./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/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 b67757251629fd1bffeb4ee115ae4af5ebdd6873 ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:55,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:55,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:55,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:55,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:55,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:55,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:55,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:55,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:55,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:55,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:55,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:55,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:55,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:55,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:55,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:55,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:55,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:55,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:55,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:55,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:55,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:55,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:55,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:55,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:55,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:55,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:55,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:55,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:55,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:55,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:55,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:55,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:55,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:55,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:55,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:55,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:55,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:55,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:55,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:55,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:55,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:55,409 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:55,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:55,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:55,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:55,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:55,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:55,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:55,416 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:55,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:55,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:55,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:55,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:55,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:55,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:55,419 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:55,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:55,420 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:55,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:55,420 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:55,421 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:55,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:55,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:55,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:55,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:55,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:55,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:55,423 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:55,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:55,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:55,426 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_d8896c7c-8025-467a-806f-fd33c28a37cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b67757251629fd1bffeb4ee115ae4af5ebdd6873 [2020-11-28 04:44:55,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:55,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:55,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:55,729 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:55,736 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:55,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-11-28 04:44:55,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/data/22fbc3c9a/36e1ae800f074a119618b93c486ae329/FLAG71c9ef4e7 [2020-11-28 04:44:56,412 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:56,414 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-11-28 04:44:56,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/data/22fbc3c9a/36e1ae800f074a119618b93c486ae329/FLAG71c9ef4e7 [2020-11-28 04:44:56,673 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/data/22fbc3c9a/36e1ae800f074a119618b93c486ae329 [2020-11-28 04:44:56,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:56,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:56,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:56,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:56,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:56,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:56" (1/1) ... [2020-11-28 04:44:56,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239d307f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:56, skipping insertion in model container [2020-11-28 04:44:56,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:56" (1/1) ... [2020-11-28 04:44:56,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:56,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:57,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:57,063 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:57,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:57,207 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:57,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:57 WrapperNode [2020-11-28 04:44:57,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:57,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:57,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:57,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:57,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:57" (1/1) ... [2020-11-28 04:44:57,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:57" (1/1) ... [2020-11-28 04:44:57,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:57,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:57,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:57,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:57,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:57" (1/1) ... [2020-11-28 04:44:57,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:57" (1/1) ... [2020-11-28 04:44:57,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:57" (1/1) ... [2020-11-28 04:44:57,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:57" (1/1) ... [2020-11-28 04:44:57,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:57" (1/1) ... [2020-11-28 04:44:57,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:57" (1/1) ... [2020-11-28 04:44:57,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:57" (1/1) ... [2020-11-28 04:44:57,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:57,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:57,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:57,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:57,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:44:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:44:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:44:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:44:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:44:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:44:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:44:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:44:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:44:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:44:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:44:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:44:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:58,899 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:58,900 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 04:44:58,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:58 BoogieIcfgContainer [2020-11-28 04:44:58,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:58,903 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:58,903 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:58,916 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:58,916 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:58" (1/1) ... [2020-11-28 04:44:58,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:59,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-11-28 04:44:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-11-28 04:44:59,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:44:59,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:59,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-28 04:44:59,294 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-28 04:44:59,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:44:59,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-11-28 04:44:59,467 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-11-28 04:44:59,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:44:59,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-11-28 04:44:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-28 04:44:59,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:44:59,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:01,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:01,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2020-11-28 04:45:01,077 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2020-11-28 04:45:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:45:01,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:02,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 145 transitions. [2020-11-28 04:45:02,665 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 145 transitions. [2020-11-28 04:45:02,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:45:02,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 90 states and 147 transitions. [2020-11-28 04:45:02,858 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 147 transitions. [2020-11-28 04:45:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:45:02,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 163 transitions. [2020-11-28 04:45:03,131 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 163 transitions. [2020-11-28 04:45:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:45:03,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 165 transitions. [2020-11-28 04:45:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 165 transitions. [2020-11-28 04:45:03,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:45:03,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:03,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 105 states and 172 transitions. [2020-11-28 04:45:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 172 