./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.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_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/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 66b586d6027b93241761f1d47a4909c4b4135d36 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:42:00,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:00,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:00,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:00,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:00,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:00,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:00,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:00,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:00,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:00,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:00,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:00,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:00,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:00,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:00,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:00,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:00,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:00,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:00,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:00,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:00,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:00,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:00,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:00,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:00,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:00,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:00,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:00,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:00,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:00,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:00,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:00,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:00,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:00,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:00,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:00,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:00,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:00,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:00,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:00,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:00,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:42:00,218 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:00,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:00,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:00,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:00,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:00,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:00,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:00,220 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:42:00,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:00,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:42:00,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:00,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:00,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:00,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:00,222 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:42:00,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:00,222 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:00,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:00,223 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:00,223 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:00,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:00,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:00,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:00,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:00,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:00,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:00,225 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:00,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:00,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:00,225 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_6243786f-96f2-4348-ae36-581cd677bbab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b586d6027b93241761f1d47a4909c4b4135d36 [2020-11-28 04:42:00,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:00,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:00,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:00,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:00,502 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:00,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-11-28 04:42:00,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak/data/543283b83/73d5a4457d13407fb687d000dcfdf571/FLAG99060adc7 [2020-11-28 04:42:01,117 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:01,118 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-11-28 04:42:01,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak/data/543283b83/73d5a4457d13407fb687d000dcfdf571/FLAG99060adc7 [2020-11-28 04:42:01,437 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak/data/543283b83/73d5a4457d13407fb687d000dcfdf571 [2020-11-28 04:42:01,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:01,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:01,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:01,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:01,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:01,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5febbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01, skipping insertion in model container [2020-11-28 04:42:01,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:01,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:01,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:01,786 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:01,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:01,886 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:01,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01 WrapperNode [2020-11-28 04:42:01,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:01,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:01,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:01,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:01,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:01,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:01,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:01,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:01,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01" (1/1) ... [2020-11-28 04:42:01,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:01,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:01,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:01,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:01,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/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 [2020-11-28 04:42:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:42:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:42:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:42:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:42:02,061 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:42:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:42:02,061 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:42:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:42:02,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:42:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:42:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:42:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:42:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:42:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:42:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:42:03,622 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:42:03,622 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-28 04:42:03,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:03 BoogieIcfgContainer [2020-11-28 04:42:03,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:42:03,625 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:42:03,625 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:42:03,637 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:42:03,638 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:03" (1/1) ... [2020-11-28 04:42:03,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:42:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:03,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2020-11-28 04:42:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2020-11-28 04:42:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:42:03,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:03,963 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 04:42:03,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:03,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2020-11-28 04:42:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2020-11-28 04:42:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:42:03,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:04,196 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 04:42:04,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:04,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-28 04:42:04,225 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-28 04:42:04,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:42:04,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:04,363 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 04:42:04,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:04,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 57 states and 78 transitions. [2020-11-28 04:42:04,662 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2020-11-28 04:42:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:04,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:04,781 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 04:42:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 70 states and 107 transitions. [2020-11-28 04:42:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 107 transitions. [2020-11-28 04:42:05,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:05,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:05,427 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 04:42:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2020-11-28 04:42:05,450 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2020-11-28 04:42:05,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:42:05,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:05,561 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 04:42:06,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 86 states and 144 transitions. [2020-11-28 04:42:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 144 transitions. [2020-11-28 04:42:06,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:42:06,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:06,800 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 04:42:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:07,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 90 states and 153 transitions. [2020-11-28 04:42:07,023 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 153 transitions. [2020-11-28 04:42:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:42:07,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:07,061 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 04:42:07,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 154 transitions. [2020-11-28 04:42:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2020-11-28 