./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.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_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b38310287d90f8069af2c9350481a8126041a79 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:36:02,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:36:02,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:36:02,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:36:02,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:36:02,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:36:02,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:36:02,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:36:02,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:36:02,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:36:02,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:36:02,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:36:02,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:36:02,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:36:02,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:36:02,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:36:02,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:36:02,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:36:02,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:36:02,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:36:02,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:36:02,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:36:02,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:36:02,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:36:02,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:36:02,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:36:02,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:36:02,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:36:02,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:36:02,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:36:02,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:36:02,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:36:02,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:36:02,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:36:02,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:36:02,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:36:02,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:36:02,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:36:02,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:36:02,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:36:02,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:36:02,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:36:02,317 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:36:02,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:36:02,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:36:02,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:36:02,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:36:02,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:36:02,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:36:02,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:36:02,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:36:02,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:36:02,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:36:02,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:36:02,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:36:02,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:36:02,324 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:36:02,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:36:02,324 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:36:02,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:36:02,324 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:36:02,325 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:36:02,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:36:02,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:36:02,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:36:02,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:36:02,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:36:02,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:36:02,326 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:36:02,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:36:02,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:36:02,329 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_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b38310287d90f8069af2c9350481a8126041a79 [2020-11-29 21:36:02,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:36:02,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:36:02,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:36:02,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:36:02,735 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:36:02,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-11-29 21:36:02,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/data/01f92d710/e1dd6ad078e04f92a29d6cac417578cb/FLAG60f50f9cd [2020-11-29 21:36:03,560 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:36:03,560 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-11-29 21:36:03,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/data/01f92d710/e1dd6ad078e04f92a29d6cac417578cb/FLAG60f50f9cd [2020-11-29 21:36:03,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/data/01f92d710/e1dd6ad078e04f92a29d6cac417578cb [2020-11-29 21:36:03,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:36:03,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:36:03,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:36:03,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:36:03,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:36:03,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:36:03" (1/1) ... [2020-11-29 21:36:03,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2255a158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:03, skipping insertion in model container [2020-11-29 21:36:03,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:36:03" (1/1) ... [2020-11-29 21:36:03,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:36:03,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:36:04,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:36:04,219 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:36:04,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:36:04,368 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:36:04,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:04 WrapperNode [2020-11-29 21:36:04,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:36:04,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:36:04,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:36:04,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:36:04,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:04" (1/1) ... [2020-11-29 21:36:04,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:04" (1/1) ... [2020-11-29 21:36:04,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:36:04,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:36:04,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:36:04,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:36:04,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:04" (1/1) ... [2020-11-29 21:36:04,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:04" (1/1) ... [2020-11-29 21:36:04,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:04" (1/1) ... [2020-11-29 21:36:04,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:04" (1/1) ... [2020-11-29 21:36:04,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:04" (1/1) ... [2020-11-29 21:36:04,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:04" (1/1) ... [2020-11-29 21:36:04,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:04" (1/1) ... [2020-11-29 21:36:04,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:36:04,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:36:04,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:36:04,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:36:04,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-11-29 21:36:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:36:04,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 21:36:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 21:36:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 21:36:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 21:36:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 21:36:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 21:36:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 21:36:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 21:36:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 21:36:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 21:36:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:36:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 21:36:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 21:36:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:36:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:36:06,250 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:36:06,250 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-29 21:36:06,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:36:06 BoogieIcfgContainer [2020-11-29 21:36:06,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:36:06,254 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:36:06,254 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:36:06,269 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:36:06,270 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:36:06" (1/1) ... [2020-11-29 21:36:06,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:36:06,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2020-11-29 21:36:06,351 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2020-11-29 21:36:06,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 21:36:06,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2020-11-29 21:36:06,690 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2020-11-29 21:36:06,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 21:36:06,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:06,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2020-11-29 21:36:06,939 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2020-11-29 21:36:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 21:36:06,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:07,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:07,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2020-11-29 21:36:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-11-29 21:36:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 21:36:07,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:07,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:07,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2020-11-29 21:36:07,817 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2020-11-29 21:36:07,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 21:36:07,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:07,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:07,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2020-11-29 21:36:07,929 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2020-11-29 21:36:07,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 21:36:07,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:07,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:07,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2020-11-29 21:36:07,991 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2020-11-29 21:36:07,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 21:36:07,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:09,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2020-11-29 21:36:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2020-11-29 21:36:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 21:36:09,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:10,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 88 states and 144 transitions. [2020-11-29 21:36:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 144 transitions. [2020-11-29 21:36:10,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 21:36:10,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:10,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 90 states and 145 transitions. [2020-11-29 21:36:10,233 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 145 transitions. [2020-11-29 21:36:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 21:36:10,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:10,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:10,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 146 