transitions. [2020-11-28 04:45:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:45:03,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:45:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 173 transitions. [2020-11-28 04:45:03,445 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 173 transitions. [2020-11-28 04:45:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:45:03,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:45:03,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 183 transitions. [2020-11-28 04:45:03,698 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2020-11-28 04:45:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:45:03,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:45:03,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 112 states and 185 transitions. [2020-11-28 04:45:03,929 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 185 transitions. [2020-11-28 04:45:03,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:45:03,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:04,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:45:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 115 states and 192 transitions. [2020-11-28 04:45:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 192 transitions. [2020-11-28 04:45:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:45:05,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:45:05,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:05,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 123 states and 206 transitions. [2020-11-28 04:45:05,807 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 206 transitions. [2020-11-28 04:45:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:45:05,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:06,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 128 states and 216 transitions. [2020-11-28 04:45:06,029 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 216 transitions. [2020-11-28 04:45:06,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:45:06,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:06,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:06,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 217 transitions. [2020-11-28 04:45:06,080 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 217 transitions. [2020-11-28 04:45:06,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:45:06,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:06,113 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 132 states and 224 transitions. [2020-11-28 04:45:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 224 transitions. [2020-11-28 04:45:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:45:06,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:45:08,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:08,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 145 states and 248 transitions. [2020-11-28 04:45:08,635 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 248 transitions. [2020-11-28 04:45:08,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:45:08,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:45:09,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 151 states and 263 transitions. [2020-11-28 04:45:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 263 transitions. [2020-11-28 04:45:09,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:45:09,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:45:11,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 158 states and 274 transitions. [2020-11-28 04:45:11,020 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 274 transitions. [2020-11-28 04:45:11,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:45:11,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 04:45:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:11,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 161 states and 279 transitions. [2020-11-28 04:45:11,087 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 279 transitions. [2020-11-28 04:45:11,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:45:11,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:11,165 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:45:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 162 states and 280 transitions. [2020-11-28 04:45:11,196 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 280 transitions. [2020-11-28 04:45:11,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:45:11,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-28 04:45:11,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:11,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 163 states and 281 transitions. [2020-11-28 04:45:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 281 transitions. [2020-11-28 04:45:11,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-28 04:45:11,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:11,350 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 04:45:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:11,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 55 states and 66 transitions. [2020-11-28 04:45:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-11-28 04:45:11,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:45:11,370 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-11-28 04:45:11,379 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:45:11,748 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:11,752 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:45:11,758 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:11,760 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:11,760 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:45:11,764 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:11,764 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:11,764 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:11,764 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:11,765 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:11,765 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:11,765 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:45:11,768 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:11,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:45:11 ImpRootNode [2020-11-28 04:45:11,769 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:45:11,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:45:11,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:45:11,770 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:45:11,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:58" (3/4) ... [2020-11-28 04:45:11,781 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:45:11,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:45:11,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:45:11,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:45:11,795 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:45:11,796 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:45:11,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:45:11,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-28 04:45:11,807 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 04:45:11,808 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:45:11,808 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:45:11,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:45:11,810 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:45:11,811 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:45:11,837 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-28 04:45:11,898 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d8896c7c-8025-467a-806f-fd33c28a37cf/bin/ukojak/witness.graphml [2020-11-28 04:45:11,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:45:11,901 INFO L168 Benchmark]: Toolchain (without parser) took 15220.14 ms. Allocated memory was 100.7 MB in the beginning and 270.5 MB in the end (delta: 169.9 MB). Free memory was 70.9 MB in the beginning and 136.2 MB in the end (delta: -65.3 MB). Peak memory consumption was 103.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:11,902 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory was 59.0 MB in the beginning and 58.9 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:11,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.13 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 70.5 MB in the beginning and 115.2 MB in the end (delta: -44.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:11,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.36 ms. Allocated memory is still 148.9 MB. Free memory was 115.2 MB in the beginning and 113.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:11,905 INFO L168 Benchmark]: Boogie Preprocessor took 63.09 ms. Allocated memory is still 148.9 MB. Free memory was 113.1 MB in the beginning and 110.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:11,906 INFO L168 Benchmark]: RCFGBuilder took 1560.40 ms. Allocated memory is still 148.9 MB. Free memory was 110.3 MB in the beginning and 43.9 MB in the end (delta: 66.4 MB). Peak memory consumption was 67.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:11,906 INFO L168 Benchmark]: CodeCheck took 12866.09 ms. Allocated memory was 148.9 MB in the beginning and 270.5 MB in the end (delta: 121.6 MB). Free memory was 43.9 MB in the beginning and 141.5 MB in the end (delta: -97.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:11,907 INFO L168 Benchmark]: Witness Printer took 129.93 ms. Allocated memory is still 270.5 MB. Free memory was 141.5 MB in the beginning and 136.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:11,909 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, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.3s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 378846228 SDtfs, 144085476 SDslu, 291527972 SDs, 0 SdLazy, 312569108 SolverSat, 104747500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8838 GetRequests, 8651 SyntacticMatches, 3 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13637 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 905 NumberOfCodeBlocks, 905 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 881 ConstructedInterpolants, 0 QuantifiedInterpolants, 73020 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 19 PerfectInterpolantSequences, 288/311 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: 558]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory was 59.0 MB in the beginning and 58.9 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 524.13 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 70.5 MB in the beginning and 115.2 MB in the end (delta: -44.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.36 ms. Allocated memory is still 148.9 MB. Free memory was 115.2 MB in the beginning and 113.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.09 ms. Allocated memory is still 148.9 MB. Free memory was 113.1 MB in the beginning and 110.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1560.40 ms. Allocated memory is still 148.9 MB. Free memory was 110.3 MB in the beginning and 43.9 MB in the end (delta: 66.4 MB). Peak memory consumption was 67.1 MB. Max. memory is 16.1 GB. * CodeCheck took 12866.09 ms. Allocated memory was 148.9 MB in the beginning and 270.5 MB in the end (delta: 121.6 MB). Free memory was 43.9 MB in the beginning and 141.5 MB in the end (delta: -97.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * Witness Printer took 129.93 ms. Allocated memory is still 270.5 MB. Free memory was 141.5 MB in the beginning and 136.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...