./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/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 0.2.0-69874e2 [2020-12-01 18:27:54,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:27:54,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:27:54,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:27:54,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:27:54,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:27:54,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:27:54,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:27:54,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:27:54,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:27:54,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:27:54,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:27:54,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:27:54,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:27:54,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:27:54,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:27:54,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:27:54,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:27:54,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:27:54,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:27:54,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:27:54,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:27:54,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:27:54,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:27:54,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:27:54,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:27:54,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:27:54,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:27:54,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:27:54,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:27:54,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:27:54,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:27:54,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:27:54,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:27:54,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:27:54,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:27:54,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:27:54,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:27:54,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:27:54,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:27:54,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:27:54,704 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:27:54,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:27:54,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:27:54,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:27:54,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:27:54,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:27:54,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:27:54,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:27:54,763 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:27:54,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:27:54,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:27:54,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:27:54,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:27:54,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:27:54,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:27:54,767 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:27:54,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:27:54,768 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:27:54,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:27:54,768 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:27:54,769 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:27:54,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:27:54,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:27:54,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:27:54,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:27:54,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:27:54,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:27:54,771 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:27:54,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:27:54,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:27:54,774 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_278bdcc1-0014-4ca8-9775-23730ff5f238/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b586d6027b93241761f1d47a4909c4b4135d36 [2020-12-01 18:27:55,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:27:55,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:27:55,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:27:55,146 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:27:55,147 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:27:55,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-12-01 18:27:55,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak/data/1f8ef9d5a/430bd902667445f5b14770342cf60905/FLAGeb739fc50 [2020-12-01 18:27:56,106 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:27:56,107 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-12-01 18:27:56,132 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak/data/1f8ef9d5a/430bd902667445f5b14770342cf60905/FLAGeb739fc50 [2020-12-01 18:27:56,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak/data/1f8ef9d5a/430bd902667445f5b14770342cf60905 [2020-12-01 18:27:56,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:27:56,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:27:56,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:27:56,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:27:56,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:27:56,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:27:56" (1/1) ... [2020-12-01 18:27:56,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee93724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:56, skipping insertion in model container [2020-12-01 18:27:56,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:27:56" (1/1) ... [2020-12-01 18:27:56,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:27:56,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:27:56,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:27:56,894 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:27:57,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:27:57,063 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:27:57,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:57 WrapperNode [2020-12-01 18:27:57,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:27:57,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:27:57,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:27:57,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:27:57,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:57" (1/1) ... [2020-12-01 18:27:57,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:57" (1/1) ... [2020-12-01 18:27:57,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:27:57,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:27:57,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:27:57,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:27:57,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:57" (1/1) ... [2020-12-01 18:27:57,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:57" (1/1) ... [2020-12-01 18:27:57,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:57" (1/1) ... [2020-12-01 18:27:57,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:57" (1/1) ... [2020-12-01 18:27:57,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:57" (1/1) ... [2020-12-01 18:27:57,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:57" (1/1) ... [2020-12-01 18:27:57,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:57" (1/1) ... [2020-12-01 18:27:57,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:27:57,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:27:57,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:27:57,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:27:57,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:27:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/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 [2020-12-01 18:27:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:27:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:27:57,256 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:27:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:27:57,257 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:27:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:27:57,257 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:27:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:27:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:27:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 18:27:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 18:27:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:27:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:27:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:27:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:27:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:27:59,192 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:27:59,193 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 18:27:59,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:27:59 BoogieIcfgContainer [2020-12-01 18:27:59,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:27:59,197 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:27:59,197 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:27:59,235 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:27:59,235 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:27:59" (1/1) ... [2020-12-01 18:27:59,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:27:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2020-12-01 18:27:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2020-12-01 18:27:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:27:59,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:27:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2020-12-01 18:27:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2020-12-01 18:27:59,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:27:59,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:27:59,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:59,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-12-01 18:27:59,791 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-12-01 18:27:59,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:27:59,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:00,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 57 states and 78 transitions. [2020-12-01 18:28:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2020-12-01 18:28:00,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:28:00,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 70 states and 107 transitions. [2020-12-01 18:28:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 107 transitions. [2020-12-01 18:28:01,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:28:01,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2020-12-01 18:28:01,497 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2020-12-01 18:28:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:28:01,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:02,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 86 states and 144 transitions. [2020-12-01 18:28:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 144 transitions. [2020-12-01 18:28:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:28:02,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 91 states and 153 transitions. [2020-12-01 18:28:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2020-12-01 18:28:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:28:03,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:03,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 