transitions. [2020-11-29 21:36:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 146 transitions. [2020-11-29 21:36:10,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 21:36:10,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:10,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 164 transitions. [2020-11-29 21:36:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 164 transitions. [2020-11-29 21:36:10,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 21:36:10,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 165 transitions. [2020-11-29 21:36:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2020-11-29 21:36:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 21:36:11,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:11,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:11,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 107 states and 178 transitions. [2020-11-29 21:36:11,269 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 178 transitions. [2020-11-29 21:36:11,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 21:36:11,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:11,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 179 transitions. [2020-11-29 21:36:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2020-11-29 21:36:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 21:36:11,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:11,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 109 states and 182 transitions. [2020-11-29 21:36:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 182 transitions. [2020-11-29 21:36:11,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 21:36:11,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:11,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 110 states and 185 transitions. [2020-11-29 21:36:11,768 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 185 transitions. [2020-11-29 21:36:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 21:36:11,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 192 transitions. [2020-11-29 21:36:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 192 transitions. [2020-11-29 21:36:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 21:36:12,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:12,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 199 transitions. [2020-11-29 21:36:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 199 transitions. [2020-11-29 21:36:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 21:36:12,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 119 states and 201 transitions. [2020-11-29 21:36:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 201 transitions. [2020-11-29 21:36:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 21:36:12,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:36:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:13,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 131 states and 234 transitions. [2020-11-29 21:36:13,901 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 234 transitions. [2020-11-29 21:36:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 21:36:13,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:16,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:16,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 139 states and 252 transitions. [2020-11-29 21:36:16,518 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 252 transitions. [2020-11-29 21:36:16,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 21:36:16,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:36:16,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 140 states and 253 transitions. [2020-11-29 21:36:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 253 transitions. [2020-11-29 21:36:16,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 21:36:16,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:36:16,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 141 states and 254 transitions. [2020-11-29 21:36:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 254 transitions. [2020-11-29 21:36:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 21:36:16,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:36:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:17,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 144 states and 257 transitions. [2020-11-29 21:36:17,657 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2020-11-29 21:36:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 21:36:17,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 21:36:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:18,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 258 transitions. [2020-11-29 21:36:18,522 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 258 transitions. [2020-11-29 21:36:18,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:36:18,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 21:36:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:18,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 255 transitions. [2020-11-29 21:36:18,960 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 255 transitions. [2020-11-29 21:36:18,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 21:36:18,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:19,005 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-29 21:36:19,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 264 transitions. [2020-11-29 21:36:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 264 transitions. [2020-11-29 21:36:19,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:36:19,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-29 21:36:19,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:19,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 154 states and 264 transitions. [2020-11-29 21:36:19,100 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 264 transitions. [2020-11-29 21:36:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 21:36:19,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-29 21:36:19,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 155 states and 265 transitions. [2020-11-29 21:36:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 265 transitions. [2020-11-29 21:36:19,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 21:36:19,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-29 21:36:19,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:19,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 66 states and 93 transitions. [2020-11-29 21:36:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-11-29 21:36:19,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:36:19,247 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2020-11-29 21:36:19,257 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 21:36:19,493 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:19,496 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:19,497 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:19,497 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:19,497 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-11-29 21:36:19,503 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:19,503 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:19,503 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-29 21:36:19,504 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:19,504 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:19,505 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 21:36:19,506 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:19,506 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:19,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:36:19 ImpRootNode [2020-11-29 21:36:19,507 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:36:19,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:36:19,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:36:19,508 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:36:19,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:36:06" (3/4) ... [2020-11-29 21:36:19,512 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:36:19,518 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 21:36:19,519 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 21:36:19,519 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 21:36:19,519 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 21:36:19,519 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 21:36:19,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 21:36:19,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2020-11-29 21:36:19,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 21:36:19,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 21:36:19,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 21:36:19,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 21:36:19,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:36:19,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:36:19,562 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2020-11-29 21:36:19,562 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) [2020-11-29 21:36:19,614 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a601eb19-a565-4576-81f1-8e76682cffad/bin/ukojak/witness.graphml [2020-11-29 21:36:19,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:36:19,617 INFO L168 Benchmark]: Toolchain (without parser) took 15774.61 ms. Allocated memory was 96.5 MB in the beginning and 211.8 MB in the end (delta: 115.3 MB). Free memory was 61.8 MB in the beginning and 117.5 MB in the end (delta: -55.6 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:19,618 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory was 55.3 MB in the beginning and 55.2 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:36:19,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.54 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 41.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:19,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.97 ms. Allocated memory is still 96.5 MB. Free memory was 41.2 MB in the beginning and 38.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:19,620 INFO L168 Benchmark]: Boogie Preprocessor took 76.76 ms. Allocated memory is still 96.5 MB. Free memory was 38.8 MB in the beginning and 73.9 MB in the end (delta: -35.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:19,620 INFO L168 Benchmark]: RCFGBuilder took 1699.01 ms. Allocated memory is still 96.5 MB. Free memory was 73.9 MB in the beginning and 48.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:19,621 INFO L168 Benchmark]: CodeCheck took 13252.61 ms. Allocated memory was 96.5 MB in the beginning and 211.8 MB in the end (delta: 115.3 MB). Free memory was 48.7 MB in the beginning and 122.7 MB in the end (delta: -74.0 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:19,621 INFO L168 Benchmark]: Witness Printer took 107.92 ms. Allocated memory is still 211.8 MB. Free memory was 122.7 MB in the beginning and 117.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:19,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 31, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -560249140 SDtfs, 767517532 SDslu, 589376652 SDs, 0 SdLazy, 152680796 SolverSat, -939450708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8855 GetRequests, 8659 SyntacticMatches, 30 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11231 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 909 NumberOfCodeBlocks, 909 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 879 ConstructedInterpolants, 0 QuantifiedInterpolants, 68904 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 226/249 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 1 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory was 55.3 MB in the beginning and 55.2 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 534.54 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 41.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.97 ms. Allocated memory is still 96.5 MB. Free memory was 41.2 MB in the beginning and 38.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.76 ms. Allocated memory is still 96.5 MB. Free memory was 38.8 MB in the beginning and 73.9 MB in the end (delta: -35.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1699.01 ms. Allocated memory is still 96.5 MB. Free memory was 73.9 MB in the beginning and 48.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * CodeCheck took 13252.61 ms. Allocated memory was 96.5 MB in the beginning and 211.8 MB in the end (delta: 115.3 MB). Free memory was 48.7 MB in the beginning and 122.7 MB in the end (delta: -74.0 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.1 GB. * Witness Printer took 107.92 ms. Allocated memory is still 211.8 MB. Free memory was 122.7 MB in the beginning and 117.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...