./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_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_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/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 ac889cd5e65bb2f47f07806422e2c45f6310f706 ............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:06:48,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:06:48,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:06:48,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:06:48,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:06:48,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:06:48,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:06:48,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:06:48,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:06:48,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:06:48,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:06:48,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:06:48,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:06:48,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:06:48,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:06:48,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:06:48,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:06:48,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:06:48,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:06:48,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:06:48,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:06:48,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:06:48,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:06:48,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:06:48,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:06:48,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:06:48,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:06:48,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:06:48,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:06:48,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:06:48,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:06:48,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:06:48,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:06:48,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:06:48,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:06:48,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:06:48,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:06:48,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:06:48,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:06:48,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:06:48,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:06:48,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:06:48,408 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:06:48,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:06:48,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:06:48,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:06:48,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:06:48,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:06:48,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:06:48,414 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:06:48,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:06:48,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:06:48,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:06:48,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:06:48,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:06:48,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:06:48,416 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:06:48,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:06:48,417 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:06:48,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:06:48,418 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:06:48,418 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:06:48,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:06:48,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:06:48,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:06:48,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:06:48,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:06:48,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:06:48,421 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:06:48,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:06:48,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:06:48,423 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_628d7138-292c-45c6-befd-dcf281697924/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac889cd5e65bb2f47f07806422e2c45f6310f706 [2020-12-01 18:06:48,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:06:48,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:06:48,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:06:48,868 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:06:48,869 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:06:48,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2020-12-01 18:06:48,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak/data/baba54428/20d39a2bb84e4d9d9a69f8fb4534b800/FLAG0bca9b958 [2020-12-01 18:06:49,888 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:06:49,889 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2020-12-01 18:06:49,908 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak/data/baba54428/20d39a2bb84e4d9d9a69f8fb4534b800/FLAG0bca9b958 [2020-12-01 18:06:50,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak/data/baba54428/20d39a2bb84e4d9d9a69f8fb4534b800 [2020-12-01 18:06:50,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:06:50,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:06:50,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:06:50,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:06:50,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:06:50,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:06:50" (1/1) ... [2020-12-01 18:06:50,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3184ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:50, skipping insertion in model container [2020-12-01 18:06:50,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:06:50" (1/1) ... [2020-12-01 18:06:50,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:06:50,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:06:50,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:06:50,856 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:06:51,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:06:51,070 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:06:51,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:51 WrapperNode [2020-12-01 18:06:51,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:06:51,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:06:51,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:06:51,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:06:51,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:51" (1/1) ... [2020-12-01 18:06:51,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:51" (1/1) ... [2020-12-01 18:06:51,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:06:51,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:06:51,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:06:51,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:06:51,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:51" (1/1) ... [2020-12-01 18:06:51,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:51" (1/1) ... [2020-12-01 18:06:51,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:51" (1/1) ... [2020-12-01 18:06:51,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:51" (1/1) ... [2020-12-01 18:06:51,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:51" (1/1) ... [2020-12-01 18:06:51,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:51" (1/1) ... [2020-12-01 18:06:51,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:51" (1/1) ... [2020-12-01 18:06:51,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:06:51,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:06:51,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:06:51,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:06:51,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:06:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/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 18:06:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:06:51,429 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:06:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:06:51,429 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:06:51,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:06:51,429 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 18:06:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 18:06:51,430 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:06:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:06:51,430 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:06:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:06:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 18:06:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 18:06:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:06:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:06:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:06:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:06:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:06:53,365 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:06:53,365 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 18:06:53,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:53 BoogieIcfgContainer [2020-12-01 18:06:53,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:06:53,370 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:06:53,371 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:06:53,388 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:06:53,388 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:53" (1/1) ... [2020-12-01 18:06:53,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:06:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:53,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2020-12-01 18:06:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2020-12-01 18:06:53,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:06:53,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:53,968 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 18:06:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:53,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2020-12-01 18:06:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2020-12-01 18:06:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:06:53,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:54,191 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 18:06:54,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:54,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2020-12-01 18:06:54,225 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-12-01 18:06:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:06:54,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:54,466 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 18:06:54,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2020-12-01 18:06:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2020-12-01 18:06:54,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:06:54,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:55,163 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 18:06:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 79 states and 117 transitions. [2020-12-01 18:06:55,944 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 117 transitions. [2020-12-01 18:06:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:06:55,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:56,095 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 18:06:56,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2020-12-01 18:06:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2020-12-01 18:06:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:06:56,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:56,493 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 18:06:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 101 states and 167 transitions. [2020-12-01 18:06:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2020-12-01 18:06:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:06:58,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:58,183 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 