154 transitions. [2020-12-01 18:28:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2020-12-01 18:28:03,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:28:03,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:28:03,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:03,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 99 states and 171 transitions. [2020-12-01 18:28:03,776 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 171 transitions. [2020-12-01 18:28:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:28:03,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:28:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:03,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 102 states and 178 transitions. [2020-12-01 18:28:03,869 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2020-12-01 18:28:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:28:03,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:28:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 180 transitions. [2020-12-01 18:28:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2020-12-01 18:28:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:28:03,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:04,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:28:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 106 states and 183 transitions. [2020-12-01 18:28:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 183 transitions. [2020-12-01 18:28:04,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:28:04,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:28:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 185 transitions. [2020-12-01 18:28:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2020-12-01 18:28:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:28:04,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:04,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 113 states and 199 transitions. [2020-12-01 18:28:04,432 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2020-12-01 18:28:04,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:28:04,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 114 states and 200 transitions. [2020-12-01 18:28:04,524 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 200 transitions. [2020-12-01 18:28:04,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:28:04,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:28:05,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 118 states and 216 transitions. [2020-12-01 18:28:05,581 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 216 transitions. [2020-12-01 18:28:05,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:28:05,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:28:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 120 states and 220 transitions. [2020-12-01 18:28:06,037 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 220 transitions. [2020-12-01 18:28:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 18:28:06,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:06,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:08,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 125 states and 238 transitions. [2020-12-01 18:28:08,399 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 238 transitions. [2020-12-01 18:28:08,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 18:28:08,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:08,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:28:08,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:08,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 127 states and 243 transitions. [2020-12-01 18:28:08,993 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 243 transitions. [2020-12-01 18:28:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:28:08,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:28:09,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:09,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 127 states and 242 transitions. [2020-12-01 18:28:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 242 transitions. [2020-12-01 18:28:09,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:28:09,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:09,661 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:28:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 128 states and 241 transitions. [2020-12-01 18:28:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 241 transitions. [2020-12-01 18:28:10,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:28:10,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:28:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:10,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 129 states and 243 transitions. [2020-12-01 18:28:10,700 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 243 transitions. [2020-12-01 18:28:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:28:10,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:10,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:28:11,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 131 states and 246 transitions. [2020-12-01 18:28:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 246 transitions. [2020-12-01 18:28:11,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:28:11,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:28:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:28:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 18:28:11,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:28:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 44 states and 60 transitions. [2020-12-01 18:28:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-12-01 18:28:11,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:28:11,266 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-12-01 18:28:11,273 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:28:11,583 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:11,589 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:11,589 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:11,589 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:11,589 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:11,590 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:11,590 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-12-01 18:28:11,595 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:11,596 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 18:28:11,599 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:11,599 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:11,599 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:11,599 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:11,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:28:11 ImpRootNode [2020-12-01 18:28:11,600 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:28:11,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:28:11,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:28:11,601 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:28:11,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:27:59" (3/4) ... [2020-12-01 18:28:11,613 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:28:11,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 18:28:11,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 18:28:11,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 18:28:11,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 18:28:11,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:28:11,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 18:28:11,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-12-01 18:28:11,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 18:28:11,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:28:11,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 18:28:11,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:28:11,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:28:11,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:28:11,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || 0 == systemActive [2020-12-01 18:28:11,749 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_278bdcc1-0014-4ca8-9775-23730ff5f238/bin/ukojak/witness.graphml [2020-12-01 18:28:11,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:28:11,751 INFO L168 Benchmark]: Toolchain (without parser) took 15425.01 ms. Allocated memory was 92.3 MB in the beginning and 218.1 MB in the end (delta: 125.8 MB). Free memory was 61.8 MB in the beginning and 86.8 MB in the end (delta: -25.0 MB). Peak memory consumption was 100.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:11,752 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 92.3 MB. Free memory was 52.1 MB in the beginning and 52.1 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:28:11,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.08 ms. Allocated memory is still 92.3 MB. Free memory was 61.5 MB in the beginning and 60.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:11,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.78 ms. Allocated memory is still 92.3 MB. Free memory was 60.0 MB in the beginning and 57.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:11,754 INFO L168 Benchmark]: Boogie Preprocessor took 39.63 ms. Allocated memory is still 92.3 MB. Free memory was 57.6 MB in the beginning and 56.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:11,755 INFO L168 Benchmark]: RCFGBuilder took 2024.61 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 56.0 MB in the beginning and 52.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:11,755 INFO L168 Benchmark]: CodeCheck took 12403.33 ms. Allocated memory was 117.4 MB in the beginning and 218.1 MB in the end (delta: 100.7 MB). Free memory was 51.9 MB in the beginning and 91.0 MB in the end (delta: -39.1 MB). Peak memory consumption was 64.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:11,756 INFO L168 Benchmark]: Witness Printer took 148.64 ms. Allocated memory is still 218.1 MB. Free memory was 91.0 MB in the beginning and 86.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:11,758 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: 11.9s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 317155200 SDtfs, 137599536 SDslu, 253265464 SDs, 0 SdLazy, 272255280 SolverSat, 87175952 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7499 GetRequests, 7284 SyntacticMatches, 37 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14791 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 699 NumberOfCodeBlocks, 699 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 675 ConstructedInterpolants, 0 QuantifiedInterpolants, 55213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 19 PerfectInterpolantSequences, 154/176 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 0.40 ms. Allocated memory is still 92.3 MB. Free memory was 52.1 MB in the beginning and 52.1 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 737.08 ms. Allocated memory is still 92.3 MB. Free memory was 61.5 MB in the beginning and 60.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.78 ms. Allocated memory is still 92.3 MB. Free memory was 60.0 MB in the beginning and 57.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.63 ms. Allocated memory is still 92.3 MB. Free memory was 57.6 MB in the beginning and 56.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2024.61 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 56.0 MB in the beginning and 52.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * CodeCheck took 12403.33 ms. Allocated memory was 117.4 MB in the beginning and 218.1 MB in the end (delta: 100.7 MB). Free memory was 51.9 MB in the beginning and 91.0 MB in the end (delta: -39.1 MB). Peak memory consumption was 64.7 MB. Max. memory is 16.1 GB. * Witness Printer took 148.64 ms. Allocated memory is still 218.1 MB. Free memory was 91.0 MB in the beginning and 86.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...