25,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:16" (3/4) ... [2020-11-28 02:57:25,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:57:25,940 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:57:25,942 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:57:25,943 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:57:25,944 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:57:25,945 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:57:25,947 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:25,948 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:25,977 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 02:57:25,977 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 02:57:25,978 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 02:57:25,978 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 02:57:25,979 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 02:57:25,980 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 02:57:25,982 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 02:57:25,982 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0)) && 0 == systemActive) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 02:57:25,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 02:57:25,983 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:57:25,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:57:25,986 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:57:25,990 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && \result == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:57:25,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:57:25,993 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-28 02:57:25,995 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((methaneLevelCritical == 1 && !(tmp == 0)) && tmp___0 == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 02:57:26,088 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8b6098cd-73c4-46ae-91a2-7cfaef2aa940/bin/uautomizer/witness.graphml [2020-11-28 02:57:26,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:26,090 INFO L168 Benchmark]: Toolchain (without parser) took 11698.78 ms. Allocated memory was 83.9 MB in the beginning and 218.1 MB in the end (delta: 134.2 MB). Free memory was 52.1 MB in the beginning and 124.8 MB in the end (delta: -72.7 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:26,090 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:26,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.48 ms. Allocated memory is still 83.9 MB. Free memory was 51.9 MB in the beginning and 51.4 MB in the end (delta: 425.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:26,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.99 ms. Allocated memory is still 83.9 MB. Free memory was 51.4 MB in the beginning and 47.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:26,092 INFO L168 Benchmark]: Boogie Preprocessor took 69.40 ms. Allocated memory is still 83.9 MB. Free memory was 47.6 MB in the beginning and 45.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:26,092 INFO L168 Benchmark]: RCFGBuilder took 1103.11 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 44.8 MB in the beginning and 65.4 MB in the end (delta: -20.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:26,093 INFO L168 Benchmark]: TraceAbstraction took 9708.41 ms. Allocated memory was 100.7 MB in the beginning and 218.1 MB in the end (delta: 117.4 MB). Free memory was 65.0 MB in the beginning and 135.3 MB in the end (delta: -70.3 MB). Peak memory consumption was 121.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:26,093 INFO L168 Benchmark]: Witness Printer took 185.84 ms. Allocated memory is still 218.1 MB. Free memory was 135.3 MB in the beginning and 124.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:26,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 544.48 ms. Allocated memory is still 83.9 MB. Free memory was 51.9 MB in the beginning and 51.4 MB in the end (delta: 425.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.99 ms. Allocated memory is still 83.9 MB. Free memory was 51.4 MB in the beginning and 47.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.40 ms. Allocated memory is still 83.9 MB. Free memory was 47.6 MB in the beginning and 45.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1103.11 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 44.8 MB in the beginning and 65.4 MB in the end (delta: -20.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9708.41 ms. Allocated memory was 100.7 MB in the beginning and 218.1 MB in the end (delta: 117.4 MB). Free memory was 65.0 MB in the beginning and 135.3 MB in the end (delta: -70.3 MB). Peak memory consumption was 121.7 MB. Max. memory is 16.1 GB. * Witness Printer took 185.84 ms. Allocated memory is still 218.1 MB. Free memory was 135.3 MB in the beginning and 124.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 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: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && \result == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((methaneLevelCritical == 1 && !(tmp == 0)) && tmp___0 == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0)) && 0 == systemActive) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1251 SDtfs, 1799 SDslu, 1854 SDs, 0 SdLazy, 248 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1297 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 152 NumberOfFragments, 1220 HoareAnnotationTreeSize, 45 FomulaSimplifications, 611577 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 49668 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 31140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 65/65 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...