18:06:58,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 175 transitions. [2020-12-01 18:06:58,491 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2020-12-01 18:06:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:06:58,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:58,635 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 18:06:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:58,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 177 transitions. [2020-12-01 18:06:58,869 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2020-12-01 18:06:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:06:58,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:06:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 109 states and 178 transitions. [2020-12-01 18:06:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 178 transitions. [2020-12-01 18:06:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:06:59,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:06:59,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:06:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 114 states and 188 transitions. [2020-12-01 18:06:59,334 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 188 transitions. [2020-12-01 18:06:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:06:59,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:06:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:06:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:07:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 196 transitions. [2020-12-01 18:07:00,793 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2020-12-01 18:07:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:07:00,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:00,851 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:07:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:01,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 211 transitions. [2020-12-01 18:07:01,877 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2020-12-01 18:07:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:07:01,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:01,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:07:02,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:02,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 130 states and 221 transitions. [2020-12-01 18:07:02,158 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 221 transitions. [2020-12-01 18:07:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:07:02,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:07:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:02,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 222 transitions. [2020-12-01 18:07:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2020-12-01 18:07:02,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:07:02,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:02,362 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:07:02,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:02,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 134 states and 229 transitions. [2020-12-01 18:07:02,706 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 229 transitions. [2020-12-01 18:07:02,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:07:02,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:07:05,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 147 states and 256 transitions. [2020-12-01 18:07:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 256 transitions. [2020-12-01 18:07:05,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:07:05,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 18:07:06,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 153 states and 272 transitions. [2020-12-01 18:07:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 272 transitions. [2020-12-01 18:07:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:07:07,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 18:07:07,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 155 states and 273 transitions. [2020-12-01 18:07:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 273 transitions. [2020-12-01 18:07:07,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 18:07:07,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:07:08,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 162 states and 285 transitions. [2020-12-01 18:07:08,716 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 285 transitions. [2020-12-01 18:07:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 18:07:08,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 18:07:09,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:09,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 163 states and 287 transitions. [2020-12-01 18:07:09,027 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 287 transitions. [2020-12-01 18:07:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:07:09,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 18:07:09,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 166 states and 292 transitions. [2020-12-01 18:07:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 292 transitions. [2020-12-01 18:07:09,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:07:09,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:07:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 167 states and 293 transitions. [2020-12-01 18:07:09,285 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2020-12-01 18:07:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 18:07:09,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 18:07:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 168 states and 294 transitions. [2020-12-01 18:07:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 294 transitions. [2020-12-01 18:07:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 18:07:09,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:07:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:07:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 18:07:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:07:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 55 states and 66 transitions. [2020-12-01 18:07:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-12-01 18:07:09,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:07:09,529 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-12-01 18:07:09,543 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:07:09,956 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:09,963 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 18:07:09,981 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:09,982 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:09,982 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:09,983 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:09,983 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 18:07:09,984 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:09,985 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:09,985 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:09,985 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 18:07:09,987 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:07:09,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:07:09 ImpRootNode [2020-12-01 18:07:09,988 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:07:09,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:07:09,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:07:09,990 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:07:09,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:06:53" (3/4) ... [2020-12-01 18:07:09,997 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:07:10,006 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 18:07:10,006 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 18:07:10,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 18:07:10,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 18:07:10,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 18:07:10,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:07:10,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 18:07:10,020 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-12-01 18:07:10,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 18:07:10,022 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:07:10,023 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 18:07:10,024 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:07:10,025 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:07:10,026 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:07:10,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-12-01 18:07:10,149 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_628d7138-292c-45c6-befd-dcf281697924/bin/ukojak/witness.graphml [2020-12-01 18:07:10,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:07:10,152 INFO L168 Benchmark]: Toolchain (without parser) took 20007.62 ms. Allocated memory was 94.4 MB in the beginning and 262.1 MB in the end (delta: 167.8 MB). Free memory was 64.2 MB in the beginning and 108.1 MB in the end (delta: -44.0 MB). Peak memory consumption was 125.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:10,153 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 77.6 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:07:10,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 925.35 ms. Allocated memory is still 94.4 MB. Free memory was 63.8 MB in the beginning and 43.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:10,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.26 ms. Allocated memory is still 94.4 MB. Free memory was 43.6 MB in the beginning and 72.7 MB in the end (delta: -29.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:10,155 INFO L168 Benchmark]: Boogie Preprocessor took 88.18 ms. Allocated memory is still 94.4 MB. Free memory was 72.7 MB in the beginning and 71.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:10,156 INFO L168 Benchmark]: RCFGBuilder took 2050.35 ms. Allocated memory is still 94.4 MB. Free memory was 70.7 MB in the beginning and 71.0 MB in the end (delta: -362.3 kB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:10,157 INFO L168 Benchmark]: CodeCheck took 16617.96 ms. Allocated memory was 94.4 MB in the beginning and 262.1 MB in the end (delta: 167.8 MB). Free memory was 71.0 MB in the beginning and 113.4 MB in the end (delta: -42.4 MB). Peak memory consumption was 123.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:10,158 INFO L168 Benchmark]: Witness Printer took 160.53 ms. Allocated memory is still 262.1 MB. Free memory was 113.4 MB in the beginning and 108.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:07:10,162 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 8 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.0s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 409136660 SDtfs, 144392868 SDslu, 271170180 SDs, 0 SdLazy, 304163412 SolverSat, 102711308 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9887 GetRequests, 9702 SyntacticMatches, 3 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13173 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1007 NumberOfCodeBlocks, 1007 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 983 ConstructedInterpolants, 0 QuantifiedInterpolants, 88946 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 17 PerfectInterpolantSequences, 329/358 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: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 77.6 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 925.35 ms. Allocated memory is still 94.4 MB. Free memory was 63.8 MB in the beginning and 43.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 142.26 ms. Allocated memory is still 94.4 MB. Free memory was 43.6 MB in the beginning and 72.7 MB in the end (delta: -29.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.18 ms. Allocated memory is still 94.4 MB. Free memory was 72.7 MB in the beginning and 71.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2050.35 ms. Allocated memory is still 94.4 MB. Free memory was 70.7 MB in the beginning and 71.0 MB in the end (delta: -362.3 kB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. * CodeCheck took 16617.96 ms. Allocated memory was 94.4 MB in the beginning and 262.1 MB in the end (delta: 167.8 MB). Free memory was 71.0 MB in the beginning and 113.4 MB in the end (delta: -42.4 MB). Peak memory consumption was 123.9 MB. Max. memory is 16.1 GB. * Witness Printer took 160.53 ms. Allocated memory is still 262.1 MB. Free memory was 113.4 MB in the beginning and 108.1 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...