04:42:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:42:07,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 99 states and 171 transitions. [2020-11-28 04:42:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 171 transitions. [2020-11-28 04:42:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:42:07,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:07,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:07,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 102 states and 178 transitions. [2020-11-28 04:42:07,724 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2020-11-28 04:42:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:42:07,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:07,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:07,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 180 transitions. [2020-11-28 04:42:07,822 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2020-11-28 04:42:07,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:42:07,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:07,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:07,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 106 states and 183 transitions. [2020-11-28 04:42:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 183 transitions. [2020-11-28 04:42:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:42:07,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:08,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:08,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 107 states and 185 transitions. [2020-11-28 04:42:08,081 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 185 transitions. [2020-11-28 04:42:08,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:42:08,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:08,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 112 states and 199 transitions. [2020-11-28 04:42:08,247 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 199 transitions. [2020-11-28 04:42:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:42:08,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:08,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 113 states and 199 transitions. [2020-11-28 04:42:08,312 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2020-11-28 04:42:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:42:08,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:08,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 114 states and 200 transitions. [2020-11-28 04:42:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 200 transitions. [2020-11-28 04:42:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:42:08,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:42:09,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 118 states and 216 transitions. [2020-11-28 04:42:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 216 transitions. [2020-11-28 04:42:09,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:42:09,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:42:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 120 states and 220 transitions. [2020-11-28 04:42:09,886 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 220 transitions. [2020-11-28 04:42:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:42:09,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:12,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 125 states and 237 transitions. [2020-11-28 04:42:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 237 transitions. [2020-11-28 04:42:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:42:12,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:12,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 127 states and 243 transitions. [2020-11-28 04:42:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 243 transitions. [2020-11-28 04:42:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:42:12,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:42:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 127 states and 242 transitions. [2020-11-28 04:42:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 242 transitions. [2020-11-28 04:42:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:42:13,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:13,548 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:14,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:14,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 128 states and 241 transitions. [2020-11-28 04:42:14,121 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 241 transitions. [2020-11-28 04:42:14,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:42:14,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:42:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 129 states and 243 transitions. [2020-11-28 04:42:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 243 transitions. [2020-11-28 04:42:14,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:42:14,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:42:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:15,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 131 states and 246 transitions. [2020-11-28 04:42:15,014 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 246 transitions. [2020-11-28 04:42:15,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:42:15,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-28 04:42:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:15,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 44 states and 60 transitions. [2020-11-28 04:42:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-11-28 04:42:15,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:42:15,071 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2020-11-28 04:42:15,078 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:42:15,444 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:15,448 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:15,449 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:15,449 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:15,450 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:15,450 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:15,450 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-11-28 04:42:15,455 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:15,456 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:42:15,458 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:15,458 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:15,459 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:15,459 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:15,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:15 ImpRootNode [2020-11-28 04:42:15,460 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:15,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:15,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:15,462 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:15,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:03" (3/4) ... [2020-11-28 04:42:15,478 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:42:15,487 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:42:15,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:42:15,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:42:15,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:42:15,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:42:15,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-28 04:42:15,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-28 04:42:15,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 04:42:15,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:42:15,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:42:15,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:42:15,508 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:15,508 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:15,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || 0 == systemActive [2020-11-28 04:42:15,620 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6243786f-96f2-4348-ae36-581cd677bbab/bin/ukojak/witness.graphml [2020-11-28 04:42:15,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:15,622 INFO L168 Benchmark]: Toolchain (without parser) took 14178.22 ms. Allocated memory was 117.4 MB in the beginning and 249.6 MB in the end (delta: 132.1 MB). Free memory was 95.7 MB in the beginning and 148.6 MB in the end (delta: -52.9 MB). Peak memory consumption was 79.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:15,623 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 55.6 MB in the beginning and 55.5 MB in the end (delta: 72.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:15,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.71 ms. Allocated memory is still 117.4 MB. Free memory was 95.7 MB in the beginning and 83.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:15,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.76 ms. Allocated memory is still 117.4 MB. Free memory was 83.9 MB in the beginning and 81.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:15,625 INFO L168 Benchmark]: Boogie Preprocessor took 30.87 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 79.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:15,626 INFO L168 Benchmark]: RCFGBuilder took 1637.11 ms. Allocated memory is still 117.4 MB. Free memory was 79.7 MB in the beginning and 61.5 MB in the end (delta: 18.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:15,626 INFO L168 Benchmark]: CodeCheck took 11835.46 ms. Allocated memory was 117.4 MB in the beginning and 249.6 MB in the end (delta: 132.1 MB). Free memory was 61.5 MB in the beginning and 153.9 MB in the end (delta: -92.3 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:15,627 INFO L168 Benchmark]: Witness Printer took 158.94 ms. Allocated memory is still 249.6 MB. Free memory was 153.9 MB in the beginning and 148.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:15,629 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, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 634304384 SDtfs, 274651696 SDslu, 505982520 SDs, 0 SdLazy, 543393904 SolverSat, 173263568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7874 GetRequests, 7658 SyntacticMatches, 38 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14820 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 735 NumberOfCodeBlocks, 735 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 710 ConstructedInterpolants, 0 QuantifiedInterpolants, 57142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 20 PerfectInterpolantSequences, 160/182 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: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 55.6 MB in the beginning and 55.5 MB in the end (delta: 72.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 441.71 ms. Allocated memory is still 117.4 MB. Free memory was 95.7 MB in the beginning and 83.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.76 ms. Allocated memory is still 117.4 MB. Free memory was 83.9 MB in the beginning and 81.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.87 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 79.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1637.11 ms. Allocated memory is still 117.4 MB. Free memory was 79.7 MB in the beginning and 61.5 MB in the end (delta: 18.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. * CodeCheck took 11835.46 ms. Allocated memory was 117.4 MB in the beginning and 249.6 MB in the end (delta: 132.1 MB). Free memory was 61.5 MB in the beginning and 153.9 MB in the end (delta: -92.3 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. * Witness Printer took 158.94 ms. Allocated memory is still 249.6 MB. Free memory was 153.9 MB in the beginning and 148.6 MB in the end (delta: 5.2 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...